Form 10-Q - Quarterly report [Sections 13 or 15(d)]

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2024

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from ____________________ to ____________________

Commission File Number: 001-40249

ThredUp Inc.

(Exact name of registrant as specified in its charter)


Delaware			26-4009181
(State or other jurisdiction of incorporation or organization)			(I.R.S. Employer Identification No.)

969 Broadway, Suite 200 Oakland, California			94607
(Address of principal executive offices)			(Zip Code)

(415) 402-5202

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Class A Common Stock, $0.0001 par value per share

TDUP

The Nasdaq Stock Market LLC

Long-Term Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.


Large accelerated filer	☐	Accelerated filer	☒
Non-accelerated filer	☐	Smaller reporting company	☒
		Emerging growth company	☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

There were 80,571,704 shares of Class A common stock and 29,684,496 shares of Class B common stock outstanding as of April 30, 2024.

TABLE OF CONTENTS


		Page Number
	PART I. FINANCIAL INFORMATION
Item 1.	Financial Statements	5
	Unaudited Condensed Consolidated Balance Sheets	5
	Unaudited Condensed Consolidated Statements of Operations	6
	Unaudited Condensed Consolidated Statements of Comprehensive Loss	7
	Unaudited Condensed Consolidated Statements of Stockholders’ Equity	8
	Unaudited Condensed Consolidated Statements of Cash Flows	9
	Notes to Unaudited Condensed Consolidated Financial Statements	10
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	20
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	26
Item 4.	Controls and Procedures	27

	PART II. OTHER INFORMATION
Item 1.	Legal Proceedings	29
Item 1A.	Risk Factors	29
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	30
Item 3.	Defaults Upon Senior Securities	30
Item 4.	Mine Safety Disclosures	30
Item 5.	Other Information	30
Item 6.	Exhibits	30
	Signatures	32

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SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS

This Quarterly Report on Form 10-Q contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, which are statements that involve substantial risks and uncertainties. Forward-looking statements generally relate to future events or our future financial or operating performance. In some cases, you can identify forward-looking statements because they contain words such as “may,” “will,” “shall,” “should,” “expects,” “plans,” “anticipates,” “could,” “intends,” “target,” “projects,” “contemplates,” “believes,” “estimates,” “predicts,” “potential” or “continue” or the negative of these words or other similar terms or expressions that concern our expectations, strategy, plans or intentions. Forward-looking statements contained in this Quarterly Report on Form 10-Q include, but are not limited to, statements about:

•our future financial performance, including our revenue, cost of revenue and operating expenses and our ability to achieve and maintain future profitability;

•the sufficiency of our cash, cash equivalents and capital resources to meet our liquidity needs;

•our ability to effectively manage or sustain our growth and to effectively expand our operations;

•our strategies, plans, objectives and goals, including our expectations regarding future infrastructure investments as well as reorganization activities;

•our ability to effectively deploy new and evolving technologies, such as artificial intelligence and machine learning, in our offerings;

•our ability to attract and retain buyers and sellers and the continued impact of network effects as we scale our platform;

•our ability to continue to generate revenue from new Resale-as-a-Service (“RaaS”) offerings as sources of revenue;

•trends in our key financial and operating metrics;

•our estimated market opportunity;

•economic and industry trends, projected growth or trend analysis, including the effects of foreign currency exchange rate fluctuations, inflationary pressures, increased interest rates, cybersecurity risks, changing consumer habits, climate change and extreme weather events and general global economic uncertainty;

•our ability to comply with applicable laws and regulations; and

•our ability to successfully integrate and realize the benefits of our past or future strategic acquisitions or investments.

You should not rely upon forward-looking statements as predictions of future events. Forward-looking statements are neither historical facts nor assurances of future performance. Forward-looking statements involve substantial risks and uncertainties that may cause actual results to differ materially from those that we expect. These risks and uncertainties include, but are not limited to: our ability to attract new users and convert users into buyers and active buyers; the sufficiency of our cash, cash equivalents and capital resources to meet our liquidity needs; our ability to effectively manage or sustain our growth and to effectively expand our operations; our ability to continue to generate revenue from new RaaS offerings as sources of revenue; risks from an intensely competitive market; our ability to effectively deploy new and evolving technologies, such as artificial intelligence and machine learning, in our offerings; risks arising from economic and industry trends, including the effects of foreign currency exchange rate fluctuations, inflationary pressures, increased interest rates, changing consumer habits, climate change and general global economic uncertainty; our ability to comply with applicable laws and regulations; our ability to recognize realize expected savings or benefits from reorganization activities; and our ability to successfully integrate and realize the benefits of our past or future strategic acquisitions or investments. More information on these risks and other potential factors that could affect the Company’s business, reputation, results of operations, financial condition, and stock price is included in the Company’s filings with the Securities and Exchange Commission (“SEC”), including in Part I, Item 1A, Risk Factors, of our Annual Report on Form 10-K for the year ended December 31, 2023, in Part II, Item 1A, Risk Factors, and elsewhere in this Quarterly Report on Form 10-Q, as well as in our other filings with the Securities and Exchange Commission (“SEC”). Moreover, we operate in a very competitive and rapidly changing environment. New risks and uncertainties emerge from time to time, and it is not possible for us to predict all risks and uncertainties that could have an impact on the forward-looking statements contained in this Quarterly Report on Form 10-Q. The results, events and circumstances reflected in the forward-looking statements may not be achieved or occur, and actual results, events or circumstances could differ materially from those described in the forward-looking statements.

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The forward-looking statements made in this Quarterly Report on Form 10-Q relate only to events as of the date on which the statements are made. We undertake no obligation to update any forward-looking statements made in this Quarterly Report on Form 10-Q to reflect events or circumstances after the date of this Quarterly Report on Form 10-Q or to reflect new information or the occurrence of unanticipated events, except as required by law.

***

Unless otherwise indicated or unless the context requires otherwise, all references in this document to “ThredUp”, “the Company”, “we”, “us”, “our”, or similar references are to ThredUp Inc. and its consolidated subsidiaries.

ThredUp is one of the world’s largest online resale platforms for apparel, shoes and accessories, based primarily on items processed, items sold and the capacity of our distribution centers.

The “estimated retail price” of an item is based on the estimated original retail price of a comparable item of the same quality, construction and material offered elsewhere in new condition. Our estimated original retail prices are set by our team of merchants who periodically monitor market prices for the brands and styles that we offer on our marketplaces.

Channels for Disclosure of Information

ThredUp intends to announce material information to the public through the ThredUp Investor Relations website (ir.thredup.com), SEC filings, press releases, public conference calls, and public webcasts. ThredUp uses these channels, as well as social media, to communicate with its investors, customers, and the public about the company, its offerings, and other issues. It is possible that the information ThredUp posts on social media could be deemed to be material information. As such, ThredUp encourages investors, the media, and others to follow the channels listed above, including the social media channels listed on ThredUp’s investor relations website, and to review the information disclosed through such channels.

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PART I. FINANCIAL INFORMATION

Item 1. Financial Statements

THREDUP INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(Unaudited)


	March 31, 2024		December 31, 2023
	(in thousands, except par value amounts)
ASSETS
Current assets:
Cash and cash equivalents	$	50,112	$	56,084
Marketable securities	12,399		8,100
Accounts receivable, net	6,929		7,813
Inventory	11,582		15,687
Other current assets	5,834		6,204
Total current assets	86,856		93,888
Operating lease right-of-use assets	47,138		42,118
Property and equipment, net	85,083		87,672
Goodwill	11,677		11,957
Intangible assets	7,329		8,156
Other assets	6,196		6,176
Total assets	$	244,279	$	249,967
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	9,133	$	9,457
Accrued and other current liabilities	37,541		35,934
Seller payable	21,037		21,495
Operating lease liabilities, current	5,517		5,949
Current portion of long-term debt	3,843		3,838
Total current liabilities	77,071		76,673
Operating lease liabilities, non-current	49,750		44,621
Long-term debt, net of current portion	21,044		22,006
Other non-current liabilities	2,884		2,750
Total liabilities	150,749		146,050
Commitments and contingencies (Note 10)
Stockholders’ equity:
Class A and B common stock, $0.0001 par value; 1,120,000 shares authorized as of March 31, 2024 and December 31, 2023; 110,217 and 108,784 shares issued and outstanding as of March 31, 2024 and December 31, 2023, respectively	11		11
Additional paid-in capital	592,193		585,156
Accumulated other comprehensive loss	(3,245)		(2,375)
Accumulated deficit	(495,429)		(478,875)
Total stockholders’ equity	93,530		103,917
Total liabilities and stockholders’ equity	$	244,279	$	249,967

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

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THREDUP INC.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(Unaudited)


	Three Months Ended
	March 31, 2024		March 31, 2023
	(in thousands, except per share amounts)
Revenue:
Consignment	$	61,225	$	46,479
Product	18,363		29,443
Total revenue	79,588		75,922
Cost of revenue:
Consignment	10,502		9,220
Product	13,760		15,609
Total cost of revenue	24,262		24,829
Gross profit	55,326		51,093
Operating expenses:
Operations, product, and technology	41,051		38,347
Marketing	13,413		16,870
Sales, general, and administrative	17,573		16,059
Total operating expenses	72,037		71,276
Operating loss	(16,711)		(20,183)
Interest expense	(677)		(77)
Other income, net	845		476
Loss before provision for income taxes	(16,543)		(19,784)
Provision for income taxes	11		9
Net loss	$	(16,554)	$	(19,793)
Loss per share, basic and diluted	$	(0.15)	$	(0.19)
Weighted-average shares used in computing loss per share, basic and diluted	109,292		101,984

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

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THREDUP INC.

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS

(Unaudited)


	Three Months Ended
	March 31, 2024		March 31, 2023
	(in thousands)
Net loss	$	(16,554)	$	(19,793)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(864)		544
Unrealized gain (loss) on available-for-sale securities	(6)		610
Total other comprehensive income (loss)	(870)		1,154
Total comprehensive loss	$	(17,424)	$	(18,639)

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

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THREDUP INC.

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY

(Unaudited)


	Common Stock
	Shares	Amount		Additional Paid-in Capital		Accumulated Other Comprehensive Loss		Accumulated Deficit		Total Stockholders’ Equity
	(in thousands)
Balance as of December 31, 2023	108,784	$	11	$	585,156	$	(2,375)	$	(478,875)	$	103,917
Issuance of common stock from exercise of stock options and restricted stock units	1,694	—		81						81
Stock-based compensation				7,506						7,506
Shares withheld for net share settlement	(261)	—		(550)						(550)
Net loss								(16,554)		(16,554)
Other comprehensive loss						(870)				(870)
Balance as of March 31, 2024	110,217	$	11	$	592,193	$	(3,245)	$	(495,429)	$	93,530


	Common Stock
	Shares	Amount		Additional Paid-in Capital		Accumulated Other Comprehensive Loss		Accumulated Deficit		Total Stockholders’ Equity
	(in thousands)
Balance as of December 31, 2022	101,532	$	10	$	551,852	$	(4,234)	$	(407,627)	$	140,001
Issuance of common stock from exercise of stock options and restricted stock units	1,484	—		275						275
Stock-based compensation				9,720						9,720
Shares withheld for net share settlement	(180)	—		(270)						(270)
Net loss								(19,793)		(19,793)
Other comprehensive income						1,154				1,154
Balance as of March 31, 2023	102,836	$	10	$	561,577	$	(3,080)	$	(427,420)	$	131,087

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

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THREDUP INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)


	Three Months Ended
	March 31, 2024		March 31, 2023
	(in thousands)
Cash flows from operating activities:
Net loss	$	(16,554)	$	(19,793)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	4,933		3,681
Stock-based compensation expense	7,211		9,391
Reduction in carrying amount of right-of-use assets	1,667		1,207
Other	28		41
Changes in operating assets and liabilities:
Accounts receivable, net	815		1,010
Inventory	3,825		(3,157)
Other current and non-current assets	312		22
Accounts payable	(223)		4,102
Accrued and other current liabilities	1,742		(1,851)
Seller payable	(442)		1,696
Operating lease liabilities	(1,986)		(2,062)
Other non-current liabilities	65		1,255
Net cash provided by (used in) operating activities	1,393		(4,458)
Cash flows from investing activities:
Purchases of marketable securities	(8,665)		—
Maturities of marketable securities	4,500		24,579
Purchases of property and equipment	(1,620)		(5,679)
Net cash provided by (used in) investing activities	(5,785)		18,900
Cash flows from financing activities:

Repayment of debt	(1,000)		(1,000)
Proceeds from issuance of stock-based awards	727		446
Payments of withholding taxes on stock-based awards	(1,207)		(638)
Net cash used in financing activities	(1,480)		(1,192)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(115)		(540)
Net change in cash, cash equivalents, and restricted cash	(5,987)		12,710
Cash, cash equivalents, and restricted cash, beginning of period	61,469		44,051
Cash, cash equivalents, and restricted cash, end of period	$	55,482	$	56,761

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

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THREDUP INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

1. Organization and Description of Business

ThredUp Inc. (“ThredUp” or the “Company”) was formed as a corporation in the State of Delaware in January 2009. ThredUp operates a large resale platform that enables consumers to buy and sell primarily secondhand apparel, shoes, and accessories.

2. Significant Accounting Policies

Basis of Presentation and Use of Estimates

The accompanying unaudited condensed consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All intercompany account balances and transactions have been eliminated upon consolidation. The unaudited condensed consolidated financial statements were prepared in accordance with the United States (“U.S.”) Generally Accepted Accounting Principles (“GAAP”) for interim financial information and with the instructions to Quarterly Report on Form 10‑Q and Article 10 of Regulation S-X. As permitted under those rules, certain footnotes or other financial information may be condensed or omitted.

The preparation of consolidated financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the amounts that are reported in the consolidated financial statements and the related disclosures. Actual results could differ from those estimates. Significant items subject to such estimates and assumptions include, but are not limited to: the useful lives of property and equipment and intangibles, allowance for sales returns, breakage on loyalty points and rewards and gift cards, valuation of inventory, stock-based compensation, lease liabilities, goodwill and acquired intangible assets, and income taxes.

In the opinion of management, the accompanying unaudited condensed consolidated financial statements reflect all normal and recurring adjustments necessary to present fairly the financial position of the Company as of March 31, 2024, and the results of operations and cash flows for the interim periods presented.

The accompanying unaudited condensed consolidated financial statements and related financial information should be read in conjunction with the Company’s audited consolidated financial statements and related notes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2023 (the “2023 10-K”).

Recently Adopted Accounting Pronouncements

There were no accounting pronouncements adopted during the three months ended March 31, 2024.

Accounting Pronouncements Not Yet Effective

In October 2023, the Financial Accounting Standards Board (the “FASB”) issued Accounting Standards Update (“ASU”) 2023-06, “Disclosure Improvements: Codification Amendments in Response to the SEC’s Disclosure Update and Simplification Initiative,” to amend certain disclosure and presentation requirements for a variety of topics within the Accounting Standards Codification (the “ASC”). These amendments align the requirements in the ASC to the removal of certain disclosure requirements set out in Regulation S-X and Regulation S-K, announced by the SEC. The effective date for each amended topic in the ASC is either the date on which the SEC’s removal of the related disclosure requirement from Regulation S-X or Regulation S-K becomes effective, or on June 30, 2027, if the SEC has not removed the requirements by that date. Early adoption is prohibited. The Company does not expect that the application of this standard will have an impact on our consolidated financial statements and disclosures.

In November 2023, the FASB issued ASU 2023-07, Improvements to Reportable Segment Disclosures. This new guidance is designed to improve reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses. ASU 2023-07 is effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024 on a retrospective basis. Early adoption is permitted. The Company is currently assessing the impact of adopting this new accounting standard on its consolidated financial statements.

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In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures. ASU 2023-09 requires additional quantitative and qualitative income tax disclosures to enable financial statements users to better assess how an entity’s operations and related tax risks and tax planning and operational opportunities affect its tax rate and prospects for future cash flows. For public business entities, ASU 2023-09 is effective for annual periods beginning after December 15, 2024, which will be the fiscal year ending December 31, 2025 for us. We expect the adoption will result in enhanced income tax disclosures.

Revenue from Loyalty Reward Redemption and Expiration

The Company has a customer loyalty program, which allows end-customers to earn and accumulate points with each qualifying purchase. Earned points can be redeemed for loyalty rewards, such as non-cashoutable shopping credit, free shipping, or waived restocking fee, which can be applied to future purchases or returns. Unredeemed points expire after one year from the date the points were earned. Reward coupons expire six months from the date the reward is claimed. Points earned on purchases are a material right, representing a separate performance obligation.

The allocated consideration for the points earned through qualifying purchase transactions is deferred based on the standalone selling price of the points, adjusted for expected breakage in proportion to the pattern of redemption, and recorded within deferred revenue under accrued and other current liabilities within the Company’s condensed consolidated balance sheets. Revenue is recognized for these performance obligations at a point in time when rewards are redeemed by the end customer or expired.

As of March 31, 2024 and December 31, 2023, the Company had a deferred revenue liability of $1.6 million and $3.1 million, respectively, related to its customer loyalty program, which is included in accrued and other current liabilities within the Company’s condensed consolidated balance sheets. The Company recognized revenue from loyalty reward redemption of $3.7 million and $2.1 million for the three months ended March 31, 2024 and 2023, respectively. As our loyalty points expire in 12 months and coupon rewards expire in six months, the revenue for the remaining performance obligation is expected to be recognized within a 12-month period.

Gift Cards and Site Credits

The Company sells ThredUp gift cards on its e-commerce website and may also convert seller payables and site credits to ThredUp gift cards beginning after one year at the discretion of the Company. ThredUp gift cards do not expire or lose value over periods of inactivity. The Company accounts for gift cards by recognizing a gift card liability at the time a gift card is delivered to the customer. As of March 31, 2024 and December 31, 2023, $6.9 million and $6.6 million, respectively, of gift card liability was included in accrued and other current liabilities within the Company’s condensed consolidated balance sheets. Revenue from gift cards is generally recognized when the gift cards are redeemed by the customer and amounted to $0.3 million and $0.5 million for the three months ended March 31, 2024 and 2023, respectively.

The Company recognizes breakage revenue when it determines that the redemption of gift cards is remote. Breakage revenue was $1.3 million for the three months ended March 31, 2024. Breakage revenue was not material for the three months ended March 31, 2023.

The Company issues site credits for returns, which can be applied toward future charges but may not be converted into cash. Site credits may also be converted to ThredUp gift cards beginning after one year at the discretion of the Company. These credits are recognized as revenue when used. As of March 31, 2024 and December 31, 2023, $5.2 million and $4.8 million, respectively, of such customer site credits were included in accrued and other current liabilities within the Company’s condensed consolidated balance sheets. Revenue recognized from the redemption of site credits was $13.5 million and $9.4 million for the three months ended March 31, 2024 and 2023, respectively.

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Cash, Cash Equivalents and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the Company’s condensed consolidated balance sheets that sum to the total of the same such amounts shown in the Company’s condensed consolidated statements of cash flows:


	March 31, 2024		December 31, 2023
	(in thousands)
Cash and cash equivalents	$	50,112	$	56,084
Restricted cash included in Other current assets	335		462
Restricted cash included in Other assets	5,035		4,923
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows	$	55,482	$	61,469

Fair Value Measurements

The Company applies the provisions of FASB ASC Topic 820, Fair Value Measurements and Disclosures, for its financial and non-financial assets and liabilities. ASC 820 defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. ASC 820 establishes a fair value hierarchy, which prioritizes the inputs used in measuring fair value into three broad levels as follows:

•Level 1 inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date.

•Level 2 inputs include quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability and inputs that are derived principally from or corroborated by observable market data by correlation or other means.

•Level 3 inputs are unobservable inputs for the asset or liability.

The Company measures certain assets and liabilities at fair value as discussed throughout the notes to its condensed consolidated financial statements. As of March 31, 2024 and December 31, 2023, the carrying amounts of the Company’s accounts receivable, other current assets, other assets, accounts payable, seller payable and accrued and other current liabilities approximated their estimated fair values due to their relatively short maturities. Management believes the terms of its long-term variable-rate debt reflect current market conditions for an instrument with similar terms and maturity, and as such, the carrying value of the Company’s long-term debt approximated its fair value as of March 31, 2024 and December 31, 2023.

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3. Financial Instruments and Fair Value Measurements

The following tables provide information about the Company’s financial instruments that are measured at fair value on a recurring basis and indicate the fair value hierarchy of the valuation techniques utilized to determine such values as of March 31, 2024 and December 31, 2023:


	March 31, 2024
	Level 1		Level 2		Level 3		Total
	(in thousands)
Assets:
Cash equivalents:
Money market funds	$	5,067	$	—	$	—	$	5,067
U.S. treasury securities	—		7,647		—		7,647
Commercial paper	—		12,568		—		12,568

Total cash equivalents	5,067		20,215		—		25,282
Marketable securities:

U.S. treasury securities	—		10,419		—		10,419
U.S. government agency bonds	—		1,980		—		1,980
Total marketable securities	—		12,399		—		12,399
Total assets at fair value	$	5,067	$	32,614	$	—	$	37,681


	December 31, 2023
	Level 1		Level 2		Level 3		Total
	(in thousands)
Assets:
Cash equivalents:
Money market funds	$	8,028	$	—	$	—	$	8,028
Commercial paper	—		14,954		—		14,954
U.S. treasury securities	—		7,976		—		7,976
U.S. government agency bonds	—		1,108		—		1,108
Total cash equivalents	8,028		24,038		—		32,066
Marketable securities:

U.S. treasury securities	—		7,405		—		7,405
U.S. government agency bonds	—		695		—		695
Total marketable securities	—		8,100		—		8,100
Total assets at fair value	$	8,028	$	32,138	$	—	$	40,166

The following tables summarize the cost, gross unrealized gains, gross unrealized losses and fair value of the marketable securities as of March 31, 2024 and December 31, 2023:


	March 31, 2024
	Cost or Amortized Cost		Unrealized				Fair Value
			Gains		Losses
	(in thousands)

U.S. treasury securities	$	10,421	$	—	$	(2)	$	10,419
U.S. government agency bonds	1,983		—		(3)		1,980
Total	$	12,404	$	—	$	(5)	$	12,399

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	December 31, 2023
	Cost or Amortized Cost		Unrealized				Fair Value
			Gains		Losses
	(in thousands)

U.S. treasury securities	$	7,403	$	2	$	—	$	7,405
U.S. government agency bonds	695		—		—		695
Total	$	8,098	$	2	$	—	$	8,100

As of March 31, 2024 and December 31, 2023, the Company’s cash equivalents approximated their estimated fair value. As such, there were no unrealized gains or losses related to the Company’s cash equivalents.

For the Company’s marketable securities, which were all classified as available-for-sale, the Company utilizes third-party pricing services to obtain fair value. Third-party pricing methodologies incorporate bond terms and conditions, current performance data, proprietary pricing models, real-time quotes from contributing dealers, trade prices and other market data. The Company determined that the declines in the fair value of its marketable securities were not driven by credit-related factors. During the three months ended March 31, 2024 and 2023, the Company did not recognize any losses on its marketable securities due to credit-related factors.

As of March 31, 2024, the Company’s money market funds were valued using Level 1 inputs because they were valued using quoted prices in active markets. The Company’s U.S. treasury securities, commercial paper and U.S. government agency bonds were valued using Level 2 inputs because they were valued using quoted prices for similar assets or liabilities in active markets and quoted prices for identical or similar assets or liabilities in markets that are not active.

There were no transfers into or out of Level 3 during the three months ended March 31, 2024. As of March 31, 2024, all of the $12.4 million carrying amount of marketable securities had a contractual maturity date of less than one year.

4. Property and Equipment, Net

Property and equipment, net consisted of the following:


	March 31, 2024		December 31, 2023
	(in thousands)
Property and equipment, at cost:
Machinery and equipment	$	79,166	$	79,273
Leasehold improvements	27,993		27,620
Internal-use software	12,263		11,284
Computers and software	7,756		8,260
Construction in progress	6,865		6,542
Furniture and fixtures	2,571		2,574
Total property and equipment, at cost	136,614		135,553
Less: accumulated depreciation and amortization	(51,531)		(47,881)
Property and equipment, net	$	85,083	$	87,672

Depreciation and amortization expense of property and equipment was $4.3 million and $3.0 million for the three months ended March 31, 2024 and 2023, respectively.

5. Goodwill and Other Intangible Assets

Goodwill is primarily attributable to the planned growth in the combined business after the acquisition of Remix Global EAD (“Remix”). Goodwill is reviewed for impairment at least annually, absent any interim indicators of impairment. Goodwill was $11.7 million and $12.0 million as of March 31, 2024 and December 31, 2023, respectively. The change in goodwill during the three months ended March 31, 2024 was due to foreign currency translation adjustments.

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The gross carrying amounts and accumulated amortization of the Company’s intangible assets with determinable lives as of March 31, 2024 and December 31, 2023 were as follows:


		March 31, 2024
	Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(in years)	(in thousands)
Customer relationships	8	$	4,849	$	(1,498)	$	3,351
Developed technology	3	4,569		(3,776)		793
Trademarks	9	4,389		(1,204)		3,185
Total		$	13,807	$	(6,478)	$	7,329


		December 31, 2023
	Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(in years)	(in thousands)
Customer relationships	8	$	4,965	$	(1,386)	$	3,579
Developed technology	3	4,679		(3,482)		1,197
Trademarks	9	4,494		(1,114)		3,380
Total		$	14,138	$	(5,982)	$	8,156

The changes in the gross carrying amounts were due to foreign currency translation adjustments.

Amortization expense related to developed technology, customer relationships, and trademarks is recorded within operations, product, and technology; sales, general, and administrative; and marketing expense, respectively, within the Company’s condensed consolidated statements of operations. Amortization expense of intangible assets with determinable lives was $0.6 million and $0.6 million for the three months ended March 31, 2024 and 2023, respectively.

6. Balance Sheet Components

Inventories consisted of the following:


	March 31, 2024		December 31, 2023
	(in thousands)
Work in process	$	1,779	$	3,333
Finished goods	9,803		12,354
Total	$	11,582	$	15,687

Work in process inventory relates to items that are currently undergoing preparation for sale, including itemization, cleaning, and repair.

Accrued and other current liabilities consisted of the following:


	March 31, 2024		December 31, 2023
	(in thousands)
Gift card and site credit liabilities	$	12,129	$	11,407
Accrued compensation	6,505		4,092
Accrued vendor liabilities	4,937		4,080
Accrued taxes	4,733		4,967
Allowance for returns	4,155		3,817
Deferred revenue	3,730		6,377
Accrued other	1,352		1,194
Total	$	37,541	$	35,934

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7. Long-Term Debt

In February 2019, the Company entered into a loan and security agreement (“Term Loan”) with Western Alliance Bank for an aggregate amount of up to $40.0 million.

The Term Loan was subsequently amended several times, with the most recent amendment taking place in December 2023. As amended, the Term Loan matures on July 14, 2027 and provides for an aggregate borrowing amount of up to $48.8 million, of which $22.5 million is designated for the purchase of certain equipment. The Term Loan bears interest at the prime rate published in the Wall Street Journal plus a margin of 1.25%, with a floor of 4.75%.

The Term Loan requires the Company to comply with certain financial covenants, including, among other things, liquidity requirements, minimum cash deposits with Western Alliance Bank, performance metrics, and a debt service coverage ratio. The Term Loan also contains affirmative and negative covenants customary for financings of this type, including, among other things, limitations or prohibitions on repurchasing common shares, declaring and paying dividends and other distributions, redeeming and repurchasing certain other indebtedness, loans and investments, additional indebtedness, liens, mergers, asset sales and transactions with affiliates. In addition, the Term Loan contains customary events of default. As of March 31, 2024 and December 31, 2023, the Company was in compliance with its debt covenants under the Term Loan.

The Term Loan is payable in consecutive monthly installments. Interest is due monthly on amounts outstanding under the Term Loan. The Company is permitted to make voluntary prepayments without penalty or premium at any time.

As of March 31, 2024 and December 31, 2023, the effective interest rate for borrowings under the Term Loan was 10.73%.

During the three months ended March 31, 2024 and 2023, the Company did not make any borrowings under the Term Loan and repaid a total of $1.0 million in each of the periods on amounts outstanding under the Term Loan. As of March 31, 2024 and December 31, 2023, the amounts outstanding under the Term Loan were $25.3 million and $26.3 million, respectively.

The Company incurred $0.7 million of interest costs relating to the Term Loan during each of the three months ended March 31, 2024 and 2023. There was no capitalized interest during the three months ended March 31, 2024, and $0.6 million was capitalized as part of an asset for the three months ended March 31, 2023.

As of March 31, 2024, the future annual principal payments of the Term Loan were as follows:


	Amount
	(in thousands)
2024 (Remaining nine months)	$	3,000
2025	4,000
2026	4,000
2027	14,333

Total principal payments	25,333
Less: unamortized debt discount	(446)
Less: current portion of long-term debt	(3,843)
Non-current portion of long-term debt	$	21,044

8. Common Stock and Stockholders’ Equity

Each share of Class A common stock is entitled to one vote per share. Each share of Class B common stock is entitled to ten votes per share and is convertible at any time into one share of Class A common stock.

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The table below summarizes the Class A common stock and Class B common stock authorized, issued and outstanding as of March 31, 2024 and December 31, 2023:


	March 31, 2024
	Authorized	Issued and Outstanding
	(in thousands)
Class A common stock	1,000,000	80,273
Class B common stock	120,000	29,944
Total	1,120,000	110,217


	December 31, 2023
	Authorized	Issued and Outstanding
	(in thousands)
Class A common stock	1,000,000	78,830
Class B common stock	120,000	29,954
Total	1,120,000	108,784

9. Stock-Based Compensation

The Company has stock-based compensation plans, which are more fully described in Note 10, Stock-Based Compensation Plans, to the Consolidated Financial Statements included in the 2023 10-K. During the three months ended March 31, 2024, the Company granted restricted stock units subject to service conditions.

Stock-Based Compensation Expense

The following table provides information about stock-based compensation expense by financial statement line item:


	Three Months Ended
	March 31, 2024		March 31, 2023
	(in thousands)
Operations, product, and technology	$	2,571	$	3,671
Marketing	202		1,205
Sales, general, and administrative	4,438		4,515
Total stock-based compensation expense	$	7,211	$	9,391

Stock-based compensation expense capitalized in internal use software was not material for the three months ended March 31, 2024 and 2023, respectively.

Stock Options

The following table summarizes the activities for all stock options under the Company’s share-based compensation plans for the three months ended March 31, 2024:


	Number of Options Outstanding	Weighted-Average Exercise Price Per Share		Weighted-Average Remaining Contractual Life	Aggregate Intrinsic Value (1)
	(in thousands)				(in thousands)
Outstanding as of December 31, 2023	16,247	$	1.99	4.14 years	$	5,861
Granted	—	$	—
Exercised	(56)	$	1.44
Forfeited or expired	(88)	$	2.29
Outstanding as of March 31, 2024	16,103	$	1.99	3.84 years	$	2,539
Exercisable as of March 31, 2024	14,977	$	1.97	3.65 years	$	2,539

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(1)The intrinsic value is the amount by which the current market value of the underlying stock exceeds the exercise price of the stock awards.

There were no options granted during the three months ended March 31, 2024 and 2023. The total intrinsic value of stock options exercised during the three months ended March 31, 2024 and 2023 was not material.

As of March 31, 2024, the total unrecognized compensation cost related to all nonvested stock options was $0.8 million and the related weighted-average period over which it is expected to be recognized was approximately 0.83 years.

Restricted Stock Units

The following table summarizes the activities for all restricted stock units (“RSUs”) under the Company’s share-based compensation plans for the three months ended March 31, 2024:


	Number of Shares	Weighted-Average Grant Date Fair Value Per Share
	(in thousands)
Outstanding and nonvested as of December 31, 2023	8,538	$	4.39
Granted	5,058	$	1.98
Vested	(1,638)	$	4.25
Forfeited	(970)	$	5.21
Outstanding and nonvested as of March 31, 2024	10,988	$	3.23

The total vesting date fair value of RSUs that vested during the three months ended March 31, 2024 and 2023 was $3.5 million and $8.0 million, respectively.

During the three months ended March 31, 2023, the Company modified the vesting schedule of substantially all RSUs outstanding as of December 31, 2022 from 4 years to 3 years and recognized compensation expense of $2.4 million related to the acceleration of the vesting schedule.

As of March 31, 2024, the total unrecognized compensation cost related to all nonvested RSUs was $32.4 million and the related weighted-average period over which it is expected to be recognized was approximately 1.94 years.

10. Commitments and Contingencies

Legal Contingencies

The Company is subject to litigation claims and assessments from time to time in the ordinary course of business. The Company’s management does not believe that any such matters, individually or in the aggregate, will have a material adverse effect on the Company’s business, financial condition, results of operations or cash flows.

Indemnifications

In the normal course of business, the Company enters into contracts and agreements that contain a variety of representations and warranties and provide for limited and customary indemnification obligations. The Company’s exposure under these agreements is unknown because it involves claims that may be made against the Company in the future, but that have not yet been made.

11. Income Taxes

The quarterly income tax provision reflects an estimate of the corresponding quarter’s state taxes in the U.S. The provision for income tax expense for the three months ended March 31, 2024 and 2023 was determined based upon estimates of the Company’s annual effective tax rate for the years ending December 31, 2024 and 2023, respectively. Since the Company is in a full valuation allowance position due to losses incurred since inception, the provision for taxes consists solely of certain state income taxes.

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12. Loss Per Share

The following participating securities have been excluded from the computation of diluted loss per share for the periods presented because including them would have been anti-dilutive:


	March 31, 2024	March 31, 2023
	(in thousands)
Outstanding stock options	16,103	17,569
Restricted stock units	10,988	14,615
Delayed share issuance related to acquisition	—	130
Employee stock purchase plan	216	152
Total	27,307	32,466

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with other information, including our condensed consolidated financial statements and related notes included in Part I, Item 1, Financial Statements, of this Quarterly Report on Form 10-Q; Part I, Item 1A, Risk Factors, of this Quarterly Report on Form 10-Q; and our consolidated financial statements and related notes appearing in our Annual Report on Form 10-K for the year ended December 31, 2023 (the “2023 10-K”). The following discussion contains forward-looking statements that reflect our plans, estimates and beliefs. Our actual results could differ materially from those discussed in the forward-looking statements. You should review the section titled “Special Note Regarding Forward-Looking Statements” for a discussion of forward-looking statements and the section titled “Risk Factors” for a discussion of factors that could cause actual results to differ materially from the results described in or implied by the forward-looking statements contained in the following discussion and analysis. Our historical results are not necessarily indicative of the results that may be expected for any period in the future, and our interim results are not necessarily indicative of the results we expect for the full calendar year or any other period.

Overview

ThredUp operates one of the world’s largest online resale platforms for apparel, shoes and accessories. Our mission is to inspire the world to think secondhand first. We believe in a sustainable fashion future and we are proud that our business model creates a positive impact to the benefit of our buyers, sellers, clients, employees, investors and the environment. Our custom-built operating platform consists of distributed processing infrastructure, proprietary software and systems and data science expertise. This platform is powering the rapidly emerging resale economy, one of the fastest growing sectors in retail, according to a GlobalData market survey conducted in January 2023.

ThredUp’s proprietary operating platform is the foundation for our managed marketplace, where we have bridged online and offline technology to make the buying and selling of tens of millions of unique items easy and fun. The marketplaces we have built enable buyers in the U.S. and in Europe to browse and purchase resale items for primarily apparel, shoes and accessories across a wide range of price points. Buyers enjoy shopping value, premium and luxury brands all in one place, at up to 90% off estimated retail price. Sellers enjoy ThredUp because we make it easy to clean out their closets and unlock value for themselves or for the charity of their choice while doing good for the planet. ThredUp’s sellers order a Clean Out Kit, fill it and return it to us using our prepaid label. We take it from there and do the work to make those items available for resale. Aside from Clean Out Kits, ThredUp also sources inventory from a variety of supply channels, such as wholesale supply in Europe.

In addition to our core marketplace, some of the world’s leading brands and retailers are taking advantage of our RaaS offering, which allows them to conveniently offer a scalable closet clean out service and/or resale shop to their customers. We believe RaaS will accelerate the growth of this emerging category and form the backbone of the modern resale experience domestically and internationally.

Recent Business Developments

Workforce Reorganization

In March 2024, we reorganized certain corporate functions to improve efficiencies and reduce overhead costs, ensuring better alignment with the operational needs of the business, resulting in an estimated annualized reduction of operating expenses of $17 million. This and other reorganization activities we may undertake in the future are expected to provide future growth and efficiency benefits; however, the actual results may differ.

Overview of First Quarter Results

Revenue: Total revenue was $79.6 million, representing an increase of 4.8% year-over-year.

Gross Profit and Margin: Gross profit totaled $55.3 million, representing an increase of 8.3% year-over-year. Gross margin was 69.5%, an increase of 220 basis points from 67.3% in the comparable quarter last year.

Net Loss: Net loss was $16.6 million, or a negative 20.8% of revenue, for the first quarter of 2024, compared to a net loss of $19.8 million, or a negative 26.1% of revenue, for the first quarter of 2023.

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Non-GAAP Adjusted EBITDA Loss: Non-GAAP Adjusted EBITDA loss was $0.7 million, or a negative 0.9% of revenue, for the first quarter of 2024, compared to Non-GAAP Adjusted EBITDA loss of $6.6 million, or a negative 8.7% of revenue, for the first quarter of 2023. Non-GAAP Adjusted EBITDA loss and Non-GAAP Adjusted EBITDA loss margin are non-GAAP measures which may not be comparable to similarly-titled measures used by other companies. See below for a reconciliation of Non-GAAP Adjusted EBITDA loss to net loss.

Active Buyers and Orders: Active Buyers totaled 1.7 million and Orders totaled 1.7 million in the first quarter of 2024, representing an increase of 3.7% and an increase of 9.3%, respectively, compared to the first quarter of 2023.

Key Financial and Operating Metrics

We review a number of operating and financial metrics, including the following key business and non-GAAP metrics, to evaluate our business, measure our performance, identify trends affecting our business, formulate business plans and make strategic decisions. These key financial and operating metrics are set forth below for the periods presented.


	Three Months Ended
	March 31, 2024			March 31, 2023			Change
	(in thousands, except percentages)
Active Buyers (as of period end)	1,729			1,668			3.7	%
Orders	1,651			1,511			9.3	%
Total revenue	$	79,588		$	75,922		4.8	%
Gross profit	$	55,326		$	51,093		8.3	%
Gross margin	69.5		%	67.3		%	220	bps
Net loss	$	(16,554)		$	(19,793)		(16.4)	%
Net loss margin	(20.8)		%	(26.1)		%	530	bps
Non-GAAP Adjusted EBITDA loss(1)	$	(736)		$	(6,635)		(88.9)	%
Non-GAAP Adjusted EBITDA loss margin(1)	(0.9)		%	(8.7)		%	780	bps

(1)Non-GAAP Adjusted EBITDA loss and Non-GAAP Adjusted EBITDA loss margin are non-GAAP measures which may not be comparable to similarly-titled measures used by other companies. See below for a reconciliation of Non-GAAP Adjusted EBITDA loss to net loss.

Active Buyers

An Active Buyer is a ThredUp buyer who has made at least one purchase in the last twelve months. A ThredUp buyer is a customer who has created an account and purchased in our marketplaces, including through our RaaS clients, and is identified by a unique email address. A single person could have multiple ThredUp accounts and count as multiple Active Buyers. The number of Active Buyers is a key driver of revenue for our marketplaces.

Orders

Orders means the total number of orders placed by buyers across our marketplaces, including through our RaaS clients, in a given period, net of cancellations.

Non-GAAP Financial Metrics

Non-GAAP Adjusted EBITDA Loss and Non-GAAP Adjusted EBITDA Loss Margin

Non-GAAP Adjusted EBITDA loss means net loss adjusted to exclude, where applicable in a given period, stock-based compensation expense, depreciation and amortization, severance and other reorganization costs, interest expense, and provision for income taxes. Non-GAAP Adjusted EBITDA loss margin represents Non-GAAP Adjusted EBITDA loss divided by Total revenue. We use Non-GAAP Adjusted EBITDA loss and Non-GAAP Adjusted EBITDA loss margin, which are non-GAAP measures, to evaluate and assess our operating performance and the operating leverage in our business, and for internal planning and forecasting purposes. We believe that Non-GAAP Adjusted EBITDA loss and Non-GAAP Adjusted EBITDA loss margin, when taken collectively with our GAAP results, may be helpful to investors because they provide consistency and comparability with past financial performance and assist in comparisons with other companies, some of which use similar non-GAAP financial information to supplement their GAAP results.

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The following table provides a reconciliation of net loss to Non-GAAP Adjusted EBITDA loss:


	Three Months Ended
	March 31, 2024			March 31, 2023
	(in thousands)
Net loss	$	(16,554)		$	(19,793)
Stock-based compensation expense	7,211			9,391
Depreciation and amortization	4,933			3,681
Severance and other	2,986			—
Interest expense	677			77
Provision for income taxes	11			9

Non-GAAP Adjusted EBITDA loss	$	(736)		$	(6,635)
Total revenue	$	79,588		$	75,922
Non-GAAP Adjusted EBITDA loss margin	(0.9)		%	(8.7)		%

Comparison of the Three Months Ended March 31, 2024 and 2023

Revenue


	Three Months Ended						Change
	March 31, 2024			March 31, 2023			Amount		%
	(in thousands, except percentages)
Consignment revenue	$	61,225		$	46,479		$	14,746	31.7	%
Product revenue	18,363			29,443			(11,080)		(37.6)	%
Total revenue	$	79,588		$	75,922		$	3,666	4.8	%
Consignment revenue as a percentage of total revenue	76.9		%	61.2		%
Product revenue as a percentage of total revenue	23.1		%	38.8		%

Total revenue increased $3.7 million, or 4.8%, for the three months ended March 31, 2024 as compared to the same period in 2023. The increase in revenue for the three months ended March 31, 2024 as compared to the same period in 2023 was driven by $14.7 million or a 31.7% increase in consignment revenue, partially offset by $11.1 million or a 37.6% decrease in product revenue. The increase in total revenue was primarily due to a 3.7% increase in Active Buyers, a 9.3% increase in Orders and a 7.6% increase in the average order value. Consignment revenue increased while product revenue decreased as a percentage of revenue by 15.7% as we transitioned our RaaS partners and introduced our European operations to the consignment model in 2023.

Gross Margin


	Three Months Ended						Change
	March 31, 2024			March 31, 2023			Amount		%
	(in thousands, except percentages)
Cost of consignment revenue	$	10,502		$	9,220		$	1,282	13.9	%
Cost of product revenue	13,760			15,609			(1,849)		(11.8)	%
Total cost of revenue	$	24,262		$	24,829		$	(567)	(2.3)	%
Gross profit	$	55,326		$	51,093		$	4,233	8.3	%
Gross margin	69.5		%	67.3		%

Gross margin was 69.5% and 67.3% for the three months ended March 31, 2024 and 2023, respectively, or an increase of 220 basis points.

Consignment revenue is recognized net of seller payouts. Seller payouts related to product revenue are included as a component of cost of product revenue. As such, product revenue has a lower gross margin than consignment revenue.

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The increase in gross margin for the three months ended March 31, 2024 as compared to the same period in 2023 was primarily due to an increase in consignment gross margin by 260 basis points, primarily driven by lower shipping, labor and packaging costs. We transitioned our RaaS partners and introduced our European operations to the consignment model in 2023, which positively impacted our gross margin. This higher consignment gross margin was offset by a 2,190 basis point decrease in product gross margin, primarily driven by higher inventory costs.

Consignment Gross Margin


	Three Months Ended						Change
	March 31, 2024			March 31, 2023			Amount		%
	(in thousands, except percentages)
Cost of consignment revenue	$	10,502		$	9,220		$	1,282	13.9	%
Consignment gross margin	82.8		%	80.2		%

Consignment gross margin was 82.8% and 80.2% for the three months ended March 31, 2024 and 2023, respectively, or an increase of 260 basis points. The increase in consignment gross margin for the three months ended March 31, 2024 as compared to the same period in 2023 was primarily due to a 260 basis point decrease in outbound shipping, labor and packaging costs.

Product Gross Margin


	Three Months Ended						Change
	March 31, 2024			March 31, 2023			Amount		%
	(in thousands, except percentages)
Cost of product revenue	$	13,760		$	15,609		$	(1,849)	(11.8)	%
Product gross margin	25.1		%	47.0		%

Product gross margin was 25.1% and 47.0% for the three months ended March 31, 2024 and 2023, respectively, or a decrease of 2,190 basis points. The decrease in product gross margin for the three months ended March 31, 2024 as compared to the same period in 2023 was due to higher inventory costs in our European operations, which unfavorably impacted product gross margin by 2,800 basis points. This decrease was partially offset by a 300 basis point decrease in inventory costs in the U.S. and a 290 basis point decrease in shipping and packaging costs.

Operations, Product, and Technology


	Three Months Ended						Change
	March 31, 2024			March 31, 2023			Amount		%
	(in thousands, except percentages)
Operations, product, and technology	$	41,051		$	38,347		$	2,704	7.1	%
Operations, product, and technology as a percentage of total revenue	51.6		%	50.5		%

Operations, product, and technology expenses increased $2.7 million, or 7.1% for the three months ended March 31, 2024 as compared to the same period in 2023. The increase was due to a $2.4 million increase in facilities, technology, and other allocated costs, $1.2 million in severance costs related to our workforce reorganization in March 2024, and a $0.8 million increase in inbound shipping. This increase was partially offset by a $1.7 million decrease in personnel-related costs, of which $1.1 million was related to stock-based compensation.

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Marketing


	Three Months Ended						Change
	March 31, 2024			March 31, 2023			Amount		%
	(in thousands, except percentages)
Marketing	$	13,413		$	16,870		$	(3,457)	(20.5)	%
Marketing as a percentage of total revenue	16.9		%	22.2		%

Marketing expenses decreased $3.5 million, or 20.5%, for the three months ended March 31, 2024 as compared to the same period in 2023. The decrease was due to a $2.5 million decrease in advertising costs, a $1.3 million decrease in personnel-related costs, of which $1.0 million was related to stock-based compensation expense, and a $0.2 million decrease in facilities, technology and other costs. This decrease was partially offset by $0.5 million in severance costs related to our workforce reorganization in March 2024.

Sales, General and Administrative


	Three Months Ended						Change
	March 31, 2024			March 31, 2023			Amount		%
	(in thousands, except percentages)
Sales, general, and administrative	$	17,573		$	16,059		$	1,514	9.4	%
Sales, general, and administrative as a percentage of total revenue	22.1		%	21.2		%

Sales, general, and administrative expenses increased $1.5 million, or 9.4%, for the three months ended March 31, 2024 as compared to the same period in 2023. The increase was due to $1.3 million in severance costs related to our workforce reorganization in March 2024, a $0.5 million increase in personnel-related costs, and a $0.1 million increase in facilities, technology and other costs. This increase was partially offset by a $0.4 million decrease in professional services.

Interest Expense


	Three Months Ended				Change
	March 31, 2024		March 31, 2023		Amount		%
	(in thousands, except percentages)
Interest expense	$	(677)	$	(77)	$	(600)	779.2	%

Interest expense increased $0.6 million for the three months ended March 31, 2024 as compared to the same period in 2023. This increase was due to a $0.6 million of capitalized interest expense recorded in the first quarter of 2023 in conjunction with the build-out of our distribution centers. We did not capitalize any interest in the same period in 2024.

Other Income, Net


	Three Months Ended				Change
	March 31, 2024		March 31, 2023		Amount		%
	(in thousands, except percentages)
Other income, net	$	845	$	476	$	369	77.5	%

Other income, net increased $0.4 million for the three months ended March 31, 2024 as compared to the same period in 2023. The increase was primarily due to an increase in interest income on our marketable securities due to a higher interest rate environment.

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Liquidity and Capital Resources

Although we generated $1.4 million in cash flows from operating activities in the first quarter of 2024, we had historically generated negative cash flows from operations and have primarily financed our operations through private and public sales of equity securities and debt. As of March 31, 2024, we had cash, cash equivalents and short-term marketable securities of $62.5 million. Additionally, we have a term loan facility (“Term Loan”) under which $22.5 million remained available to be drawn as of March 31, 2024 for the purchase of certain equipment, and we were in full compliance with our debt covenants under the Term Loan as of that date. See Note 7, Long-Term Debt, to the Condensed Consolidated Financial Statements included in Part I, Item 1, Financial Statements, of this Quarterly Report on Form 10-Q for a further discussion on our Term Loan.

We expect operating losses to continue in 2024 as we continue to invest in growing our business and our infrastructure. Our primary sources of liquidity are cash flows generated from operations, cash on hand and borrowings available under the Term Loan. Our primary use of cash includes operating costs such as distribution network spend, product and technology expenses, marketing expenses, personnel expenses and other expenditures necessary to support our operations and our growth. Additionally, our primary capital expenditures are related to the set-up, expansion and/or automation of our distribution network. Based upon our current operating plans, we believe that our existing cash, cash equivalents and short-term marketable securities will be sufficient for at least the next 12 months and beyond to meet our short- and long-term capital requirements, and we do not anticipate expanding our distribution network to include additional locations in the near term. Our cash flow forecast is a forward-looking statement that involves risks and uncertainties, and actual results could vary materially.

Our future capital requirements will depend on many factors, including but not limited to, the timing of our increased distribution center automation and expansion plans to support planned revenue growth, the expansion of sales and marketing activities, the potential introduction of new offerings and new RaaS clients, the continuing growth of our marketplaces and overall economic conditions. However, we expect that our capital expenditures will be limited in the remainder of 2024 as we have completed the first phase of our new distribution center in Texas. See the section titled “Risk Factors—Risks Relating to Our Indebtedness and Liquidity—We may require additional capital to support business growth, and this capital might not be available or may be available only by diluting existing stockholders” within the 2023 10-K.

Cash Flows

The following table summarizes our cash flows for the periods indicated:


	Three Months Ended
	March 31, 2024		March 31, 2023
	(in thousands)
Net cash provided by (used in):
Operating activities	$	1,393	$	(4,458)
Investing activities	(5,785)		18,900
Financing activities	(1,480)		(1,192)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(115)		(540)
Net change in cash, cash equivalents and restricted cash	$	(5,987)	$	12,710

Changes in Cash Flows from Operating Activities

Net cash provided by operating activities was $1.4 million during the three months ended March 31, 2024, compared to net cash used of $4.5 million during the three months ended March 31, 2023. The increase in cash inflows was primarily due to a $3.2 million decrease in our net loss, partially offset by a $0.5 million decrease in non-cash adjustments to net loss, and favorable changes totaling $3.1 million in operating assets and liabilities. The change in operating assets and liabilities was primarily due to a $7.0 million reduction in inventory mainly driven by decreased upfront inventory purchases as we transitioned our RaaS partners and introduced our European operations to the consignment model in 2023 and a $2.4 million increase in accrued and other current and non-current liabilities driven primarily by accrued severance costs related to our workforce reorganization in March 2024. This was partially offset by a $6.5 million decrease in accounts and seller payable primarily due to timing of vendor payments and seller credit cash-outs or redemptions.

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Changes in Cash Flows from Investing Activities

Net cash used in investing activities for the three months ended March 31, 2024 increased $24.7 million as compared to the same period in 2023. The increase in cash outflows was primarily due to a $20.1 million decrease in maturities of marketable securities and an $8.7 million increase in purchases of marketable securities, offset by a $4.1 million decrease in purchases of property and equipment.

Changes in Cash Flows from Financing Activities

Net cash used in financing activities for the three months ended March 31, 2024 increased $0.3 million as compared to the same period in 2023 which was primarily due to $0.6 million of increased taxes paid related to stock-based award activity, offset by $0.3 million of increased proceeds from issuance of stock-based awards.

Critical Accounting Policies and Estimates

U.S. GAAP requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the year. We base our estimates and assumptions on current facts, historical experience and various other factors that we believe to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities and the recording of revenue, costs and expenses. Actual results could differ from those estimates.

There have been no material changes to our critical accounting policies since the 2023 10-K. For a description of critical accounting policies that affect our significant judgments and estimates used in the preparation of our condensed consolidated financial statements, see Part II, Item 7, Management’s Discussion and Analysis of Financial Condition and Results of Operations, of the 2023 10-K.

JOBS Act Accounting Election

We are an “emerging growth company,” as defined in the Jumpstart Our Business Startups Act (“JOBS Act”). Under the JOBS Act, emerging growth companies can delay adopting new or revised accounting standards until such time as those standards apply to private companies. We have elected to use this extended transition period until we are no longer an emerging growth company or until we affirmatively and irrevocably opt out of the extended transition period. Accordingly, our condensed consolidated financial statements may not be comparable to companies that comply with new or revised accounting pronouncements as of public company effective dates.

New Accounting Pronouncements

See discussion under Note 2, Significant Accounting Policies, to the Condensed Consolidated Financial Statements included in Part I, Item 1, Financial Statements, of this Quarterly Report on Form 10-Q for information on new accounting pronouncements.

Item 3. Quantitative and Qualitative Disclosures About Market Risk

We are exposed to market risks in the ordinary course of our business. These risks primarily include:

Interest Rate Risk

As of March 31, 2024, we had cash and cash equivalents of $50.1 million and marketable securities of $12.4 million, consisting primarily of money market funds, commercial paper, U.S. treasury securities and U.S. government agency bonds, which carry a degree of interest rate risk. The primary objective of our investment activities is to preserve principal while maximizing income without significantly increasing risk. We do not enter into investments for trading or speculative purposes and have not used any derivative financial instruments to manage our interest rate risk exposure. Due to the short- to intermediate-term nature of our investments, we have not been exposed to, nor do we anticipate being exposed to, material risks due to fluctuations in interest rates.

The Term Loan bears variable interest rates tied to the prime rate, with a floor of 4.75%, and therefore carries interest rate risk. If interest rates were to increase or decrease by 1% for the year and our borrowing amounts on the Term Loan remained constant, the increase or decrease to our annual interest expense would not be material.

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Inflation Risk

As of March 31, 2024, inflation remains at elevated levels in the U.S. and overseas where we conduct our business, resulting in rising interest rates and fuel, labor and processing, freight and other costs that have affected our gross margin and operating expenses. We believe these increases have negatively impacted our business, and although difficult to quantify, inflation is potentially having an adverse effect on our customers’ ability to purchase in our marketplaces, resulting in slowing revenue and Order growth. If we are unable to increase our prices to sufficiently offset the rising costs of doing business, our profitability and financial position could be adversely impacted.

Foreign Currency Exchange Rate Risk

We transact business in Europe through Remix in multiple currencies. As a result, our operating results, cash flows and net investment in Remix are subject to fluctuations due to changes in foreign currency exchange rates. As of March 31, 2024, our most significant currency exposure was the Bulgarian lev. We manage our foreign currency exchange rate risks through natural hedges including foreign currency revenue and costs matching, as well as foreign currency assets offsetting liabilities. We have not entered into any hedging arrangements with respect to foreign currency risk, but we may do so in the future if our exposure to foreign currency becomes more significant.

Assets and liabilities of our foreign operations are translated into dollars at period-end rates, while income and expenses are translated using the average exchange rate during the period in which the transactions occurred. The related translation adjustments were reflected as an unfavorable foreign currency translation adjustment of $0.9 million during the three months ended March 31, 2024, which was recognized in accumulated other comprehensive loss within our condensed consolidated balance sheet.

A hypothetical 10% change in foreign currency exchange rates would not have had a material impact on our financial condition or results of operations during any of the periods presented.

Item 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, we evaluated the effectiveness of the design and operation of our disclosure controls and procedures pursuant to Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), as of March 31, 2024. The term “disclosure controls and procedures,” as defined under the Exchange Act, means controls and procedures that are designed to ensure that information required to be disclosed in the reports we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms, and that such information is accumulated and communicated to our management, including the Chief Executive Officer and the Chief Financial Officer, to allow timely decisions regarding required disclosures. Any controls and procedures, no matter how well designed and operated, can provide only reasonable, not absolute, assurance of achieving the desired control objective and management necessarily applies its judgment in evaluating the cost-benefit relationship of possible controls and procedures.

Based on that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective as of March 31, 2024.

Changes in Internal Control over Financial Reporting

There were no changes in our internal control over financial reporting that occurred during our most recent fiscal quarter ended March 31, 2024 that materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Inherent Limitations on Effectiveness of Controls

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Our management, including our Chief Executive Officer and Chief Financial Officer, does not expect that our disclosure controls or our internal control over financial reporting will prevent all errors and all fraud. A control system, no matter how well designated and operated, can provide only reasonable, not absolute, assurance that the objectives of the control system are met. Further, the design of a control system must reflect the fact that there are resource constraints, and the benefits of controls must be considered relative to their costs. Because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, have been detected. These inherent limitations include the realities that judgments in decision-making can be faulty, and that breakdowns can occur because of a simple error or mistake. Additionally, controls can be circumvented by the individual acts of some persons, by collusion of two or more people or by management override of the controls. The design of any system of controls is also based in part upon certain assumptions about the likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions over time, controls may become inadequate because of changes in conditions, or the degree of compliance with policies or procedures may deteriorate. Because of the inherent limitations in a cost-effective control system, misstatements due to error or fraud may occur and not be detected.

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PART II. OTHER INFORMATION

Item 1. Legal Proceedings

We are not a party to any material pending legal proceedings. From time to time, we may be subject to legal proceedings and claims arising in the ordinary course of business.

Item 1A. Risk Factors

The Company is supplementing the risk factors previously disclosed in the section titled “Risk Factors” in Part I, Item 1A of our Annual Report on Form 10-K for the fiscal year ended December 31, 2023 filed with the SEC on March 5, 2024 (our “Fiscal 2023 10-K”) to include the following risk factors, which should be read in conjunction with the other risk factors presented in our Fiscal 2023 10-K.

Our ability to incorporate artificial intelligence and machine learning into our business operations successfully may affect our reputation and results of operations.

We use artificial intelligence (“AI”), and machine learning (“ML”) technologies in our business to, among other things, optimize our product presentation and personalize our website experience through advanced search and product recommendations. Our strategic plans and initiatives also include investments in information technology, data science and AI and ML. We may expand our use of AI and ML into other areas of our business including general administrative functions. However, there can be no assurance that we will realize the desired or anticipated benefits from AI and ML. Our investments in AI and ML solutions and features may negatively impact our cost of revenue and gross margins until and unless we are able to increase revenue enough to offset these investments. We may also fail to properly implement or market our AI solutions and features.

In addition, issues relating to our and our vendors’ use of new and evolving technologies such as AI and ML may cause us to experience brand or reputational harm, competitive harm, legal liability and new or enhanced governmental or regulatory scrutiny, and to incur additional costs to resolve such issues. For example, data sets used by AI and ML may be over-broad or insufficient, can include unexpected biases and may also be subject to legal risks and licensing costs. Our vendors may incorporate artificial intelligence tools into their offerings without disclosing this use to us, and the providers of artificial intelligence tools may not meet existing or rapidly evolving regulatory or industry standards with respect to the use and governance of artificial intelligence tools. AI algorithms or training methodologies may have flaws and be prone to cybersecurity incidents or service interruptions. Perceived or actual technical, legal, compliance, privacy, security, ethical or other issues relating to the use of AI and ML could undermine the decisions, predictions or analysis that such applications produce and create additional risks, such as risks of cybersecurity incidents or loss of intellectual property and other confidential information, all of which could adversely affect our business and operating results. Developing, testing and deploying AI systems may also increase our operating expenses due to the nature of the computing costs involved in such systems. Further, we may be unable to quickly and successfully adapt to rapid change resulting from advancements in AI and similar technology, or our competitors may have more success implementing and utilizing such technology than we do. Any of these risks could have an adverse effect on our reputation and results of operations.

The use of AI and ML involves significant technical complexity and requires specialized expertise, and our future success depends on our ability to continue to attract, retain and motivate highly skilled employees, software engineers and other employees with the technical skills in AI, ML and advanced algorithms. Competition for highly skilled employees is intense, particularly in the fields of AI and data science. We may be unable to attract or retain such highly skilled personnel who are critical to our success, which could hinder our ability to keep pace with innovation and technological changes in our industry or result in harm to our business, results of operations and financial condition.

Our reorganization activities may not lead to expected savings or benefits and may be disruptive to our operations and harm our business.

We have in the past implemented internal reorganizations designed to reduce our cost structure to better align the operational needs of the business to current economic conditions. In March 2024, we reorganized certain functions within our business to improve efficiencies and reduce overhead costs. We may have additional workforce reorganization initiatives in the future to improve our operations, respond to changes in business conditions and markets and to streamline certain key functions to reduce costs. We may not realize expected savings or benefits from reorganization activities, incur additional charges and experience loss of key personnel, disruptions in our operations, and difficulties in the timely delivery of products. These factors could negatively impact our business, results of operations and financial condition.

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Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

(a)None.

(b)On March 25, 2021, the SEC declared our registration statement on Form S-1 (File No. 333-253834) for our IPO effective. We have applied the entirety of net proceeds from our IPO in accordance with the description included in our final prospectus filed with the SEC on March 3, 2021 pursuant to Rule 424(b)(4).

(c)None.

Item 3. Defaults Upon Senior Securities

None.

Item 4. Mine Safety Disclosures

Not applicable.

Item 5. Other Information

(a)None.

(b)None.

(c)Rule 10b5-1 Trading Plans

On March 15, 2024, James Reinhart, Chief Executive Officer, adopted a Rule 10b5-1 trading arrangement that is intended to satisfy the affirmative defense of Rule 10b5-1(c) of the Exchange Act for the sale of up to 692,152 shares of the Company’s Class A common stock until June 13, 2024.

On March 15, 2024, Alon Rotem, Chief Legal Officer, adopted a Rule 10b5-1 trading arrangement that is intended to satisfy the affirmative defense of Rule 10b5-1(c) of the Exchange Act for the sale of up to 310,135 shares of the Company’s Class A common stock until June 13, 2024.

There were no other Rule 10b5-1 trading arrangements or non-Rule 10b5-1 trading arrangements adopted, modified or terminated by our directors or officers during the three months ended March 31, 2024.

Item 6. Exhibits

(a)Exhibit Index:

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Incorporated by Reference

Exhibit Number

Description

Form

Exhibit

Filing Date

3.1

Amended and Restated Certificate of Incorporation of the Registrant

S-1

3.2

3/3/2021

3.2

Amended and Restated Bylaws of the Registrant, as adopted on February 16, 2023

8-K

3.1

2/21/2023

4.1

Form of Class A common stock certificate of the Registrant

S-1

4.1

3/3/2021

4.2

Tenth Amended and Restated Investors’ Rights Agreement, dated February 16, 2021, by and among the Registrant and certain of its stockholders

S-1

4.2

3/3/2021

31.1*

Certification of Principal Executive Officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

31.2*

Certification of Principal Financial Officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

32.1**

Certification of Principal Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

32.2**

Certification of Principal Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

101.INS*

XBRL Instance Document – the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document

101.SCH*

Inline XBRL Taxonomy Extension Schema Document

101.CAL*

Inline XBRL Taxonomy Extension Calculation Linkbase Document

101.DEF*

Inline XBRL Taxonomy Extension Definition Linkbase Document

101.LAB*

Inline XBRL Taxonomy Extension Label Linkbase Document

101.PRE*

Inline XBRL Taxonomy Extension Presentation Linkbase Document

104*

Cover Page Interactive Data File (formatted as inline XBRL with applicable taxonomy extension information contained in Exhibits 101)

* Filed herewith.

** Furnished herewith.

† Certain schedules have been omitted pursuant to Item 601(a)(5) of Regulation S-K under the Securities Act. The Company agrees to furnish supplementally any omitted schedules to the Securities and Exchange Commission upon request.

^ Portions of this exhibit have been omitted pursuant to Item 601(b)(10)(iv) of Regulation S-K because they are both (i) not material and (ii) the type that the registrant treats as private or confidential. A copy of the omitted portions will be furnished to the Securities and Exchange Commission upon request.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.


			THREDUP INC.

			By:			/s/ SEAN SOBERS
						Sean Sobers
						Chief Financial Officer
						(Principal Financial and Accounting Officer)

Date: May 6, 2024

Exhibit 31.1

CERTIFICATION OF PERIODIC REPORT UNDER SECTION 302 OF

THE SARBANES-OXLEY ACT OF 2002

I, James Reinhart, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of ThredUp Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b.Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a.All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.


			By:			/s/ JAMES REINHART
						James Reinhart
						Chief Executive Officer
						(Principal Executive Officer)

Date: May 6, 2024

Exhibit 31.2

CERTIFICATION OF PERIODIC REPORT UNDER SECTION 302 OF

THE SARBANES-OXLEY ACT OF 2002

I, Sean Sobers, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of ThredUp Inc.;

b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.


			By:			/s/ SEAN SOBERS
						Sean Sobers
						Chief Financial Officer
						(Principal Financial and Accounting Officer)

Date: May 6, 2024

Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

I, James Reinhart, Chief Executive Officer of ThredUp Inc. (the “Company”), do hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

•the Quarterly Report on Form 10-Q of the Company for the quarter ended March 31, 2024 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

•the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company for the periods presented therein.


			By:			/s/ JAMES REINHART
						James Reinhart
						Chief Executive Officer
						(Principal Executive Officer)

Date: May 6, 2024

Exhibit 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

I, Sean Sobers, Chief Financial Officer of ThredUp Inc. (the “Company”), do hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

•the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company for the periods presented therein.


			By:			/s/ SEAN SOBERS
						Sean Sobers
						Chief Financial Officer
						(Principal Financial and Accounting Officer)

Date: May 6, 2024

Cover - shares	3 Months Ended
Cover - shares	Mar. 31, 2024	Apr. 30, 2024
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2024
Document Transition Report	false
Entity File Number	001-40249
Entity Registrant Name	ThredUp Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	26-4009181
Entity Address, Address Line One	969 Broadway
Entity Address, Address Line Two	Suite 200
Entity Address, City or Town	Oakland
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94607
City Area Code	415
Local Phone Number	402-5202
Title of 12(b) Security	Class A Common Stock, $0.0001 par value per share
Trading Symbol	TDUP
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Amendment Flag	false
Entity Central Index Key	0001484778
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q1
Class A common stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		80,571,704
Class B common stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		29,684,496

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 50,112	$ 56,084
Marketable securities	12,399	8,100
Accounts receivable, net	6,929	7,813
Inventory	11,582	15,687
Other current assets	5,834	6,204
Total current assets	86,856	93,888
Operating lease right-of-use assets	47,138	42,118
Property and equipment, net	85,083	87,672
Goodwill	11,677	11,957
Intangible assets	7,329	8,156
Other assets	6,196	6,176
Total assets	244,279	249,967
Current liabilities:
Accounts payable	9,133	9,457
Accrued and other current liabilities	37,541	35,934
Seller payable	21,037	21,495
Operating lease liabilities, current	5,517	5,949
Current portion of long-term debt	3,843	3,838
Total current liabilities	77,071	76,673
Operating lease liabilities, non-current	49,750	44,621
Long-term debt, net of current portion	21,044	22,006
Other non-current liabilities	2,884	2,750
Total liabilities	150,749	146,050
Commitments and contingencies (Note 10)
Stockholders’ equity:
Class A and B common stock, $0.0001 par value; 1,120,000 shares authorized as of March 31, 2024 and December 31, 2023; 110,217 and 108,784 shares issued and outstanding as of March 31, 2024 and December 31, 2023, respectively	11	11
Additional paid-in capital	592,193	585,156
Accumulated other comprehensive loss	(3,245)	(2,375)
Accumulated deficit	(495,429)	(478,875)
Total stockholders’ equity	93,530	103,917
Total liabilities and stockholders’ equity	$ 244,279	$ 249,967

Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2024	Dec. 31, 2023
Stockholders’ equity:
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	1,120,000,000	1,120,000,000
Common stock, shares issued (in shares)	110,217,000	108,784,000
Common stock, shares outstanding (in shares)	110,217,000	108,784,000

Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenue:
Total revenue	$ 79,588	$ 75,922
Cost of revenue:
Total cost of revenue	24,262	24,829
Gross profit	55,326	51,093
Operating expenses:
Operations, product, and technology	41,051	38,347
Marketing	13,413	16,870
Sales, general, and administrative	17,573	16,059
Total operating expenses	72,037	71,276
Operating loss	(16,711)	(20,183)
Interest expense	(677)	(77)
Other income, net	845	476
Loss before provision for income taxes	(16,543)	(19,784)
Provision for income taxes	11	9
Net loss	$ (16,554)	$ (19,793)
Loss per share, basic (in dollars per share)	$ (0.15)	$ (0.19)
Loss per share, diluted (in dollars per share)	$ (0.15)	$ (0.19)
Weighted-average shares used in computing loss per share, basic (in shares)	109,292	101,984
Weighted-average shares used in computing loss per share, diluted (in shares)	109,292	101,984
Consignment
Revenue:
Total revenue	$ 61,225	$ 46,479
Cost of revenue:
Total cost of revenue	10,502	9,220
Product
Revenue:
Total revenue	18,363	29,443
Cost of revenue:
Total cost of revenue	$ 13,760	$ 15,609

Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net loss	$ (16,554)	$ (19,793)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(864)	544
Unrealized gain (loss) on available-for-sale securities	(6)	610
Total other comprehensive income (loss)	(870)	1,154
Total comprehensive loss	$ (17,424)	$ (18,639)

Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2022		101,532,000
Beginning balance at Dec. 31, 2022	$ 140,001	$ 10	$ 551,852	$ (4,234)	$ (407,627)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock from exercise of stock options and restricted stock units (in shares)		1,484,000
Issuance of common stock from exercise of stock options and restricted stock units	275		275
Stock-based compensation	9,720		9,720
Shares withheld for net share settlement (in shares)		(180,000)
Shares withheld for net share settlement	(270)		(270)
Net loss	(19,793)				(19,793)
Other comprehensive loss	1,154			1,154
Ending balance (in shares) at Mar. 31, 2023		102,836,000
Ending balance at Mar. 31, 2023	$ 131,087	$ 10	561,577	(3,080)	(427,420)
Beginning balance (in shares) at Dec. 31, 2023	108,784,000	108,784,000
Beginning balance at Dec. 31, 2023	$ 103,917	$ 11	585,156	(2,375)	(478,875)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock from exercise of stock options and restricted stock units (in shares)	56,000	1,694,000
Issuance of common stock from exercise of stock options and restricted stock units	$ 81		81
Stock-based compensation	7,506		7,506
Shares withheld for net share settlement (in shares)		(261,000)
Shares withheld for net share settlement	(550)		(550)
Net loss	(16,554)				(16,554)
Other comprehensive loss	$ (870)			(870)
Ending balance (in shares) at Mar. 31, 2024	110,217,000	110,217,000
Ending balance at Mar. 31, 2024	$ 93,530	$ 11	$ 592,193	$ (3,245)	$ (495,429)

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net loss	$ (16,554)	$ (19,793)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	4,933	3,681
Stock-based compensation expense	7,211	9,391
Reduction in carrying amount of right-of-use assets	1,667	1,207
Other	28	41
Changes in operating assets and liabilities:
Accounts receivable, net	815	1,010
Inventory	3,825	(3,157)
Other current and non-current assets	312	22
Accounts payable	(223)	4,102
Accrued and other current liabilities	1,742	(1,851)
Seller payable	(442)	1,696
Operating lease liabilities	(1,986)	(2,062)
Other non-current liabilities	65	1,255
Net cash provided by (used in) operating activities	1,393	(4,458)
Cash flows from investing activities:
Purchases of marketable securities	(8,665)	0
Maturities of marketable securities	4,500	24,579
Purchases of property and equipment	(1,620)	(5,679)
Net cash provided by (used in) investing activities	(5,785)	18,900
Cash flows from financing activities:
Repayment of debt	(1,000)	(1,000)
Proceeds from issuance of stock-based awards	727	446
Payments of withholding taxes on stock-based awards	(1,207)	(638)
Net cash used in financing activities	(1,480)	(1,192)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(115)	(540)
Net change in cash, cash equivalents, and restricted cash	(5,987)	12,710
Cash, cash equivalents, and restricted cash, beginning of period	61,469	44,051
Cash, cash equivalents, and restricted cash, end of period	$ 55,482	$ 56,761

Organization and Description of Business	3 Months Ended
Organization and Description of Business	Mar. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization and Description of Business	Organization and Description of Business ThredUp Inc. (“ThredUp” or the “Company”) was formed as a corporation in the State of Delaware in January 2009. ThredUp operates a large resale platform that enables consumers to buy and sell primarily secondhand apparel, shoes, and accessories.

Significant Accounting Policies

3 Months Ended

Mar. 31, 2024

Accounting Policies [Abstract]

Significant Accounting Policies

Basis of Presentation and Use of Estimates

Recently Adopted Accounting Pronouncements

There were no accounting pronouncements adopted during the three months ended March 31, 2024.

Accounting Pronouncements Not Yet Effective

Revenue from Loyalty Reward Redemption and Expiration

Gift Cards and Site Credits

Cash, Cash Equivalents and Restricted Cash


	March 31, 2024		December 31, 2023
	(in thousands)
Cash and cash equivalents	$	50,112	$	56,084
Restricted cash included in Other current assets	335		462
Restricted cash included in Other assets	5,035		4,923
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows	$	55,482	$	61,469

Fair Value Measurements

•Level 1 inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date.

•Level 3 inputs are unobservable inputs for the asset or liability.

Financial Instruments and Fair Value Measurements

3 Months Ended

Mar. 31, 2024

Fair Value Disclosures [Abstract]

Financial Instruments and Fair Value Measurements


	March 31, 2024
	Level 1		Level 2		Level 3		Total
	(in thousands)
Assets:
Cash equivalents:
Money market funds	$	5,067	$	—	$	—	$	5,067
U.S. treasury securities	—		7,647		—		7,647
Commercial paper	—		12,568		—		12,568

Total cash equivalents	5,067		20,215		—		25,282
Marketable securities:

U.S. treasury securities	—		10,419		—		10,419
U.S. government agency bonds	—		1,980		—		1,980
Total marketable securities	—		12,399		—		12,399
Total assets at fair value	$	5,067	$	32,614	$	—	$	37,681


	December 31, 2023
	Level 1		Level 2		Level 3		Total
	(in thousands)
Assets:
Cash equivalents:
Money market funds	$	8,028	$	—	$	—	$	8,028
Commercial paper	—		14,954		—		14,954
U.S. treasury securities	—		7,976		—		7,976
U.S. government agency bonds	—		1,108		—		1,108
Total cash equivalents	8,028		24,038		—		32,066
Marketable securities:

U.S. treasury securities	—		7,405		—		7,405
U.S. government agency bonds	—		695		—		695
Total marketable securities	—		8,100		—		8,100
Total assets at fair value	$	8,028	$	32,138	$	—	$	40,166

The following tables summarize the cost, gross unrealized gains, gross unrealized losses and fair value of the marketable securities as of March 31, 2024 and December 31, 2023:


	March 31, 2024
	Cost or Amortized Cost		Unrealized				Fair Value
			Gains		Losses
	(in thousands)

U.S. treasury securities	$	10,421	$	—	$	(2)	$	10,419
U.S. government agency bonds	1,983		—		(3)		1,980
Total	$	12,404	$	—	$	(5)	$	12,399


	December 31, 2023
	Cost or Amortized Cost		Unrealized				Fair Value
			Gains		Losses
	(in thousands)

U.S. treasury securities	$	7,403	$	2	$	—	$	7,405
U.S. government agency bonds	695		—		—		695
Total	$	8,098	$	2	$	—	$	8,100

Property and Equipment, Net

3 Months Ended

Mar. 31, 2024

Property, Plant and Equipment [Abstract]

Property and Equipment, Net

Property and equipment, net consisted of the following:


	March 31, 2024		December 31, 2023
	(in thousands)
Property and equipment, at cost:
Machinery and equipment	$	79,166	$	79,273
Leasehold improvements	27,993		27,620
Internal-use software	12,263		11,284
Computers and software	7,756		8,260
Construction in progress	6,865		6,542
Furniture and fixtures	2,571		2,574
Total property and equipment, at cost	136,614		135,553
Less: accumulated depreciation and amortization	(51,531)		(47,881)
Property and equipment, net	$	85,083	$	87,672

Depreciation and amortization expense of property and equipment was $4.3 million and $3.0 million for the three months ended March 31, 2024 and 2023, respectively.

Goodwill and Other Intangible Assets

3 Months Ended

Mar. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

The gross carrying amounts and accumulated amortization of the Company’s intangible assets with determinable lives as of March 31, 2024 and December 31, 2023 were as follows:


		March 31, 2024
	Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(in years)	(in thousands)
Customer relationships	8	$	4,849	$	(1,498)	$	3,351
Developed technology	3	4,569		(3,776)		793
Trademarks	9	4,389		(1,204)		3,185
Total		$	13,807	$	(6,478)	$	7,329


		December 31, 2023
	Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(in years)	(in thousands)
Customer relationships	8	$	4,965	$	(1,386)	$	3,579
Developed technology	3	4,679		(3,482)		1,197
Trademarks	9	4,494		(1,114)		3,380
Total		$	14,138	$	(5,982)	$	8,156

The changes in the gross carrying amounts were due to foreign currency translation adjustments.

Balance Sheet Components

3 Months Ended

Mar. 31, 2024

Balance Sheet Related Disclosures [Abstract]

Balance Sheet Components

Inventories consisted of the following:


	March 31, 2024		December 31, 2023
	(in thousands)
Work in process	$	1,779	$	3,333
Finished goods	9,803		12,354
Total	$	11,582	$	15,687

Work in process inventory relates to items that are currently undergoing preparation for sale, including itemization, cleaning, and repair.

Accrued and other current liabilities consisted of the following:


	March 31, 2024		December 31, 2023
	(in thousands)
Gift card and site credit liabilities	$	12,129	$	11,407
Accrued compensation	6,505		4,092
Accrued vendor liabilities	4,937		4,080
Accrued taxes	4,733		4,967
Allowance for returns	4,155		3,817
Deferred revenue	3,730		6,377
Accrued other	1,352		1,194
Total	$	37,541	$	35,934

Long-Term Debt

3 Months Ended

Mar. 31, 2024

Debt Disclosure [Abstract]

Long-Term Debt

In February 2019, the Company entered into a loan and security agreement (“Term Loan”) with Western Alliance Bank for an aggregate amount of up to $40.0 million.

As of March 31, 2024 and December 31, 2023, the effective interest rate for borrowings under the Term Loan was 10.73%.

As of March 31, 2024, the future annual principal payments of the Term Loan were as follows:


	Amount
	(in thousands)
2024 (Remaining nine months)	$	3,000
2025	4,000
2026	4,000
2027	14,333

Total principal payments	25,333
Less: unamortized debt discount	(446)
Less: current portion of long-term debt	(3,843)
Non-current portion of long-term debt	$	21,044

Common Stock and Stockholders’ Equity

3 Months Ended

Mar. 31, 2024

Equity [Abstract]

Common Stock and Stockholders’ Equity

The table below summarizes the Class A common stock and Class B common stock authorized, issued and outstanding as of March 31, 2024 and December 31, 2023:


	March 31, 2024
	Authorized	Issued and Outstanding
	(in thousands)
Class A common stock	1,000,000	80,273
Class B common stock	120,000	29,944
Total	1,120,000	110,217


	December 31, 2023
	Authorized	Issued and Outstanding
	(in thousands)
Class A common stock	1,000,000	78,830
Class B common stock	120,000	29,954
Total	1,120,000	108,784

Stock-Based Compensation

3 Months Ended

Mar. 31, 2024

Share-Based Payment Arrangement [Abstract]

Stock-Based Compensation

Stock-Based Compensation Expense

The following table provides information about stock-based compensation expense by financial statement line item:


	Three Months Ended
	March 31, 2024		March 31, 2023
	(in thousands)
Operations, product, and technology	$	2,571	$	3,671
Marketing	202		1,205
Sales, general, and administrative	4,438		4,515
Total stock-based compensation expense	$	7,211	$	9,391

Stock-based compensation expense capitalized in internal use software was not material for the three months ended March 31, 2024 and 2023, respectively.

Stock Options

The following table summarizes the activities for all stock options under the Company’s share-based compensation plans for the three months ended March 31, 2024:


	Number of Options Outstanding	Weighted-Average Exercise Price Per Share		Weighted-Average Remaining Contractual Life	Aggregate Intrinsic Value (1)
	(in thousands)				(in thousands)
Outstanding as of December 31, 2023	16,247	$	1.99	4.14 years	$	5,861
Granted	—	$	—
Exercised	(56)	$	1.44
Forfeited or expired	(88)	$	2.29
Outstanding as of March 31, 2024	16,103	$	1.99	3.84 years	$	2,539
Exercisable as of March 31, 2024	14,977	$	1.97	3.65 years	$	2,539

(1)The intrinsic value is the amount by which the current market value of the underlying stock exceeds the exercise price of the stock awards.

Restricted Stock Units

The following table summarizes the activities for all restricted stock units (“RSUs”) under the Company’s share-based compensation plans for the three months ended March 31, 2024:


	Number of Shares	Weighted-Average Grant Date Fair Value Per Share
	(in thousands)
Outstanding and nonvested as of December 31, 2023	8,538	$	4.39
Granted	5,058	$	1.98
Vested	(1,638)	$	4.25
Forfeited	(970)	$	5.21
Outstanding and nonvested as of March 31, 2024	10,988	$	3.23

The total vesting date fair value of RSUs that vested during the three months ended March 31, 2024 and 2023 was $3.5 million and $8.0 million, respectively.

Commitment and Contingencies	3 Months Ended
Commitment and Contingencies	Mar. 31, 2024
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Legal Contingencies The Company is subject to litigation claims and assessments from time to time in the ordinary course of business. The Company’s management does not believe that any such matters, individually or in the aggregate, will have a material adverse effect on the Company’s business, financial condition, results of operations or cash flows. Indemnifications In the normal course of business, the Company enters into contracts and agreements that contain a variety of representations and warranties and provide for limited and customary indemnification obligations. The Company’s exposure under these agreements is unknown because it involves claims that may be made against the Company in the future, but that have not yet been made.

Income Taxes	3 Months Ended
Income Taxes	Mar. 31, 2024
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The quarterly income tax provision reflects an estimate of the corresponding quarter’s state taxes in the U.S. The provision for income tax expense for the three months ended March 31, 2024 and 2023 was determined based upon estimates of the Company’s annual effective tax rate for the years ending December 31, 2024 and 2023, respectively. Since the Company is in a full valuation allowance position due to losses incurred since inception, the provision for taxes consists solely of certain state income taxes.

Loss Per Share

3 Months Ended

Mar. 31, 2024

Earnings Per Share [Abstract]

Loss Per Share

The following participating securities have been excluded from the computation of diluted loss per share for the periods presented because including them would have been anti-dilutive:


	March 31, 2024	March 31, 2023
	(in thousands)
Outstanding stock options	16,103	17,569
Restricted stock units	10,988	14,615
Delayed share issuance related to acquisition	—	130
Employee stock purchase plan	216	152
Total	27,307	32,466

Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended
Pay vs Performance Disclosure - USD ($) $ in Thousands	Mar. 31, 2024	Mar. 31, 2023
Pay vs Performance Disclosure
Net loss	$ (16,554)	$ (19,793)

Insider Trading Arrangements	3 Months Ended
Insider Trading Arrangements	Mar. 31, 2024 shares
Trading Arrangements, by Individual
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false
James Reinhart [Member]
Trading Arrangements, by Individual
Material Terms of Trading Arrangement	On March 15, 2024, James Reinhart, Chief Executive Officer, adopted a Rule 10b5-1 trading arrangement that is intended to satisfy the affirmative defense of Rule 10b5-1(c) of the Exchange Act for the sale of up to 692,152 shares of the Company’s Class A common stock until June 13, 2024.
Name	James Reinhart
Title	Chief Executive Officer
Rule 10b5-1 Arrangement Adopted	true
Adoption Date	March 15, 2024
Arrangement Duration	90 days
Aggregate Available	692,152
Alon Rotem [Member]
Trading Arrangements, by Individual
Material Terms of Trading Arrangement	On March 15, 2024, Alon Rotem, Chief Legal Officer, adopted a Rule 10b5-1 trading arrangement that is intended to satisfy the affirmative defense of Rule 10b5-1(c) of the Exchange Act for the sale of up to 310,135 shares of the Company’s Class A common stock until June 13, 2024.
Name	Alon Rotem
Title	Chief Legal Officer
Rule 10b5-1 Arrangement Adopted	true
Adoption Date	March 15, 2024
Arrangement Duration	90 days
Aggregate Available	310,135

Significant Accounting Policies (Policies)	3 Months Ended
Significant Accounting Policies (Policies)	Mar. 31, 2024
Accounting Policies [Abstract]
Basis of Presentation	The accompanying unaudited condensed consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All intercompany account balances and transactions have been eliminated upon consolidation. The unaudited condensed consolidated financial statements were prepared in accordance with the United States (“U.S.”) Generally Accepted Accounting Principles (“GAAP”) for interim financial information and with the instructions to Quarterly Report on Form 10‑Q and Article 10 of Regulation S-X. As permitted under those rules, certain footnotes or other financial information may be condensed or omitted.
Use of Estimates	The preparation of consolidated financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the amounts that are reported in the consolidated financial statements and the related disclosures. Actual results could differ from those estimates. Significant items subject to such estimates and assumptions include, but are not limited to: the useful lives of property and equipment and intangibles, allowance for sales returns, breakage on loyalty points and rewards and gift cards, valuation of inventory, stock-based compensation, lease liabilities, goodwill and acquired intangible assets, and income taxes.
Recently Adopted Accounting Pronouncements	There were no accounting pronouncements adopted during the three months ended March 31, 2024. Accounting Pronouncements Not Yet Effective In October 2023, the Financial Accounting Standards Board (the “FASB”) issued Accounting Standards Update (“ASU”) 2023-06, “Disclosure Improvements: Codification Amendments in Response to the SEC’s Disclosure Update and Simplification Initiative,” to amend certain disclosure and presentation requirements for a variety of topics within the Accounting Standards Codification (the “ASC”). These amendments align the requirements in the ASC to the removal of certain disclosure requirements set out in Regulation S-X and Regulation S-K, announced by the SEC. The effective date for each amended topic in the ASC is either the date on which the SEC’s removal of the related disclosure requirement from Regulation S-X or Regulation S-K becomes effective, or on June 30, 2027, if the SEC has not removed the requirements by that date. Early adoption is prohibited. The Company does not expect that the application of this standard will have an impact on our consolidated financial statements and disclosures. In November 2023, the FASB issued ASU 2023-07, Improvements to Reportable Segment Disclosures. This new guidance is designed to improve reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses. ASU 2023-07 is effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024 on a retrospective basis. Early adoption is permitted. The Company is currently assessing the impact of adopting this new accounting standard on its consolidated financial statements. In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures. ASU 2023-09 requires additional quantitative and qualitative income tax disclosures to enable financial statements users to better assess how an entity’s operations and related tax risks and tax planning and operational opportunities affect its tax rate and prospects for future cash flows. For public business entities, ASU 2023-09 is effective for annual periods beginning after December 15, 2024, which will be the fiscal year ending December 31, 2025 for us. We expect the adoption will result in enhanced income tax disclosures.
Revenue from Loyalty Reward Redemption and Expiration, Gift Cards and Site Credits	The Company has a customer loyalty program, which allows end-customers to earn and accumulate points with each qualifying purchase. Earned points can be redeemed for loyalty rewards, such as non-cashoutable shopping credit, free shipping, or waived restocking fee, which can be applied to future purchases or returns. Unredeemed points expire after one year from the date the points were earned. Reward coupons expire six months from the date the reward is claimed. Points earned on purchases are a material right, representing a separate performance obligation. The allocated consideration for the points earned through qualifying purchase transactions is deferred based on the standalone selling price of the points, adjusted for expected breakage in proportion to the pattern of redemption, and recorded within deferred revenue under accrued and other current liabilities within the Company’s condensed consolidated balance sheets. Revenue is recognized for these performance obligations at a point in time when rewards are redeemed by the end customer or expired. The Company sells ThredUp gift cards on its e-commerce website and may also convert seller payables and site credits to ThredUp gift cards beginning after one year at the discretion of the Company. ThredUp gift cards do not expire or lose value over periods of inactivity. The Company accounts for gift cards by recognizing a gift card liability at the time a gift card is delivered to the customer.The Company issues site credits for returns, which can be applied toward future charges but may not be converted into cash. Site credits may also be converted to ThredUp gift cards beginning after one year at the discretion of the Company. These credits are recognized as revenue when used.
Fair Value Measurements	The Company applies the provisions of FASB ASC Topic 820, Fair Value Measurements and Disclosures, for its financial and non-financial assets and liabilities. ASC 820 defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. ASC 820 establishes a fair value hierarchy, which prioritizes the inputs used in measuring fair value into three broad levels as follows: •Level 1 inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date. •Level 2 inputs include quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability and inputs that are derived principally from or corroborated by observable market data by correlation or other means. •Level 3 inputs are unobservable inputs for the asset or liability. The Company measures certain assets and liabilities at fair value as discussed throughout the notes to its condensed consolidated financial statements. As of March 31, 2024 and December 31, 2023, the carrying amounts of the Company’s accounts receivable, other current assets, other assets, accounts payable, seller payable and accrued and other current liabilities approximated their estimated fair values due to their relatively short maturities. Management believes the terms of its long-term variable-rate debt reflect current market conditions for an instrument with similar terms and maturity, and as such, the carrying value of the Company’s long-term debt approximated its fair value as of March 31, 2024 and December 31, 2023.

Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2024

Accounting Policies [Abstract]

Schedule of Cash and Cash Equivalents


	March 31, 2024		December 31, 2023
	(in thousands)
Cash and cash equivalents	$	50,112	$	56,084
Restricted cash included in Other current assets	335		462
Restricted cash included in Other assets	5,035		4,923
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows	$	55,482	$	61,469

Schedule of Restrictions on Cash and Cash Equivalents


	March 31, 2024		December 31, 2023
	(in thousands)
Cash and cash equivalents	$	50,112	$	56,084
Restricted cash included in Other current assets	335		462
Restricted cash included in Other assets	5,035		4,923
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows	$	55,482	$	61,469

Financial Instruments and Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2024

Fair Value Disclosures [Abstract]

Schedule of Financial Instruments Measured at Fair Value


	March 31, 2024
	Level 1		Level 2		Level 3		Total
	(in thousands)
Assets:
Cash equivalents:
Money market funds	$	5,067	$	—	$	—	$	5,067
U.S. treasury securities	—		7,647		—		7,647
Commercial paper	—		12,568		—		12,568

Total cash equivalents	5,067		20,215		—		25,282
Marketable securities:

U.S. treasury securities	—		10,419		—		10,419
U.S. government agency bonds	—		1,980		—		1,980
Total marketable securities	—		12,399		—		12,399
Total assets at fair value	$	5,067	$	32,614	$	—	$	37,681


	December 31, 2023
	Level 1		Level 2		Level 3		Total
	(in thousands)
Assets:
Cash equivalents:
Money market funds	$	8,028	$	—	$	—	$	8,028
Commercial paper	—		14,954		—		14,954
U.S. treasury securities	—		7,976		—		7,976
U.S. government agency bonds	—		1,108		—		1,108
Total cash equivalents	8,028		24,038		—		32,066
Marketable securities:

U.S. treasury securities	—		7,405		—		7,405
U.S. government agency bonds	—		695		—		695
Total marketable securities	—		8,100		—		8,100
Total assets at fair value	$	8,028	$	32,138	$	—	$	40,166

The following tables summarize the cost, gross unrealized gains, gross unrealized losses and fair value of the marketable securities as of March 31, 2024 and December 31, 2023:


	March 31, 2024
	Cost or Amortized Cost		Unrealized				Fair Value
			Gains		Losses
	(in thousands)

U.S. treasury securities	$	10,421	$	—	$	(2)	$	10,419
U.S. government agency bonds	1,983		—		(3)		1,980
Total	$	12,404	$	—	$	(5)	$	12,399


	December 31, 2023
	Cost or Amortized Cost		Unrealized				Fair Value
			Gains		Losses
	(in thousands)

U.S. treasury securities	$	7,403	$	2	$	—	$	7,405
U.S. government agency bonds	695		—		—		695
Total	$	8,098	$	2	$	—	$	8,100

Property and Equipment, Net (Tables)

3 Months Ended

Mar. 31, 2024

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment, Net

Property and equipment, net consisted of the following:


	March 31, 2024		December 31, 2023
	(in thousands)
Property and equipment, at cost:
Machinery and equipment	$	79,166	$	79,273
Leasehold improvements	27,993		27,620
Internal-use software	12,263		11,284
Computers and software	7,756		8,260
Construction in progress	6,865		6,542
Furniture and fixtures	2,571		2,574
Total property and equipment, at cost	136,614		135,553
Less: accumulated depreciation and amortization	(51,531)		(47,881)
Property and equipment, net	$	85,083	$	87,672

Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets

The gross carrying amounts and accumulated amortization of the Company’s intangible assets with determinable lives as of March 31, 2024 and December 31, 2023 were as follows:


		March 31, 2024
	Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(in years)	(in thousands)
Customer relationships	8	$	4,849	$	(1,498)	$	3,351
Developed technology	3	4,569		(3,776)		793
Trademarks	9	4,389		(1,204)		3,185
Total		$	13,807	$	(6,478)	$	7,329


		December 31, 2023
	Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(in years)	(in thousands)
Customer relationships	8	$	4,965	$	(1,386)	$	3,579
Developed technology	3	4,679		(3,482)		1,197
Trademarks	9	4,494		(1,114)		3,380
Total		$	14,138	$	(5,982)	$	8,156

Balance Sheet Components (Tables)

3 Months Ended

Mar. 31, 2024

Balance Sheet Related Disclosures [Abstract]

Schedule of Inventory

Inventories consisted of the following:


	March 31, 2024		December 31, 2023
	(in thousands)
Work in process	$	1,779	$	3,333
Finished goods	9,803		12,354
Total	$	11,582	$	15,687

Schedule of Other Current Liabilities

Accrued and other current liabilities consisted of the following:


	March 31, 2024		December 31, 2023
	(in thousands)
Gift card and site credit liabilities	$	12,129	$	11,407
Accrued compensation	6,505		4,092
Accrued vendor liabilities	4,937		4,080
Accrued taxes	4,733		4,967
Allowance for returns	4,155		3,817
Deferred revenue	3,730		6,377
Accrued other	1,352		1,194
Total	$	37,541	$	35,934

Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2024

Debt Disclosure [Abstract]

Schedule of Maturities of Long-Term Debt

As of March 31, 2024, the future annual principal payments of the Term Loan were as follows:


	Amount
	(in thousands)
2024 (Remaining nine months)	$	3,000
2025	4,000
2026	4,000
2027	14,333

Total principal payments	25,333
Less: unamortized debt discount	(446)
Less: current portion of long-term debt	(3,843)
Non-current portion of long-term debt	$	21,044

Common Stock and Stockholders’ Equity (Tables)

3 Months Ended

Mar. 31, 2024

Equity [Abstract]

Schedule of Common Stock Issued and Outstanding

The table below summarizes the Class A common stock and Class B common stock authorized, issued and outstanding as of March 31, 2024 and December 31, 2023:


	March 31, 2024
	Authorized	Issued and Outstanding
	(in thousands)
Class A common stock	1,000,000	80,273
Class B common stock	120,000	29,944
Total	1,120,000	110,217


	December 31, 2023
	Authorized	Issued and Outstanding
	(in thousands)
Class A common stock	1,000,000	78,830
Class B common stock	120,000	29,954
Total	1,120,000	108,784

Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Stock-Based Compensation Expense

The following table provides information about stock-based compensation expense by financial statement line item:


	Three Months Ended
	March 31, 2024		March 31, 2023
	(in thousands)
Operations, product, and technology	$	2,571	$	3,671
Marketing	202		1,205
Sales, general, and administrative	4,438		4,515
Total stock-based compensation expense	$	7,211	$	9,391

Schedule of Stock Option Activity

The following table summarizes the activities for all stock options under the Company’s share-based compensation plans for the three months ended March 31, 2024:


	Number of Options Outstanding	Weighted-Average Exercise Price Per Share		Weighted-Average Remaining Contractual Life	Aggregate Intrinsic Value (1)
	(in thousands)				(in thousands)
Outstanding as of December 31, 2023	16,247	$	1.99	4.14 years	$	5,861
Granted	—	$	—
Exercised	(56)	$	1.44
Forfeited or expired	(88)	$	2.29
Outstanding as of March 31, 2024	16,103	$	1.99	3.84 years	$	2,539
Exercisable as of March 31, 2024	14,977	$	1.97	3.65 years	$	2,539

(1)The intrinsic value is the amount by which the current market value of the underlying stock exceeds the exercise price of the stock awards.

Schedule of Restricted Stock Unit Activity

The following table summarizes the activities for all restricted stock units (“RSUs”) under the Company’s share-based compensation plans for the three months ended March 31, 2024:


	Number of Shares	Weighted-Average Grant Date Fair Value Per Share
	(in thousands)
Outstanding and nonvested as of December 31, 2023	8,538	$	4.39
Granted	5,058	$	1.98
Vested	(1,638)	$	4.25
Forfeited	(970)	$	5.21
Outstanding and nonvested as of March 31, 2024	10,988	$	3.23

Loss Per Share (Tables)

3 Months Ended

Mar. 31, 2024

Earnings Per Share [Abstract]

Schedule of Antidilutive Securities Excluded from Computation of Loss Per Share

The following participating securities have been excluded from the computation of diluted loss per share for the periods presented because including them would have been anti-dilutive:


	March 31, 2024	March 31, 2023
	(in thousands)
Outstanding stock options	16,103	17,569
Restricted stock units	10,988	14,615
Delayed share issuance related to acquisition	—	130
Employee stock purchase plan	216	152
Total	27,307	32,466

Significant Accounting Policies - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Revenue from External Customer [Line Items]
Customer liability	$ 12,129		$ 11,407
Coupon Rewards
Revenue from External Customer [Line Items]
Performance obligation, expiration period	6 months
Loyalty Program
Revenue from External Customer [Line Items]
Revenue recognized	$ 3,700	$ 2,100
Loyalty Program \| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01
Revenue from External Customer [Line Items]
Revenue, remaining performance obligation, expected timing of satisfaction, period	12 months
Loyalty Program \| Transferred over Time
Revenue from External Customer [Line Items]
Customer liability	$ 1,600		3,100
Loyalty Points
Revenue from External Customer [Line Items]
Performance obligation, expiration period	12 months
Gift Card
Revenue from External Customer [Line Items]
Customer liability	$ 6,900		6,600
Revenue recognized	$ 300	500
Conversion period	1 year
Gift Card Breakage
Revenue from External Customer [Line Items]
Revenue recognized	$ 1,300	0
Site Credit
Revenue from External Customer [Line Items]
Customer liability	$ 5,200		$ 4,800
Conversion period	1 year
Revenue recognized from the redemption	$ 13,500	$ 9,400

Significant Accounting Policies - Schedule of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Accounting Policies [Abstract]
Cash and cash equivalents	$ 50,112	$ 56,084
Restricted cash included in Other current assets	335	462
Restricted cash included in Other assets	5,035	4,923
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows	$ 55,482	$ 61,469	$ 56,761	$ 44,051

Financial Instruments and Fair Value Measurements – Schedule of Financial Instruments Measured at Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Marketable securities:
Total marketable securities	$ 12,399	$ 8,100
Fair Value, Recurring
Cash equivalents:
Total cash equivalents	25,282	32,066
Marketable securities:
Total marketable securities	12,399	8,100
Total assets at fair value	37,681	40,166
Fair Value, Recurring \| U.S. treasury securities
Marketable securities:
Total marketable securities	10,419	7,405
Fair Value, Recurring \| U.S. government agency bonds
Marketable securities:
Total marketable securities	1,980	695
Fair Value, Recurring \| Money market funds
Cash equivalents:
Total cash equivalents	5,067	8,028
Fair Value, Recurring \| U.S. treasury securities
Cash equivalents:
Total cash equivalents	7,647	7,976
Fair Value, Recurring \| Commercial paper
Cash equivalents:
Total cash equivalents	12,568	14,954
Fair Value, Recurring \| U.S. government agency bonds
Cash equivalents:
Total cash equivalents		1,108
Level 1 \| Fair Value, Recurring
Cash equivalents:
Total cash equivalents	5,067	8,028
Marketable securities:
Total marketable securities	0	0
Total assets at fair value	5,067	8,028
Level 1 \| Fair Value, Recurring \| U.S. treasury securities
Marketable securities:
Total marketable securities	0	0
Level 1 \| Fair Value, Recurring \| U.S. government agency bonds
Marketable securities:
Total marketable securities	0	0
Level 1 \| Fair Value, Recurring \| Money market funds
Cash equivalents:
Total cash equivalents	5,067	8,028
Level 1 \| Fair Value, Recurring \| U.S. treasury securities
Cash equivalents:
Total cash equivalents	0	0
Level 1 \| Fair Value, Recurring \| Commercial paper
Cash equivalents:
Total cash equivalents	0	0
Level 1 \| Fair Value, Recurring \| U.S. government agency bonds
Cash equivalents:
Total cash equivalents		0
Level 2 \| Fair Value, Recurring
Cash equivalents:
Total cash equivalents	20,215	24,038
Marketable securities:
Total marketable securities	12,399	8,100
Total assets at fair value	32,614	32,138
Level 2 \| Fair Value, Recurring \| U.S. treasury securities
Marketable securities:
Total marketable securities	10,419	7,405
Level 2 \| Fair Value, Recurring \| U.S. government agency bonds
Marketable securities:
Total marketable securities	1,980	695
Level 2 \| Fair Value, Recurring \| Money market funds
Cash equivalents:
Total cash equivalents	0	0
Level 2 \| Fair Value, Recurring \| U.S. treasury securities
Cash equivalents:
Total cash equivalents	7,647	7,976
Level 2 \| Fair Value, Recurring \| Commercial paper
Cash equivalents:
Total cash equivalents	12,568	14,954
Level 2 \| Fair Value, Recurring \| U.S. government agency bonds
Cash equivalents:
Total cash equivalents		1,108
Level 3 \| Fair Value, Recurring
Cash equivalents:
Total cash equivalents	0	0
Marketable securities:
Total marketable securities	0	0
Total assets at fair value	0	0
Level 3 \| Fair Value, Recurring \| U.S. treasury securities
Marketable securities:
Total marketable securities	0	0
Level 3 \| Fair Value, Recurring \| U.S. government agency bonds
Marketable securities:
Total marketable securities	0	0
Level 3 \| Fair Value, Recurring \| Money market funds
Cash equivalents:
Total cash equivalents	0	0
Level 3 \| Fair Value, Recurring \| U.S. treasury securities
Cash equivalents:
Total cash equivalents	0	0
Level 3 \| Fair Value, Recurring \| Commercial paper
Cash equivalents:
Total cash equivalents	$ 0	0
Level 3 \| Fair Value, Recurring \| U.S. government agency bonds
Cash equivalents:
Total cash equivalents		$ 0

Financial Instruments and Fair Value Measurements - Schedule of Amortized Cost, Unrealized Gain (Loss), and Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Marketable securities:
Cost or Amortized Cost	$ 12,404	$ 8,098
Unrealized Gains	0	2
Unrealized Losses	(5)	0
Fair Value	12,399	8,100
U.S. treasury securities
Marketable securities:
Cost or Amortized Cost	10,421	7,403
Unrealized Gains	0	2
Unrealized Losses	(2)	0
Fair Value	10,419	7,405
U.S. government agency bonds
Marketable securities:
Cost or Amortized Cost	1,983	695
Unrealized Gains	0	0
Unrealized Losses	(3)	0
Fair Value	$ 1,980	$ 695

Financial Instruments and Fair Value Measurements - Narrative (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities	$ 12,399	$ 8,100
Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities	$ 12,399	$ 8,100

Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	$ 136,614	$ 135,553
Less: accumulated depreciation and amortization	(51,531)	(47,881)
Property and equipment, net	85,083	87,672
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	79,166	79,273
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	27,993	27,620
Internal-use software
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	12,263	11,284
Computers and software
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	7,756	8,260
Construction in progress
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	6,865	6,542
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	$ 2,571	$ 2,574

Property and Equipment, Net - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Property, Plant and Equipment [Abstract]
Depreciation	$ 4.3	$ 3.0

Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 11,677		$ 11,957
Amortization expense	$ 600	$ 600

Goodwill and Other Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 13,807	$ 14,138
Accumulated Amortization	(6,478)	(5,982)
Net Carrying Amount	$ 7,329	$ 8,156
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Amortization Period	8 years	8 years
Gross Carrying Amount	$ 4,849	$ 4,965
Accumulated Amortization	(1,498)	(1,386)
Net Carrying Amount	$ 3,351	$ 3,579
Developed technology
Finite-Lived Intangible Assets [Line Items]
Amortization Period	3 years	3 years
Gross Carrying Amount	$ 4,569	$ 4,679
Accumulated Amortization	(3,776)	(3,482)
Net Carrying Amount	$ 793	$ 1,197
Trademarks
Finite-Lived Intangible Assets [Line Items]
Amortization Period	9 years	9 years
Gross Carrying Amount	$ 4,389	$ 4,494
Accumulated Amortization	(1,204)	(1,114)
Net Carrying Amount	$ 3,185	$ 3,380

Balance Sheet Components - Schedule of Inventory (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Balance Sheet Related Disclosures [Abstract]
Work in process	$ 1,779	$ 3,333
Finished goods	9,803	12,354
Total	$ 11,582	$ 15,687

Balance Sheet Components - Schedule of Other Current Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Balance Sheet Related Disclosures [Abstract]
Gift card and site credit liabilities	$ 12,129	$ 11,407
Accrued compensation	6,505	4,092
Accrued vendor liabilities	4,937	4,080
Accrued taxes	4,733	4,967
Allowance for returns	4,155	3,817
Deferred revenue	3,730	6,377
Accrued other	1,352	1,194
Total	$ 37,541	$ 35,934

Long-Term Debt - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Dec. 31, 2023	Mar. 31, 2024	Mar. 31, 2023	Feb. 28, 2019
Debt Instrument [Line Items]
Repayment of debt		$ 1,000	$ 1,000
Medium-term Notes
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 48,800
Medium-term Notes \| Equipment
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 22,500
Term Loan \| Medium-term Notes
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 40,000
Debt instrument, floor percentage	4.75%
Effective interest rate	10.73%	10.73%
Borrowed amount		$ 0	0
Repayment of debt		1,000	1,000
Principal outstanding	$ 26,300	25,300
Interest costs incurred relating to the term loan		700	700
Interest costs capitalized as part of an asset		$ 0	$ 600
Term Loan \| Medium-term Notes \| Prime Rate
Debt Instrument [Line Items]
Variable interest rate	1.25%

Long-Term Debt - Schedule of Maturities of Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt Disclosure [Abstract]
2024 (Remaining nine months)	$ 3,000
2025	4,000
2026	4,000
2027	14,333
Total principal payments	25,333
Less: unamortized debt discount	(446)
Less: current portion of long-term debt	(3,843)	$ (3,838)
Non-current portion of long-term debt	$ 21,044	$ 22,006

Common Stock and Stockholders’ Equity - Narrative (Details)	3 Months Ended
	Mar. 31, 2024 vote shares
Class of Stock [Line Items]
Conversion of stock (in shares) \| shares	1
Class A common stock
Class of Stock [Line Items]
Number of votes for each share	1
Class B common stock
Class of Stock [Line Items]
Number of votes for each share	10

Common Stock and Stockholders’ Equity - Schedule of Common Stock Issued and Outstanding (Details) - shares	Mar. 31, 2024	Dec. 31, 2023
Class of Stock [Line Items]
Authorized (in shares)	1,120,000,000	1,120,000,000
Issued (in shares)	110,217,000	108,784,000
Outstanding (in shares)	110,217,000	108,784,000
Class A common stock
Class of Stock [Line Items]
Authorized (in shares)	1,000,000,000	1,000,000,000
Issued (in shares)	80,273,000	78,830,000
Outstanding (in shares)	80,273,000	78,830,000
Class B common stock
Class of Stock [Line Items]
Authorized (in shares)	120,000,000	120,000,000
Issued (in shares)	29,944,000	29,954,000
Outstanding (in shares)	29,944,000	29,954,000

Stock-Based Compensation - Schedule of Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock-based compensation expense	$ 7,211	$ 9,391
Operations, product, and technology
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock-based compensation expense	2,571	3,671
Marketing
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock-based compensation expense	202	1,205
Sales, general, and administrative
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock-based compensation expense	$ 4,438	$ 4,515

Stock-Based Compensation - Schedule of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Number of Options Outstanding
Options outstanding, beginning balance (in shares)	16,247,000
Options granted (in shares)	0
Options exercised (in shares)	(56,000)
Options forfeited or expired (in shares)	(88,000)
Options outstanding, ending balance (in shares)	16,103,000	16,247,000
Options exercisable (in shares)	14,977,000
Weighted-Average Exercise Price Per Share
Beginning balance (in dollars per share)	$ 1.99
Options granted (in dollars per share)	0
Options exercised (in dollars per share)	1.44
Options forfeited or expired (in dollars per share)	2.29
Ending balance (in dollars per share)	1.99	$ 1.99
Options exercisable (in dollars per share)	$ 1.97
Weighted-Average Remaining Contractual Life
Options outstanding	3 years 10 months 2 days	4 years 1 month 20 days
Options exercisable	3 years 7 months 24 days
Aggregate Intrinsic Value
Options outstanding	$ 2,539	$ 5,861
Options exercisable	$ 2,539

Stock-Based Compensation - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation capitalized costs	$ 0.0	$ 0.0
Total intrinsic value of stock options exercised	0.0	0.0
Outstanding stock options
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Unrecognized compensation expense	$ 0.8
Weighted average period unrecognized stock-based compensation expense	9 months 29 days
Restricted stock units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Unrecognized compensation expense	$ 32.4
Weighted average period unrecognized stock-based compensation expense	1 year 11 months 8 days
Stock-based compensation vesting expense	$ 3.5	$ 8.0
Award vesting period (in years)		3 years	4 years
Accelerated compensation expense		$ 2.4

Stock-Based Compensation - Schedule of RSU Activity (Details) - Restricted stock units shares in Thousands	3 Months Ended
	Mar. 31, 2024 $ / shares shares
Number of Shares
Outstanding at beginning of period (in shares) \| shares	8,538
Granted (in shares) \| shares	5,058
Vested (in shares) \| shares	(1,638)
Forfeited (in shares) \| shares	(970)
Outstanding at end of period (in shares) \| shares	10,988
Weighted-Average Grant Date Fair Value Per Share
Outstanding at beginning of period (in dollars per share) \| $ / shares	$ 4.39
Granted (in dollars per share) \| $ / shares	1.98
Vested (in dollars per share) \| $ / shares	4.25
Forfeited (in dollars per share) \| $ / shares	5.21
Outstanding at end of period (in dollars per share) \| $ / shares	$ 3.23

Loss Per Share (Details) - shares shares in Thousands	3 Months Ended
Loss Per Share (Details) - shares shares in Thousands	Mar. 31, 2024	Mar. 31, 2023
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total (in shares)	27,307	32,466
Outstanding stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total (in shares)	16,103	17,569
Restricted stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total (in shares)	10,988	14,615
Delayed share issuance related to acquisition
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total (in shares)	0	130
Employee stock purchase plan
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total (in shares)	216	152

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