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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934

June 5, 2024 (May 31, 2024)
Date of Report (date of earliest event reported)

LUMOS PHARMA, INC.
(Exact name of registrant as specified in its charter)
Delaware
001-35342
42-1491350
(State or other jurisdiction of incorporation or organization)
(Commission File Number)
(I.R.S. Employer Identification No.)
4200 Marathon Blvd., Suite 200
Austin, Texas 78756
(Address of Principal Executive Offices)
(512) 215-2630
Registrant's telephone number, including area code


Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered
Common StockLUMOThe Nasdaq Stock Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
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.


Item 5.07    Submission of Matters to a Vote of Security Holders.

The 2024 Annual Meeting of Stockholders (the "2024 Annual Meeting") of Lumos Pharma, Inc. (the “Company”) was held May 31, 2024, for the following purposes:
•To elect the nominees for director, Chad A. Johnson and Lota S. Zoth, nominated by the Board of Directors of the Company (the “Board”), to serve until the 2027 Annual Meeting of Stockholders;
•To approve, on a non-binding, advisory basis, the compensation of the Company’s named executive officers as disclosed in the Company’s definitive proxy statement, filed with the Securities and Exchange Commission on April 12, 2024 (the “Proxy Statement”);
•To select, on a non-binding, advisory basis, the frequency of how often the approval of the compensation of our named executive officers will be presented to our stockholders; and
•To ratify the selection by the Audit Committee of the Board of KPMG, LLP as the independent registered public accounting firm of the Company for its fiscal year ending December 31, 2024.

At the meeting, the stockholders of the Company:
•elected Chad A. Johnson and Lota S. Zoth as directors of the Company;
•approved, on a non-binding, advisory basis, the compensation of the Company’s named executive officers, as set forth in the Proxy Statement;
•approved, on a non-binding, advisory basis, the frequency of every one year for the frequency of future advisory votes on the compensation of the Company's named executive officers; and
•ratified the appointment of KPMG, LLP as the Company’s independent registered public accounting firm for the Company’s fiscal year ending December 31, 2024.

The final voting results on each of the matters submitted to a vote of stockholders at the 2024 Annual Meeting are as follows:

Election of DirectorsForWithheldBroker Non-Votes
1.Chad A. Johnson3,531,517544,3272,434,840
Lota S. Zoth4,055,73720,1072,434,840

ForAgainstAbstentionsBroker Non-Votes
2.Approval, on an advisory basis, of the compensation of the Company’s named executive officers3,590,99429,097455,7532,434,840

1 year2 years3 yearsAbstentionsBroker Non-Votes
3.Approval, on an advisory basis, of the frequency of future advisory votes on the compensation of the Company's named executive officers3,278,5616,685335,737454,8612,434,840

Based on these results and the recommendation of the Board in the Proxy Statement for the 2024 Annual Meeting, the Company will conduct an advisory vote on the compensation of its named executive officers once every year until such time as the next advisory vote on the preferred frequency of advisory votes on executive compensation is submitted to stockholders.
ForAgainstAbstentions
4.Ratification of KPMG, LLP as independent registered public accounting firm for the Company’s fiscal year ending December 31, 20246,050,515457,8022,367









Item 7.01    Regulation FD Disclosure.

On June 4, 2024, the Company issued a press release titled "Lumos Pharma Announces New Analyses of Phase 2 OraGrowtH212 Trial Presented at ENDO 2024."

A copy of the press release and an updated corporate slide deck are attached hereto as Exhibit 99.1 and Exhibit 99.2 and are incorporated herein by reference.

The information in this Item 7.01, including Exhibit 99.1 and Exhibit 99.2 incorporated by reference herein shall not be deemed “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to the liabilities of that section. This information shall not be deemed to be incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.






















































Item 9.01    Financial Statements and Exhibits.

(d) Exhibits.


Exhibit NumberDescription
99.1
99.2
104Cover Page Interactive Data File (formatted as Inline XBRL)


















































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 hereunto duly authorized.
Dated:    June 5, 2024



LUMOS PHARMA, INC.,
a Delaware corporation
By:/s/ Richard J. Hawkins
  Richard J. Hawkins
Its:  Chief Executive Officer


Exhibit 99.1

Lumos Pharma Announces New Analyses of Phase 2
OraGrowtH212 Trial Presented at ENDO 2024
AUSTIN, TX, June 4, 2024 (GLOBE NEWSWIRE) – Lumos Pharma, Inc. (NASDAQ:LUMO), a clinical-stage biopharmaceutical company focused on therapeutics for rare diseases, announced today details of new analyses of data from its Phase 2 OraGrowtH212 clinical trial presented in two posters at the 2024 Annual Meeting of the Endocrine Society (ENDO), held in Boston, MA, June 1-4, 2024. The posters were presented in parallel sessions on Monday June 3, 2024.
“The new analyses of data from our OraGrowtH212 Trial further characterized LUM-201’s unique ability to augment the natural pulsatile secretion of growth hormone, producing comparable growth to injectable rhGH with significantly less exposure to circulating growth hormone,” said John C. McKew, PhD, President and Chief Scientific Officer of Lumos Pharma. “The presented results also provide additional support for our planned approach to a placebo-controlled Phase 3 trial of LUM-201 in moderate PGHD, a trial design proposed by the FDA as an appropriate option for oral LUM-201 given its differentiated mechanism as a growth hormone secretagogue.”
In the poster MON-111, titled, Oral LUM-201 Restores Pulsatile Growth Hormone Secretion and Growth Response in Moderate Pediatric Growth Hormone Deficiency (PGHD): Key Discoveries from Phase 2 of OraGrowtH212 Trial (Cassorla, F, et al) [poster link], investigators evaluated growth hormone pulsatility data obtained at baseline and at six months following treatment with LUM-201.
•Results showed that at six months on LUM-201, a significant increase over baseline in key parameters was observed for the 1.6 mg/kg/day dose. At baseline GH secretion was 0.19 ±0.09 μg/kg/12-hrs; pulsatile GH was 1.17 ±0.66 μg/kg/12-hrs; and total GH was 1.35 ±0.66 μg/kg/12-hrs.
•At 6 months each parameter increased significantly: GH secretion to 0.36 ±0.21 μg/kg/12-hrs, pulsatile GH to 1.8 ±0.74 μg/kg/12-hrs, and total GH to 2.2 ±0.89 μg/kg/12-hrs
•A similar level of increase was observed in the 3.2 mg/kg/day dose cohort
•Investigators combined data from both dose cohorts and conducted a deconvolution analysis on GH secretion. It was determined that at six months GH secretion was 3.3 ±1.8 to 4.4 ±2.1 μg/kg/day compared to 5.0 ±1.3 μg/kg/day derived from published data in normal children, indicating restoration of approximately normal GH secretion by LUM-201.
•Conclusion – at 6 months LUM-201 was able to restore endogenous GH pulsatile secretion to a similar level seen in normal children while also normalizing serum IGF-1 concentrations. Results indicate that by restoring endogenous GH secretion, LUM-201 facilitates growth utilizing a much lower amount of GH than that provided by daily exogenous rhGH. By providing an oral therapy that attains physiological GH profiles, investigational LUM-201 treatment aligns with the fundamental objectives of endocrine therapies, specifically the restoration of normal hormonal homeostasis.

In a late-breaking poster (MON-704) titled, Growth Response to Oral Growth Hormone Secretagogue LUM-201 in Children with Moderate GH Deficiency (GHD) is Dependent on the Pattern of Pulsatile GH Secretion Stimulated by LUM-201 (Stevens, A, et al), [poster link], investigators evaluated pulsatile GH profiles and growth response to LUM-201.
•Data from OraGrowtH212 pulse assessments at Day 1 (D1) and at 6 months (M6) were analyzed utilizing a univariate Spearman’s rank correlations matrix to screen for relationships between D1 characteristics, D1 height velocity, 6M Annualized Height Velocity and interpulse, pulsatile, and total GH secretion at D1 and M6.
•The 12-hour pattern of pulsatile secretion was characterized using Functional Principal Component Analysis (FPCA) to identify dominant modes of variation in the functional data. Subjects were grouped into tertiles based on 6M AHV. The 12-hour profiles were grouped into three 4-hour intervals.
•Results:
oAll parameters increased from D1 to M6
oD1 pulsatile GH secretion was positively associated with D1 AHV
oWhile 6M AHV increased compared to baseline, GH Secretion at D1 and M6 was not apparently correlated with 6M AHV


Exhibit 99.1
oIn the FPCA, difference in interquartile range (IQR) for mean GH secretion was highest in 0-4 hrs in subjects in the high and medium AHV tertiles, while subjects with low AHV at 6 months had the highest difference at 8-12 hours
•Conclusions – LUM-201 stimulates significant increases in GH secretion over 6 months in patients with moderate PGHD. The relationship between growth response and both the amount and pattern of pulsatile GH secretion, with the highest growth observed in OraGrowtH212 associated with greatest pulsatile activity early in the 12 hour profile. Restoring GH secretion with LUM-201 in moderate PGHD results in both an increase in the overall amount of GH, and importantly, an alteration of the pattern of the pulse profile, with distinct differences in these patterns between the best and lower responders.
About Lumos Pharma
Lumos Pharma, Inc. is a clinical stage biopharmaceutical company focused on the development and commercialization of therapeutics for rare diseases. The Company was founded and is led by a management team with longstanding experience in rare disease drug development. Lumos Pharma’s lead therapeutic candidate, LUM-201, is a novel, oral growth hormone (GH) secretagogue, seeking to transform the ~$4.7B global GH market from injectable to oral therapy. LUM-201 is currently being evaluated in multiple Phase 2 clinical studies in Pediatric Growth Hormone Deficiency (PGHD) and has received Orphan Drug Designation in both the US and EU. For more information, please visit https://lumos-pharma.com/.

Cautionary Note Regarding Forward-Looking Statements

This press release contains forward-looking statements of Lumos Pharma, Inc. that involve substantial risks and uncertainties. All such statements contained in this press release are forward-looking statements within the meaning of The Private Securities Litigation Reform Act of 1995. A law that, in part, gives us the opportunity to share our outlook for the future without fear of litigation if it turns out our predictions were not correct.

We are passionate about our business - including LUM-201 and the potential it may have to help patients in the clinic. This passion feeds our optimism that our efforts will be successful and bring about meaningful change for patients. Please keep in mind that actual results or events could differ materially from the plans, intentions and expectations disclosed in the forward-looking statements that we make.

We have attempted to identify forward-looking statements by using words such as “projected,” "upcoming," "will," “would,” "plan," “intend,” "anticipate," "approximate," "expect," “potential,” “imminent,” and similar references to future periods or the negative of these terms. Not all forward-looking statements contain these identifying words. Examples of forward-looking statements include, among others, statements we make regarding the advancement of oral LUM-201 to Phase 3, the potential for LUM-201 to be the first oral therapeutic for PGHD, and any other statements other than statements of historical fact.

We wish we were able to predict the future with 100% accuracy, but that just is not possible. Our forward-looking statements are neither historical facts nor assurances of future performance. You should not rely on any of these forward-looking statements and, to help you make your own risk determinations, we have provided an extensive discussion of risks that could cause actual results to differ materially from our forward-looking statements including risks related to the timing and ability of Lumos Pharma to structure our Phase 3 trial in an effective and timely manner, the ability to initiate and advance a pivotal Phase 3 trial, as well as advance our clinical and corporate strategy in general, our ability to project future cash utilization and reserves needed for contingent future liabilities and business operations, the ability to successfully develop our product candidate, the effects of pandemics, other widespread health problems or military conflicts including the Ukraine-Russia conflict and the Middle East conflict and other risks that could cause actual results to differ materially from those matters expressed in or implied by such forward-looking statements including information in the "Risk Factors" section and elsewhere in Lumos Pharma’s Quarterly Report on Form 10-Q for the period ended September 30, 2023, as well as other subsequent reports filed with the SEC. All of these documents are available on our website. Before making any decisions concerning our stock, you should read and understand those documents.

We anticipate that subsequent events and developments will cause our views to change. We may choose to update these forward-looking statements at some point in the future, however, we disclaim any obligation to do so. As a result, you should not rely on these forward-looking statements as representing our views as of any date subsequent to the date of this press release.


###


Exhibit 99.1
Investor & Media Contact:

Lisa Miller
Lumos Pharma Investor Relations
512-792-5454
ir@lumos-pharma.com

image_1.jpg

Source: Lumos Pharma, Inc.



1 Corporate & Clinical Overview May 2024

 
2 Forward Looking Statements This presentation contains forward-looking statements of Lumos Pharma, Inc. that involve substantial risks and uncertainties. All such statements contained in this presentation are forward- looking statements within the meaning of The Private Securities Litigation Reform Act of 1995. This law that, in part, gives us the opportunity to share our outlook for the future without fear of litigation if it turns out our predictions were not correct. We are passionate about our business - including LUM-201 and the potential it may have to help patients in the clinic. This passion feeds our optimism that our efforts will be successful and bring about meaningful change for patients. Please keep in mind that actual results or events could differ materially from the plans, intentions and expectations disclosed in the forward-looking statements that we make. We have attempted to identify forward-looking statements by using words such as “projected,” "upcoming," "will," “would,” "plan," “intend,” "anticipate," "approximate," "expect," “potential,” “imminent,” and similar references to future periods or the negative of these terms. Not all forward-looking statements contain these identifying words. Examples of forward-looking statements include, among others, statements we make regarding the plan to have an end-of-phase 2 meeting with the FDA in the first half of 2024 and the anticipated initiation of a Phase 3 program in the second half of 2024, our Phase 2 data providing a clear path to Phase 3 in PGHD, that PEMs enrich trials for patients likely to respond to LUM-201, the expected benefits to LUM-201, and any other statements other than statements of historical fact. We wish we were able to predict the future with 100% accuracy, but that just is not possible. Our forward-looking statements are neither historical facts nor assurances of future performance. You should not rely on any of these forward-looking statements and, to help you make your own risk determinations, we have provided an extensive discussion of risks that could cause actual results to differ materially from our forward-looking statements including risks related to the continued analysis of data from our LUM-201 Trials, the timing and outcome of our future interactions with regulatory authorities including our end of Phase 2 meeting with the FDA, the timing and ability of Lumos to raise additional equity capital as needed to fund our Phase 3 Trial, our ability to project future cash utilization and reserves needed for contingent future liabilities and business operations, the ability to structure and initiate our Phase 3 trial in an effective and timely manner, any statements regarding potential enrollment timelines, the ability to successfully develop our LUM-201 product candidate, the effects of pandemics, other widespread health problems or military conflicts including the Ukraine-Russia conflict and the Middle East conflict and other risks that could cause actual results to differ materially from those matters expressed in or implied by such forward-looking statements including information in the "Risk Factors" section and elsewhere in Lumos Pharma’s Annual Report on Form 10-K for the period ended December 31, 2023, as well as other reports filed with the SEC including our subsequent Quarterly Reports on Form 10-Q and Current Reports on Form 8-K. All of these documents are available on our website. Before making any decisions concerning our stock, you should read and understand those documents. We anticipate that subsequent events and developments will cause our views to change. We may choose to update these forward-looking statements at some point in the future, however, we disclaim any obligation to do so. As a result, you should not rely on these forward-looking statements as representing our views as of any date subsequent to the date of this presentation. 5.15.2024

 
3 • Positive End-of-Phase 2 meeting with FDA held early Q2 2024 regarding Phase 3 program • Initiation of Phase 3 trial anticipated Q4 2024 • PEM strategy de-risks patient selection, identifying likely LUM-201 responders*** • Phase 2 trials met all primary and secondary endpoints • Phase 2 data demonstrated LUM-201 produces significant increase in AHV vs baseline • Consistent PK/PD and attractive safety profile to date in > 1,300 subjects studied Investment Thesis Oral therapeutic candidate targeting $4.7 billion growth-disorder market Attractive Market Opportunity Novel Asset with Unique MOA • Global growth hormone (GH) market of ~$4.7 billion is primed for conversion to oral therapy • Lead indication, PGHD, is ~$1.5 billion global opportunity* • Market research supports rapid conversion to oral and potential expansion opportunities** • Oral LUM-201 novel MOA takes advantage of natural physiology • Orphan Drug Designation in US/EU and issued patents in major markets • IP protection through 2042 in the US for novel formulation Clear Proof of Concept in PGHD * Based on gross sales of rhGH worldwide ** Initial Primary Research of PGHD Market conducted for Lumos by Triangle Insights *** PEM (Predictive Enrichment Marker) investigational strategy consists of screening for PEM-positive PGHD patients = Baseline IGF-1 > 30 ng/ml & Peak stimulation GH ≥ 5 ng/ml from single oral dose of LUM-201 Potential for 1st oral therapeutic to disrupt injectable market for GHD Regulatory Path Clarity

 
4 Management – Significant Clinical Development and Commercial Experience Richard Hawkins Chairman & CEO Developed Growth Hormone (GH) Receptor Antagonist for Acromegaly at Sensus (sold to Pfizer). Built one of the first contract recombinant protein manufacturing facilities (Covance Biotechnology). Founder of Pharmaco, a pioneer in the contract research organization sector (merged with PPD). John McKew, PhD President & Chief Scientific Officer Prior VP of Research at aTyr Pharma – led team advancing protein-based therapeutics for rare diseases. Former Scientific Director, NIH - National Center for Advancing Translational Science (NCATS) and Therapeutics for Rare and Neglected Diseases (TRND). Lori Lawley, CPA Chief Financial Officer Former SVP, Finance and Controller at Lumos Pharma. Previously, SVP, Finance and Member of the Office of the CEO of NewLink Genetics. Prior to that, Senior Manager in Assurance Services at Ernst and Young. Pisit “Duke” Pitukcheewanont, MD Chief Medical Officer Pediatric endocrinologist and Professor, Clinical Pediatrics, Keck School of Medicine, USC. President, Human Growth Foundation. Former VP Medical Affairs and VP Global Medical Ambassador & Medical Education at Ascendis Pharma; project: long-acting TransCon GH. Former Advisory Board member at Pfizer, Ipsen, Alexion, Ultragenyx, Pharmacia, Serono, others. Aaron Schuchart, MBA Chief Business Officer Former Chief Business Officer of Aeglea BioTherapeutics. Former leadership roles in Business Development, Strategy, and Finance at Coherus Biosciences, Novartis Diagnostics/Grifols, and Amgen.

 
5 Market Opportunity for Oral LUM-201 ~$4.7B 2022 Market by Indication (Gross, including China, US$ MM) Low compliance Early discontinuation Low referral for moderate PGHD 75% 25% Interview Question: If a daily oral secretagogue and a weekly rhGH injectable product were both FDA-approved and available for use, which product would you prefer?1 67% 33%Daily Oral Weekly Injectable Initial Market expansion ~20-30% Organic growth ~6% Future GHD Therapeutic Market Expansion 2 GH Market Growth Daily rhGH Injections Physicians Caregivers 1 Initial Primary Research of PGHD Market conducted for Lumos by Triangle Insights. Physicians N = 20. Caregivers N = 9. 2 Includes ~$350M in China sales, indication undisclosed, and ~$65M in Japan sales, Other or Undetermined; also includes global sales for other short stature syndromes such as Noonan Syndrome, SHOX deficiency, cancer cachexia, etc. Source: Internal Lumos GH Market Assessment, based on: EvaluatePharma consensus estimates, GlobalData, “GHD Forecast”, 2021/04; Grand View Research, “hGH Market Analysis and Segment Forecast”, updated 2022 Q1; IQVIA/MIDAS; Japan Pricing Research (Satoru GK, 2023); Regional market participant interviews; Lumos/Akrolyth Analysis Expanded Market Opportunity Long-Acting GH + Oral Therapy PGHD $1,490 ISS $915 AGHD $540 Turner $710 PWS $240 SGA $250 Other * $530 $4.7B

 
6 LUM-201 Program Pipeline Study Pre-Clinical Phase 1 Phase 2 Phase 3 Status LUM-201 (Ibutamoren) in Moderate PGHD Dose-finding trial Phase 2 Topline Data met endpoints (Nov 2023) Positive End-of-Phase 2 meeting with FDA Long-term extension Long-term extension study for OraGrowtH Trials: Ongoing enrollment of patients from Phase 2 trials PK/PD trial Phase 2 Topline Data met endpoints (Nov 2023) Data confirms LUM-201’s pulsatile MOA Switch trial Switch trial evaluating LUM-201 in subjects from rhGH arm of OraGrowtH210 Trial: Ongoing LUM-201 in NAFLD Phase 2 pilot trial Pilot trial initiated by Mass Gen Hospital (MGH) evaluating LUM-201 in NAFLD: Enrolling Lumos Pharma is evaluating PWS, ISS, other indications for Phase 2 studies with LUM-201 PGHD Pediatric Growth Hormone Deficiency NAFLD Non-Alcoholic Fatty Liver Disease PWS = Prader-Willi Syndrome ISS = Idiopathic Short Stature MGH Trial supported by prior data evaluating rhGH in NAFLD: (ENDO 2022) JES, Volume 6, Issue Supplement_1, November-December 2022, Page A525, and JES, June 2023. MGH pilot trial

 
7 FDA End-of-Phase 2 Meeting Update Positive, constructive meeting with ~30 FDA staff in attendance Acknowledged that we are not a GH product – but a novel growth promotor Tone was collaborative and focused on approaches for a Phase 3 pivotal trial FDA suggested that a placebo-controlled Phase 3 trial design is an appropriate option for a GH secretagogue like LUM-201, subject to FDA review

 
8 Figure 1: Advanced Therapies in Pediatric Endocrinology and Diabetology. Endocr Dev. Basel, Karger, 2016 Figure 2: : Cassorla, F, et al. IMPE, March 2023; GH concentrations sampled every 10 minutes for 12-hour period at baseline and after six months of daily oral treatment * Merck 020 study LUM-201 Augments Endogenous Pulsatile Release of Growth Hormone Single Daily Bolus Injection of Exogenous rhGH Single Daily Dose of LUM- 201 (3.2 mg/kg/day) Figure 1 Figure 2 LUM-201 Value Proposition ➢ Daily oral therapy ➢ Normalizes GH and IGF-1 levels through increase in endogenous pulsatile release of Growth Hormone levels ➢ Consistent PD effect over 24 hours* ➢ MOA avoids risk of IGF-1 excursions ➢ Favorable investigational safety profile with >1,300 patients treated to date

 
9 LUM-201 Restores Natural Growth Hormone & IGF-1 Secretion • LUM-201 is an oral GH secretagogue* • Acts on specific receptors in hypothalamus and pituitary to stimulate release of GH1 • Increases the amplitude of natural pulsatile GH secretion, 2,3 normalizing GH levels after 6 months on therapy4 • LUM-201 stimulated GH release regulated by natural GH/IGF-1 feedback mechanisms • Differentiated mechanism versus exogenous injection of recombinant human growth hormone (rhGH) products LUM-201 mimics natural release of growth hormone (GH) Different from injections of synthetic GH 1 Howard 1996 Science 2 Nass 2008 Ann Intern Med 3 Chapman 1997 J Clin Endocrinol Metab 4 Supported by Lumos Pharma Topline Phase 2 Data * GH secretagogue = molecule that stimulates the secretion of growth hormone (GH) Liver

 
10 PEMs Enrich Trials for Patients Likely to Respond to LUM-201* Responders to LUM-2012 Non-Responders to LUM-201 Moderate PGHD PEM-Positive ~60% of total PGHD population1 Severe PGHD PEM-Negative ~40% of total PGHD population Predictive Enrichment Marker Positive (PEM+) • Baseline IGF-1 > 30 ng/ml • Stimulation LUM-201 peak GH ≥ 5 ng/ml • Functional but reduced HP-GH axis Predictive Enrichment Marker Negative (PEM ) • Baseline IGF-1 < 30 ng/ml • Stimulation LUM-201 peak GH < 5 ng/ml • Non-functional HP-GH axis Single Stimulation Dose Identifies LUM-201 Responders * PEM (Predictive Enrichment Marker) investigational strategy consists of screening for PEM-positive PGHD patients = Baseline IGF-1 > 30 ng/ml & Peak stimulation GH ≥ 5 ng/ml from single oral dose of LUM-201 1 Blum 2021 JES 2 Bright 2021 JES LUM-201 HP-GH axis – hypothalamic pituitary growth hormone axis

 
11 Phase 3 Trial Design Options Discussed with the FDA Lumos Submitted Non-Inferiority Study • LUM-201 vs rhGH control • 12-month duration • Non-inferiority margin o The lower bound of non-inferiority margin must be above the clinically meaningful AHV growth rate • LUM-201 vs placebo • 12-month duration o Must show clinically meaningful growth rate above the placebo growth rate o Potential benefit for placebo arm is an important design consideration • This presumably arose from their recognition of our unique mechanism of action compared to GH FDA suggested that a placebo-controlled Phase 3 trial is an appropriate option for a GH secretagogue such as LUM-201 AHV = Annualized Height Velocity Placebo-Controlled Study

 
12 Confidential • 12-month double-blind placebo-controlled trial in PEM+ PGHD patients o All placebo subjects cross over to LUM-201 at 6 months • ~150 subjects in global study across ~80-100 sites o 2:1 randomization – 1.6 mg/kg/day LUM-201:Placebo • Co-primary endpoints at 12 months: o LUM-201 arm at 12 months – lower bound of the 95%CI > 6.7 cm/yr AHV o Placebo crossover arm – pairwise comparison within-subject of LUM-201 AHV at 6-months vs. Placebo AHV at 6-months • LUM-201 at 6 months – lower bound of the 95%CI > 6.7 cm/yr AHV We believe a placebo-controlled Phase 3 trial increases the probability of success Proposed Placebo-Controlled Phase 3 Trial Design

 
13 12-month, 2:1 randomization, double-blind, single arm cross-over design with all placebo patients switched to LUM-201 at 6 months, who then continue for an additional 6 months on treatment Screening Up to 60 days LUM-201 1.6 mg/kg/day 12 months N ~100 Placebo control 6 months N= approximately 40 - 60 Months Remote Follow-up Contact 0 3 6 9 12 Randomization 2:1 Primary Endpoint Annualized Height Velocity at Month 12 1 month follow-up Selection with PEM test Cross to 1.6 mg/kg/day LUM-201 6 months LTSE for up to 3 years Placebo control 6 months N ~50 Cross to 1.6 g/ g/ ay 1 6 s LTSE = Long-term Safety Extension Cross-over from placebo to LUM-201 Proposed Placebo-Controlled Phase 3 Trial Design • PEM+ PGHD subjects • N ~150 total • 2:1 randomization • Global trial • ~80-100 sites • Co-primary endpoints at 12 months Placebo-Controlled Phase 3 Trial

 
14 Key Milestones Provide Clear Regulatory Pathway • Positive End-of-Phase 2 meeting with FDA supportive of registrational path forward o FDA recognized LUM-201, a growth hormone secretagogue, as a novel growth promoter o FDA acknowledged the use of a placebo-controlled clinical trial design as an appropriate option for a LUM-201 Phase 3 trial • Phase 3 initiation expected by year-end 2024 o Proposal of placebo-controlled design should reduce regulatory risk and improve likelihood of success Key Milestones Support Path for Oral LUM-201 to Disrupt Injectable GH Market

 
15 OraGrowtH210 Trial: Phase 2 Trial in Naïve Moderate PGHD n = ~20 Daily rhGH injection n = ~20 LUM-201: 3.2 mg/kg/day n = ~20 LUM-201: 1.6 mg/kg/day n = ~20 LUM-201: 0.8 mg/kg/day • n = 82 • PEM(+) PGHD subjects • Inclusion: stim GH ≥ 5 ng/ml and baseline IGF-1 >30 ng/ml • rhGH treatment naïve • ~45 trial sites US & International Study Objectives: • Prospectively confirm utility of PEM strategy • Evaluate reproducibility of PEM classification • Annualized Height Velocity (AHV) Goals: • Determine optimal dose for Phase 3 Primary Outcome Data (n = 82) – at 6 months on therapy Total Study Duration – 24 months Objectives TreatmentRandomizationScreening R Study not powered to show statistical non-inferiorityStudy n t powered to show statistical -inferiority

 
16 • PEM test ensures patients enrolled in the study are capable of secreting GH in response to a single-dose of LUM-201 • PEM test is highly reproducible • PEM-positive criteria: o PGHD patients with baseline IGF-1 > 30 ng/ml o Peak stimulated GH ≥ 5 ng/ml after a single 0.8 mg/kg dose of LUM-201 no enrich 0.8 PEM 1.6 PEM 3.2 PEM 0 50 100 Application of PEM enriched responder population % o f p o p u la ti o n responder non-responder 50/50 distribution 70/30 enrichment goal OraGrowtH210 Met Primary & Secondary Statistical Objectives: PEM Test Enriches the Responder Population & Yields Highly Reproducible Results Highlights Enrichment strategy demonstrated that >70% of PEM+ subjects met pre-specified target growth in 1.6 and 3.2 mg/kg/day cohorts PEM positive classification was 100% reproducible and exceeded pre-specified statistical objective PEM Test Reproducibility Subjects with Positive Agreement on PEM Tests 76/76 Reproducibility Rate 100% 95% Confidence Interval (95.3%, 100%)

 
17 OraGrowtH210: LUM-201 Growth Comparable to Multiple 12-Month Historical Datasets *Daily Genotropin control group for Somatrogon Ph3 dosed at 0.034 mg/kg/day (equates to 0.24 mg/kg/wk); subjects were stratified based on GH production during a standard stim test. JCEM Volume 107, Issue 7, July 2022, Pages e2717–e2728. 1. 6 m g/ kg 6m 1. 6 m g/ kg 12 m G eN eS IS iP G H D K IG S da ily g en ot ro pi n co nt ro l* ba se G H > 3 (n g/ m L) 0 5 10 15 9.3 8.68.38.38.08.2 12m ANCOVA vs contemporaries A n n u a li z e d H e ig h t V e lo c it y (c m /y r) mg/kg LUM-201 rhGH in Moderate GHD Population Phase 4 rhGH in Moderate GHD Population Phase 3 • AHVs range from 8.3-9.3 cm/yr in historical datasets of moderate PGHD patients treated with daily rhGH • LUM-201 AHVs of 8.2 and 7.6 cm/yr at 6 and 12 months, respectively, were in line with these historical rhGH growth rates in similar moderate patient populations Highlights † ANCOVA values represent an analysis of covariates incorporating multiple baseline demographic terms. LUM-201 at 6m PP and 12m PP. Twelve-month LUM-201 AHV updated to include preliminary analysis of full 12-month dataset. Bars represent Least Squares Mean (LSM); Error bars represent the Standard Error of LSM Sources: 1 Blum et al JES 2021, 2 Lechuga-Sancho et al JPEM 2009, 3 Ranke et al JCEM 2010 † 1 2 3 LUM-201 in Moderate GHD Phase 2 OraGrowtH210 N=22 N=13 N=433 N=100 N=3075 N=94 7.6 21 1.6 6m 12m

 
18 AHV at 6 & 12 Months on LUM-201 (1.6 mg/kg/day) Full OraGrowtH210 Data at 12 Months Demonstrate Significant Increase in Growth from Baseline, Durable Effect to 1 year, and Confirm Optimal LUM-201 Dose of 1.6 mg/kg/day A n n u a li z e d H e ig h t V e lo c it y (c m /y r) AHV at 12 Months on Treatment (All cohorts) Error bars represent Standard Error Measurement. base LUM-201 6m 0 4 8 12 n=22 8.2 n=13 4.7 6-month PP AHV A n n u a li z e d H e ig h t V e lo c it y (c m /y r) P < 0.0001 baseline 1.6mg LUM-201 12 month 0 4 8 12 21 7.6 13 4.7 12-month AHV PP12 cohort A n n u a li z e d H e ig h t V e lo c it y (c m /y r) <0.0001 1.6mg LUM-201 @ 6 months baseline N=21N=13N=22 N=13 1.6mg LUM-201 @ 12 months Significant increase in growth on 1.6 mg/kg/day LUM-201 vs baseline suggests this optimal LUM-201 dose is likely to demonstrate superior growth to placebo in Phase 3 trial

 
19 • n = 22 • Open-label study • Moderate PGHD patients • rhGH-treatment naïve • Dosing to near-adult height • Single, specialized clinical site in Santiago, Chile • Q10 minute GH sampling for 12 hours OraGrowtH212 Trial: PK/PD Trial in Naïve Moderate PGHD Study Endpoints: • Assess LUM-201 effect on endogenous GH pulsatility and Annualized Height Velocity (AHV) • Evaluate PK/PD in children Goals: • Confirm prior PK/PD data in adults & subset of Merck 020 trial • Support future regulatory filings & commercialization OraGrowtH212 was a single-site trial with a more homogenous patient population than larger international OraGrowtH210 Trial Objectives n = 11 - LUM-201: 3.2 mg/kg/day n = 11 - LUM-201: 1.6 mg/kg/day R TreatmentRandomizationScreening Primary Outcome Data (n = 22) – at 6 months on therapy Total Study Duration – Subjects on therapy to near adult height PK/PD = Pharmacokinetic / Pharmacodynamic

 
20 Full OraGrowtH212 Data at 12 Months Demonstrate Meaningful Growth from Baseline and Durable Effect to 1 year on Treatment Error bars represent Standard Error Measurement. AHV at 6 & 12 Months on Treatment (Combined 1.6 & 3.2 mg/kg/day LUM-201) vs Baseline AHV at 12 Months on Treatment vs Baseline bas el in e LU M -2 01 6 m onth s LU M -2 01 12 m onth s 0 5 10 n=22 6.9 n=22 7.5 n=21 4.4 C a lc u la te d A H V (c m /y r) A n n u a li z e d H e ig h t V e lo c it y (c m /y r) bas el in e 1. 6 LU M -2 01 6 m onth s 3. 2 LU M -2 01 6 m onth s 1. 6 LU M -2 01 12 m onth s 3. 2 LU M -2 01 12 m onth s 0 5 10 n=11 7.0 n=11 6.9 n=11 7.7 n=11 7.4 n=21 4.4 C a lc u la te d A H V (c m /y r) A n n u a li z e d H e ig h t V e lo c it y (c m /y r) n=11 n=11

 
21 0 200 400 600 800 0 1 2 3 4 5 Patient B Time (min) S e ru m G ro w th H o rm o n e (n g /m l) Baseline Month 6 Patient A Serum GH at Baseline & at 6 months on LUM-201 OraGrowtH212: LUM-201 Augments GH Pulses, Increases IGF-1 and Growth Rate Month 6 for Patient A (3.2 mg/kg/day) Baseline 6 months LUM-201 3.2 mg/kg/d IGF-1 (ng/ml) 48 111 % change from baseline* 131% Q10m 12h GH AUC0-12 (ng*hr/ml) 252.9 481.8 % change from baseline* 91% Height velocity (cm/yr) 4.4 9.4 *Percent change from baseline calculated as: (6mo value – baseline value) / (baseline value) AHV = Annualized Height Velocity LUM-201 raises AHV from baseline by augmenting pulsatile secretion of GH and increasing IGF-1

 
22 By Increasing Endogenous 24-hour Pulsatile GH Secretion, LUM-201 Achieved Similar Growth to Exogenous Injectable rhGH, with Only ~20% of GH Concentration Levels • LUM-201 increased GH to levels similar to a normal growing child • LUM-201 induced the release of ~20% of the GH from a 34 mcg/kg/day rhGH daily injection, equating to ~26% of GH compared to a 25 mcg/kg/day rhGH dose • Restoring pulsatility and 24-hr PD effect makes LUM-201 growth more GH efficient as it still captures majority of the growth on rhGH n o rm a l h e a lt h y P G H D L U M -2 0 1 b a s e li n e L U M -2 0 1 (G H D r a ti o ) L U M -2 0 1 (n o rm r a ti o ) rh G H (3 4 µ g /k g .d a y ) rh G H (2 5 µ g /k g .d a y ) 0 5 10 15 20 25 24-hr GH production 2 4 h r G H p ro d u c ti o n µ g /k g .1 2 h r A A B C C D D Data Sources/Calculations: A – Zadik et al Horm Res 1992, 24 hour concentrations calculated based on 12 hour measurement B – Combined 1.6 and 3.2 mg/kg/day cohorts in ‘210 and ‘212 studies C – 24-hour calculation from 12-hour data using both GHD factor and normal healthy factor D – Adapted from data in Albertsson-Wikland et al JCEM 1994; 24-hour exposures listed reflect absorbance/bioavailability of ~60% of the administered dose Approved rhGH dose range for PGHD

 
23 LUM-201 Normalizes IGF-1 SDS with Durable Effect out to 12 months OraGrowtH210 and OraGrowtH212 Topline Phase 2 Data Bars represent sample mean, and error bars represent Standard Error of the Mean baseline 0.8 1.6 3.2 rhGH -2 -1 0 1 2 9 0.74 0.14 -0.21 11 -0.48 41 -1.38 210 IGF-1 SDS 12m data PP12 IG F -1 S D S mg/kg LUM-201 n=11 n=12 base 1.6 6m 3.2 6m -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 11 0.47 0.14 22 -0.93 IGF-1 SDS - 6m cohort IG F -1 S D S n=11 0.0003 <0.0001 base 1.6 12m 3.2 12m -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 7 0.30 -0.03 15 -0.87 IGF-1 SDS - 12m cohort IG F -1 S D S n=8 0.0064 0.0004 OraGrowtH210 Trial OraGrowtH212 Trial OraGrowtH210 Trial IGF-1 SDS 6m data PP12 OraGrowtH210 Trial IGF-1 SDS 12m data PP12 OraGrowtH212 Trial IGF-1 SDS 6m data OraGrowtH212 Trial IGF-1 SDS 12m data • LUM-201 normalizes IGF-1 within 6 months with durable effect to 12 months • No subjects > 2 Standard Deviation Score (SDS) between 0 and 12 months baseline ba p p = p = p =

 
24 LUM-201 Data Suggests Sustained Durability of Response vs SOC rhGH OraGrowtH210 & OraGrowtH212 Combined (1.6 and 3.2 mg/kg LUM-201) • Preliminary data demonstrated LUM-201 AHV durable to 24 months • More moderate year 2 AHV decline than rhGH likely due to LUM-201 restoration of GH and IGF-1 to normal levels via pulsatile secretion Highlights AHV values from the OraGrowtH studies are based on ANCOVA model (details provided on previous slides) * At 24 months, data include a subset of subjects from OraGrowtH210 trial who met protocol criteria to continue past 12 months. ** Ranke et.al. 2010 – Pfizer KIGS database rhGH treated cohort of moderate prepubertal GHD children; mean AHV for the moderate GHD cohorts were 8.58 cm/yr in year 1 and 6.89 cm/yr in year 2. L U M - 2 0 1 y 2 v s y 1 r h G H * * y 2 v s y 1 -25 -20 -15 -10 -5 0 -19.7 -9.9 210 & 212 combined LUM-201 24m AHV PP24 P e rc e n t C h a n g e i n A H V fr o m Y e a r 1 t o Y e a r 2 LUM-201 12m LUM-201 24m rhGH** year 1 KIGS rhGH** year 2 KIGS 0 4 8 12 n=3075 6.9 n=3075 8.6 n=12 7.3 n=12 8.1 210+212 combined LUM201 AHV PP24 A n n u a li z e d H e ig h t V e lo c it y (c m /y r) (A H V ) * N=12 N=12 N N 210+21 co bined LUM-

 
25 Favorable Investigational Safety Profile from Topline OraGrowtH Trial Data Two subjects had an SAE between PEM dose and randomized dose: 1 subject in LUM-201 0.8 mg/kg cohort and 1 subject in rhGH cohort • Both SAEs likely due to effect of fasting prior to administration of PEM dose Favorable Investigational Safety Profile • No meaningful treatment-related Serious Adverse Events (SAEs) • No drop-outs due to SAEs or AEs • No meaningful safety signals observed in laboratory values, adverse events data, or in EKG values to date • Treatment related AEs in 1.6 and 3.2 groups: • Increased appetite (23), Pain in extremity (7), Arthralgia (5)

 
26 Summary of Topline and Updated Phase 2 Data • Topline Phase 2 data met all primary and secondary endpoints • PEM test was reproducible and predicted response to LUM-201 • Oral LUM-201 significantly increased growth rates from baseline • LUM-201 restored normal GH secretion and IGF-1 levels through increased amplitude of GH pulsatility • LUM-201 promoted growth similar to injectable rhGH with only 20% of GH concentration levels • Preliminary 24-month data demonstrated sustained growth on LUM-201 • Favorable investigational safety profile to date OraGrowtH210 and OraGrowtH212 Phase 2 Topline Data1 1 Topline data as announced November 2023. 2 Updated data include full 12-month AHV data for OraGrowtH210 and OraGrowtH212 trials plus additional combined 24-month AHV data announced Q2 2024. • Updated OraGrowtH data corroborate prior data showing durable LUM-201 treatment effect o Significant increase in growth from baseline at 6 and 12 months on LUM-201 o LUM-201 continues to demonstrate durability of response to 12 and 24 months Updated OraGrowtH210 and OraGrowtH212 Data2

 
27 Commercial Appeal of Oral LUM-201 o Oral therapy preferred over injections for pediatric GHD and should expand the market1,2 o LUM-201 growth rates more stable vs rhGH over time3,4,5 o Daily rhGH growth rate declines ~20% from year 1 to year 2 in moderate PGHD population4,5 o Year 1 to year 2 growth decline in LUM-201 treated subjects was 10% in similar population4,5 o Restores natural pulsatile GH release without IGF-1 excursions3,4 o Normalizes growth rates at ~20% of GH exposure of injectable rhGH4,5 o Cost of goods less than injectable rhGH Potential Advantages of Oral LUM-201 Over Current Injectable rhGH o PWS & ISS: LUM-201 has potential to treat up to 11 indications currently treated with injectable rhGH o NAFLD: LUM-201 has potential to reduce liver fat similar to historical data with injectable GH o Obesity: LUM-201 + GLP1 combo has potential to improve muscle mass retention during weight loss Additional Indications for Oral LUM-201 1 Initial Primary Research of PGHD Market conducted for Lumos by Triangle Insights showed majority of physicians and caregivers preferred daily oral to weekly injections. Physicians N = 20. Caregivers N = 9. 2 Primary market research performed by Blue Matter Consulting, internal Lumos analysis based on KOL interviews and publications 3 Dauber et.al. PES 2024. 4 Clayton, et.al. 2024. 5 Clayton GRS 2024. CONFIDENTIAL

 
28 LUM-201: Exclusivity and Barriers with Orphan Designation and IP * ODD exclusivity from date of drug approval with potential pediatric extensions GHD = Growth Hormone Deficiency NAFLD = Non-alcoholic Fatty Liver Disease Orphan Drug Designation • Orphan Drug Designation (ODD) granted in US & EU for GHD in 2017 • LUM-201 eligible for 12 years of exclusivity in EU and 7.5 years of exclusivity in US* Intellectual Property • Prior patent granted for “Detecting & Treating GHD” • Use of LUM-201 in PGHD and other GHD indications based on PEM strategy • Patents for LUM-201 in GHD with protection through 2036 • Patents granted in US, Australia, EU, Israel, Japan, S. Korea, Hong Kong and Ukraine • Additional applications pending in multiple jurisdictions • Applications for LUM-201 in NAFLD being prosecuted in multiple jurisdictions Novel Formulation Patent • Patent allowance granted March 14, 2024, by USPTO for novel LUM-201 formulation • Formulation enables capsule with mini-tablets of LUM-201 drug product inside • Extends intellectual property protection through 2042 for covered formulations

 
29 Lumos Pharma Financial Information as of March 31, 2024 Values in USD Cash, Equivalents & Short-term Investments $23.2M Debt $0 Shares Outstanding 8.1M Cash Runway Through 3Q 2024 Fiscal Year End December 31 Cash, cash equivalents, & short-term investments to support operations through 3Q 2024, inclusive of activities related to advancing the PGHD program into Phase 3 LUMO

 
30 • Positive End-of-Phase 2 meeting with FDA held early Q2 2024 regarding Phase 3 program • Initiation of Phase 3 trial anticipated Q4 2024 • PEM strategy de-risks patient selection, identifying likely LUM-201 responders*** • Phase 2 trials met all primary and secondary endpoints • Phase 2 data demonstrated LUM-201 produces significant increase in AHV vs baseline • Consistent PK/PD and attractive safety profile to date in > 1,300 subjects studied Investment Thesis Oral therapeutic candidate targeting $4.7 billion growth-disorder market Attractive Market Opportunity Novel Asset with Unique MOA • Global growth hormone (GH) market of ~$4.7 billion is primed for conversion to oral therapy • Lead indication, PGHD, is ~$1.5 billion global opportunity* • Market research supports rapid conversion to oral and potential expansion opportunities** • Oral LUM-201 novel MOA takes advantage of natural physiology • Orphan Drug Designation in US/EU and issued patents in major markets • IP protection through 2042 in the US for novel formulation Clear Proof of Concept in PGHD * Based on gross sales of rhGH worldwide ** Initial Primary Research of PGHD Market conducted for Lumos by Triangle Insights *** PEM (Predictive Enrichment Marker) investigational strategy consists of screening for PEM-positive PGHD patients = Baseline IGF-1 > 30 ng/ml & Peak stimulation GH ≥ 5 ng/ml from single oral dose of LUM-201 Potential for 1st oral therapeutic to disrupt injectable market for GHD Regulatory Path Clarity

 
Supplementary Materials

 
32 rhGH Market Gross Sales – by Indication and by Region 2022 rhGH Global Sales by Indication (Gross, Including China, US$ MM) 2022 rhGH Global Sales by Region (Gross, US$ MM) PGHD $1,490 ISS $915 AGHD $540 Turner $710 PWS $240 SGA $250 Other * $530 $4.7B US $1,820 EU5 $540 Japan $395 S. Korea $185 China $1,425 RoW $310 $4.7B • Long-acting rhGH products addressing limitations of daily rhGH treatment burden • Growing awareness about GH- related diseases • Increasing healthcare access and spend in developing regions • Very mature market • Pricing pressures • Inconsistent reimbursement policies K e y G ro w th D ri v e rs K e y H u rd le s Key growth drivers for rhGH market suggest promising outlook *Includes ~$350M in China sales, indication undisclosed, and ~$65M in Japan sales, Other or Undetermined; also includes global sales for other short stature syndromes such as Noonan Syndrome, SHOX deficiency, cancer cachexia, etc. Source: Internal Lumos GH Market Assessment, based on: EvaluatePharma consensus estimates, GlobalData, “GHD Forecast”, 2021/04; Grand View Research, “hGH Market Analysis and Segment Forecast”, updated 2022 Q1; IQVIA/MIDAS; Japan Pricing Research (Satoru GK, 2023); Regional market participant interviews; Lumos/Akrolyth Analysis

 
33 LUM-201 History Developed LUM-201 to improve health span >1,200 subjects studied, primarily elderly adults √ GH Levels ↑ √ IGF levels ↑ √ Consistent improvements in body composition1 √ Sustained Effect to 24 months1 • Discontinued for strategic reasons 1 Nass 2008 Ann Intern Med 2Performed by Lumos licensor, Ammonett Pharma Performed post hoc analysis of PGHD study and developed clinical enrichment strategy2 104 PGHD subjects treated in two Phase 2 studies: ✓ OraGrowtH210 – PEM* strategy validation and dose selection for Phase 3, n = 82 ✓ OraGrowth212 – PK/PD demonstrating pulsatility MOA differentiation, n = 22 ✓ Encouraging investigational safety profile at doses almost 4X higher than dose previously used in adult studies ✓ New patent estate around PEM strategy, formulation, and methods of treatment →Phase 3 registrational study in PEM+ PGHD subjects planned for Q4 2024 *Predictive Enrichment Marker

 
34 LUM-201 Potential in Obesity and Cardiometabolic Indications GLP1-Ra/LUM-201 Combination to Improve Quality of Weight Loss • GH secretion is blunted in obesity • Growth hormone deficient adults have similar metabolic and body composition consequences as normal obese subjects • Increases in GH and/or IGF-1 inhibits myostatin, leading to increases in muscle mass2 Obesity is a growth hormone (GH) deficient state • Disproportionate loss of lean mass loss with negative clinical outcomes • Post treatment rebound1 • Next generation oral therapies in development Emerging unmet medical needs arising from incretin therapy in obesity • Increase in pulsatile release of GH by augmenting natural physiology • rhGH therapy repartitions visceral fat to the periphery and increases muscle mass • Obtain weight loss benefits from GLP-1 with body composition and metabolic benefits of GH therapy in a physiologically controlled manner Restoring normal physiology with a GH secretagogue in combination with a GLP-1 agonist should provide high quality of weight loss 1Wilding, JPH, et al. New England Journal of Medicine, 2021 2Liu et al, J Clin Endocrinol Metab 2003, 88(11):5490-5496

 
35 Endogenous GH Secretion is Blunted in Obesity1 Endogenous GH levels are reduced in a stepwise manner with disease severity . . . 1Utz, et al, “Androgens May Mediate a Relative Preservation of IGF-I Levels in Overweight and Obese Women Despite Reduced Growth Hormone Secretion, J Clin Endocrinol Metab, October 2008 2Dichtel, et al, “Growth Hormone and Insulin-like Growth Factor 1 Regulation of Nonalcoholic Fatty Liver Disease”, J Clini Endocrin Metab, 2022 Lean N=11 Overweight N=12 Obese N=11 Mean GH Levels* ObesityStarvation . . . This finding has been consistent across all obese populations2 Normal ➢ ↑ Growth Hormone ➢ Low Insulin ➢ Low IGF-1 ➢ Increased Insulin Sensitivity ➢ ↓ Growth Hormone ➢ High Insulin ➢ Insulin Resistance ➢ Normal GH Secretion ➢ Normal Insulin secretion ➢ Normal IGF-1 ➢ Normal Insulin Sensitivity

 
36 Growth Hormone Plays an Important Role in Metabolic Function and Cardiovascular Health Beyond its effects on bone growth and musculoskeletal anabolism, GH plays an important role in the regulation of lipid metabolism, body fat distribution, inflammation and vascular health1 1Stanley, Grinspoon, “Effects of growth hormone–releasing hormone on visceral fat, metabolic, and cardiovascular indices in human studies”, Growth Hormone & IGF Research 25 (2015) 59-65 2Nishizawa H, et. al. Eur J Endocrinol. 2012;167(1): 67-74 Untreated Adult Growth Hormone Deficiency (AGHD) and Obesity share many common features: • Visceral fat accumulation in the abdomen • Blunted GH secretion • Insulin resistance • Higher inflammatory markers • Increased cardiovascular mortality • Higher incidence of NAFLD2 Self-reinforcing cycle of increased visceral fat and reduced GH in states of abdominal obesity1

 
37 GH increases IGF-1 Production: Growth of Skeletal Muscle is Modulated by the Combined Actions of IGF-1 and Myostatin 1Ahima and Park Endocrinol Metab 2015, 30:235-245 2Suh et al, PNAS 2020, 117(9):4910-4920 3Nass 2008 Ann Intern Med • IGF-1 and myostatin have contrasting roles in regulating skeletal muscle size and growth and act on opposing signaling pathways1 Myostatin Targeting: • Myostatin’s target, ActRII, is broadly expressed and activated by a variety of endogenous ligands • Non-specific myostatin pathway inhibitors have exhibited safety concerns in the clinic and in animal models2 LUM-201: • MOA increases endogenous GH pulsatility, leading to increased muscle mass3 • Selective targeting of myostatin inhibition • Anabolic action of GH

 
38 GH Treatment Effects on Adult Growth Hormone Deficiency (AGHD), Obesity, and MASH 1Stanley, Grinspoon, “Effects of growth hormone–releasing hormone on visceral fat, metabolic, and cardiovascular indices in human studies”, Growth Hormone & IGF Research 25 (2015) 59-65 2Growth hormone reverses nonalcoholic steatohepatitis in a patient with adult growth hormone deficiency, Takahashi, et al, Gastro, 2007 3Bredella MA, et. al, Eur J Endocrinol. 2012;166(4):601-611 4Johannsson, et al, “Growth Hormone Treatment of Abdominally Obese Men Reduces Abdominal Fat Mass, Improves Glucose and Lipoprotein Metabolism, and Reduces Diastolic Blood Pressure”, Journal of Clinical Endocrinology and Metabolism, 1997 5M.A. Bredella, A.V. Gerweck, E. Lin, M.G. Landa, M. Torriani, D.A. Schoenfeld, et al., Effects of GH on body composition and cardiovascular risk markers in young men with abdominal obesity, J. Clin. Endocrinol. Metab. 98 (9) (2013) 3864–3872. 6Ditchel, LE, et. al, J. Clin Endocrinol Metab. 2023, 108, e1542–e1550, MASH = Metabolic Dysfunction-Associated Steatohepatitis (formerly NASH, Non-alcoholic steatohepatitis) AGHD1 • Increased lean mass • Decreased overall fat mass, primarily visceral fat • Improved dyslipidemia • Reduced liver steatosis2 • Reduced systemic inflammation3 Obesity4 • Reduced visceral fat • Increased lean mass5 • No change in Total Body Weight • Modestly decreased triglycerides and cholesterol MASH6 • Significantly reduced hepatic steatosis • Improvement in ALT

 
39 Strong Evidence with an Injectable GHRH Analog1 • Tesamorelin (analog of GHRH) is an injectable peptide that stimulates GH Release o Different biological mechanism than LUM-201 o Approved to treat HIV Lipodystrophy • 52-week study in 60 abdominally obese subjects (Standard GH stim test ≤ 9 ug/L) ✓ Significant decrease in visceral fat (-1.7 kg) ✓ Significant increase in lean mass (+1.4 kg) ✓ No change in BMI ✓ Significant decrease in triglycerides (-37 mg/dL) ✓ Carotid IMT decreased (-0.04 mm) ✓ No change in glucose 1Stanley, Grinspoon, “Effects of growth hormone–releasing hormone on visceral fat, metabolic, and cardiovascular indices in human studies”, Growth Hormone & IGF Research 25 (2015) 59-65 VAT: Visceral Adipose Tissue SAT: Subcutaneous Adipose Tissue IMT: Intima-Media Thickness % Change in Visceral Fat

 
40 Pulsatile Delivery of GH Almost Doubles the Rate of Lipolysis in Obese Subjects vs. Continuous Infusion of GH1 Study Objective: Mimic normal GH physiology to determine treatment effects in obese subjects Study Design • 9 Obese subjects were dosed rhGH 0.015 mg/kg/day for three days, switched as follows: o Continuous infusion o 4 pulses mimicking normal peak cycles • Results: o Mean 24-GH plasma concentrations similar o IGF-1 concentrations in plasma higher in Continuous treatment arm o Glycerol Rate of Appearance in plasma (Ra), an index of whole-body lipolytic rate nearly doubled in GH pulsatile GH arm o Glucose levels similar in all groups P< 0.05 (0.4 ± 0.1 ug/L) (1.0 ± 0.1 ug/L)(1.3 ± 0.3 ug/L) (2.3 ± 0.3 ug/L) 1Sowmya, et al, “The Pattern of Growth Hormone Delivery to Peripheral Tissues Determines Insulin-Like Growth Factor-1 and Lipolytic Responses in Obese Subjects”, J Clin Endocrinology Metabolism, Aug 2009 Lypolysis Rate

 
Highlights from LUM-201 Adult Studies 41

 
42 Functional Benefits and Consistent PD Effects Observed in Multiple Adult Disease Settings Setting Treatment Duration1 Increase in Serum IGF-1 P-Value N1 Key Findings Healthy Elderly 12 months 50% <0.001 43 LUM-201 restored and maintained GH and IGF-1 concentrations back to lower limit of normal for young adults and improved fat free mass1; Functional improvements in knee and shoulder strength tests vs placebo2 24 months 54% <0.001 17 Obesity study 8 weeks ~36% <0.001 12 Significant increase in fat free mass; longer studies encouraged3 Caloric restriction 7 of 14 days ~40% <0.01 8 LUM-201 reverses diet-induced nitrogen wasting4 Postmenopausal osteoporosis 12 months† ~40% <0.05 204 Increase in biomarkers of bone formation and resorption, increased bone mineral density (BMD) at the femoral neck; no net change in Total Body BMD5 1Nass et al Ann. Intern Med 2008 2Unpublished data 3Svensson et al J. Clin. Endocrinol. Metab. 1998 4Murphy et al J. Clin. Endocrinol. Metab. 1998 5Murphy et al J. Clin. Endocrin. Metab. 2001 † IGF-1 data at 12 months treatment, treatment to 18 months

 
43 LUM-201 PD and Clinical Effects Are Durable in Healthy Elderly1 Normalized IGF-1 levels and improved fat free mass from baseline Healthy elderly adults treated with 25mg LUM-201 once daily for up to 24 months 1Nass 2008 Ann Intern Med (Supplemental Information) Barred data represent 95% Confidence Interval Asterisk indicates significant change from baseline (Bonferroni-adjusted P- value: Panel A P<0.001; Panel B P=0.026) LLN – Lower Limit of Normal DXA – Dual X-ray Absorptiometry Group 1 LUM-201 for 2 years Group 2 Year 1: LUM-201 Year 2: Placebo Group 3 Year 1: Placebo Year 2: LUM-201 Change in Fat Free Mass (FFM) From Baseline Group 1 LUM-201 for 2 years Group 2 Year 1: LUM-201 Year 2: Placebo Group 3 Year 1: Placebo Year 2: LUM-201 Months LLN – young adults LLN – elderly adults A B Treatment with LUM-201 restored IGF-1 concentrations to those of normal healthy young adults, increased fat free mass, and demonstrated a sustained effect for up to 24 months

 
44 Treatment With LUM-201 Increased Nitrogen Balance In Catabolic State1 1 Murphy et al J. Clin. Endocrinol. Metab. 1998 2 P=0.001 3 P<0.005 AUC: Area Under the Curve Placebo Placebo LUM-201 25 mg Caloric Restriction Normal Diet Placebo Placebo LUM-201 25 mg Caloric Restriction Study Design: Double-blind, placebo-controlled, randomized, two period, crossover study in healthy young adult volunteers LUM-201 25mg N=8 Placebo N=8 7-Day Control Period 7-Day Active Period 14-Day Washout Period 7-Day Control Period 7-Day Active Period LUM-201 significantly2 improved nitrogen balance AUC over the 7 days of treatment during the active period. • Nitrogen balance is a measurement of anabolism (lean body mass) • Serum GH and IGF1 levels also significantly3 increased with LUM-201 treatment Nitrogen balance AUC, g/day LUM-201 Placebo During Active Period +2.69 +/- 5.0 -8.97 +/- 5.3 CONTROL PERIOD ACTIVE PERIOD

 
v3.24.1.1.u2
Document and Entity Information Document
Jun. 05, 2024
Entity Information [Line Items]  
Document Type 8-K
Document Period End Date Jun. 05, 2024
Entity Registrant Name LUMOS PHARMA, INC.
Entity Central Index Key 0001126234
Amendment Flag false
Entity Incorporation, State or Country Code DE
Entity File Number 001-35342
Entity Tax Identification Number 42-1491350
City Area Code 512
Local Phone Number 215-2630
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock
Trading Symbol LUMO
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Entity Address, Address Line One 4200
Entity Address, Postal Zip Code 78756
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Entity Address, State or Province TX
Entity Address, Address Line Two Marathon Blvd., Suite 200
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