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

NOTICE OF EFFECTIVENESS

Effective Date:August 24,
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Sellas Life Sciences Group, Inc. News

Form 8-K - Current report
Tuesday 12 March 2024 (2 months ago) • Edgar (US Regulatory)
Form 8-K - Current report
Saturday 9 March 2024 (2 months ago) • Edgar (US Regulatory)
Form 8-K - Current report
Wednesday 6 March 2024 (2 months ago) • Edgar (US Regulatory)
Form 8-K - Current report
Saturday 17 February 2024 (2 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
Saturday 20 January 2024 (3 months ago) • Edgar (US Regulatory)
Form 8-K - Current report
Tuesday 9 January 2024 (4 months ago) • Edgar (US Regulatory)
Form 424B5 - Prospectus [Rule 424(b)(5)]
Saturday 6 January 2024 (4 months ago) • Edgar (US Regulatory)

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