UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

NOTICE OF EFFECTIVENESS

Effective Date:June 11,
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Sellas Life Sciences Group, Inc. News

Form 8-K - Current report
Monday 11 March 2024 (2 months ago) • Edgar (US Regulatory)
Form 8-K - Current report
Friday 8 March 2024 (2 months ago) • Edgar (US Regulatory)
Form 8-K - Current report
Tuesday 5 March 2024 (2 months ago) • Edgar (US Regulatory)
Form 8-K - Current report
Friday 16 February 2024 (3 months ago) • Edgar (US Regulatory)
Form 4 - Statement of changes in beneficial ownership of securities
Thursday 25 January 2024 (3 months ago) • Edgar (US Regulatory)
Form 4 - Statement of changes in beneficial ownership of securities
Thursday 25 January 2024 (3 months ago) • Edgar (US Regulatory)
Form 4 - Statement of changes in beneficial ownership of securities
Thursday 25 January 2024 (3 months ago) • Edgar (US Regulatory)
Form 4 - Statement of changes in beneficial ownership of securities
Thursday 25 January 2024 (3 months ago) • Edgar (US Regulatory)
Form 4 - Statement of changes in beneficial ownership of securities
Thursday 25 January 2024 (3 months ago) • Edgar (US Regulatory)
Form S-8 - Securities to be offered to employees in employee benefit plans
Friday 19 January 2024 (4 months ago) • Edgar (US Regulatory)
Form 8-K - Current report
Monday 8 January 2024 (4 months ago) • Edgar (US Regulatory)
Form 424B5 - Prospectus [Rule 424(b)(5)]
Friday 5 January 2024 (4 months ago) • Edgar (US Regulatory)

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