Sellas Life Sciences SEC Filings https://ir.sellaslifesciences.com/generated by Q4Thu, 12 Nov 2026 16:09:03 -0500Copyright Q4 Inc. All rights reserved.Sellas Life Sciences - 8-K - Current report filing19926264https://ir.sellaslifesciences.com/sec-filings/sec-filings-details/default.aspx?FilingId=19926264Thu, 12 Nov 2026 00:00:00 -0500Sellas Life Sciences - 10-Q - Quarterly Report19925963https://ir.sellaslifesciences.com/sec-filings/sec-filings-details/default.aspx?FilingId=19925963Thu, 12 Nov 2026 00:00:00 -0500Sellas Life Sciences - SC 13G - Statement of Ownership19918219https://ir.sellaslifesciences.com/sec-filings/sec-filings-details/default.aspx?FilingId=19918219Tue, 10 Nov 2026 00:00:00 -0500Sellas Life Sciences - SC 13G/A - Amended Statement of Ownership19877000https://ir.sellaslifesciences.com/sec-filings/sec-filings-details/default.aspx?FilingId=19877000Tue, 27 Oct 2026 00:00:00 -0400Sellas Life Sciences - 8-K - Current report filing19686222https://ir.sellaslifesciences.com/sec-filings/sec-filings-details/default.aspx?FilingId=19686222Tue, 11 Aug 2026 00:00:00 -0400Sellas Life Sciences - 10-Q - Quarterly Report19686061https://ir.sellaslifesciences.com/sec-filings/sec-filings-details/default.aspx?FilingId=19686061Tue, 11 Aug 2026 00:00:00 -0400Sellas Life Sciences - SC 13G - Statement of Ownership19676143https://ir.sellaslifesciences.com/sec-filings/sec-filings-details/default.aspx?FilingId=19676143Fri, 07 Aug 2026 00:00:00 -0400Sellas Life Sciences - SC 13G - Statement of Ownership19650919https://ir.sellaslifesciences.com/sec-filings/sec-filings-details/default.aspx?FilingId=19650919Fri, 31 Jul 2026 00:00:00 -0400Sellas Life Sciences - 8-K - Current report filing19634679https://ir.sellaslifesciences.com/sec-filings/sec-filings-details/default.aspx?FilingId=19634679Mon, 27 Jul 2026 00:00:00 -0400Sellas Life Sciences - 8-K - Current report filing19560659https://ir.sellaslifesciences.com/sec-filings/sec-filings-details/default.aspx?FilingId=19560659Thu, 25 Jun 2026 00:00:00 -0400Sellas Life Sciences - 4 - Statement of Changes in Beneficial Ownership19549021https://ir.sellaslifesciences.com/sec-filings/sec-filings-details/default.aspx?FilingId=19549021Thu, 18 Jun 2026 00:00:00 -0400Sellas Life Sciences - 8-K - Current report filing19549037https://ir.sellaslifesciences.com/sec-filings/sec-filings-details/default.aspx?FilingId=19549037Thu, 18 Jun 2026 00:00:00 -0400Sellas Life Sciences - S-8 - Securities Registration: Employee Benefit Plan19542262https://ir.sellaslifesciences.com/sec-filings/sec-filings-details/default.aspx?FilingId=19542262Tue, 16 Jun 2026 00:00:00 -0400Sellas Life Sciences - 8-K - Current report filing19504137https://ir.sellaslifesciences.com/sec-filings/sec-filings-details/default.aspx?FilingId=19504137Tue, 02 Jun 2026 00:00:00 -0400Sellas Life Sciences - 8-K - Current report filing19435427https://ir.sellaslifesciences.com/sec-filings/sec-filings-details/default.aspx?FilingId=19435427Tue, 12 May 2026 00:00:00 -0400Sellas Life Sciences - 10-Q - Quarterly Report19435224https://ir.sellaslifesciences.com/sec-filings/sec-filings-details/default.aspx?FilingId=19435224Tue, 12 May 2026 00:00:00 -0400Sellas Life Sciences - SC 13G/A - Amended Statement of Ownership19368682https://ir.sellaslifesciences.com/sec-filings/sec-filings-details/default.aspx?FilingId=19368682Fri, 24 Apr 2026 00:00:00 -0400Sellas Life Sciences - ARS - Annual Report to Security Holders19364351https://ir.sellaslifesciences.com/sec-filings/sec-filings-details/default.aspx?FilingId=19364351Thu, 23 Apr 2026 00:00:00 -0400Sellas Life Sciences - DEF 14A - Proxy Statement (definitive)19364289https://ir.sellaslifesciences.com/sec-filings/sec-filings-details/default.aspx?FilingId=19364289Thu, 23 Apr 2026 00:00:00 -0400Sellas Life Sciences - DEFA14A - Additional Proxy Soliciting Materials (definitive)19364310https://ir.sellaslifesciences.com/sec-filings/sec-filings-details/default.aspx?FilingId=19364310Thu, 23 Apr 2026 00:00:00 -0400