SELLAS Life Sciences Group, Inc. SEC filings SLS

SELLAS Life Sciences Group, Inc. has 1,002 filings in SEC EDGAR's recent list, going back to Apr 21, 2011. Its latest annual report, Form ARS, was filed on Apr 23, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 11, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 11, 2026 (results of operations). The company's fiscal year ends on December 31.

Form Description Filed Period
10-Q Quarterly report Aug 11, 2026 Jun 30, 2026
10-Q Quarterly report May 12, 2026 Mar 31, 2026
10-Q Quarterly report Nov 12, 2025 Sep 30, 2025
10-Q Quarterly report Aug 12, 2025 Jun 30, 2025
10-Q Quarterly report May 13, 2025 Mar 31, 2025
10-Q Quarterly report Nov 13, 2024 Sep 30, 2024
10-Q Quarterly report Aug 13, 2024 Jun 30, 2024
10-Q Quarterly report May 14, 2024 Mar 31, 2024
10-Q Quarterly report Nov 9, 2023 Sep 30, 2023
10-Q Quarterly report Aug 10, 2023 Jun 30, 2023
10-Q Quarterly report May 11, 2023 Mar 31, 2023
10-Q Quarterly report Nov 14, 2022 Sep 30, 2022
10-Q Quarterly report Aug 11, 2022 Jun 30, 2022
10-Q Quarterly report May 12, 2022 Mar 31, 2022
10-Q Quarterly report Nov 12, 2021 Sep 30, 2021
10-Q Quarterly report Aug 12, 2021 Jun 30, 2021
10-Q Quarterly report May 13, 2021 Mar 31, 2021
10-Q Quarterly report Nov 13, 2020 Sep 30, 2020
10-Q Quarterly report Aug 13, 2020 Jun 30, 2020
10-Q Quarterly report May 14, 2020 Mar 31, 2020
10-Q Quarterly report Nov 14, 2019 Sep 30, 2019
10-Q Quarterly report Aug 14, 2019 Jun 30, 2019
10-Q Quarterly report May 15, 2019 Mar 31, 2019
10-Q Quarterly report Nov 14, 2018 Sep 30, 2018
10-Q Quarterly report Aug 14, 2018 Jun 30, 2018
10-Q Quarterly report May 15, 2018 Mar 31, 2018
10-Q Quarterly report Nov 9, 2017 Sep 30, 2017
10-Q Quarterly report Aug 14, 2017 Jun 30, 2017
10-Q Quarterly report May 10, 2017 Mar 31, 2017
10-Q Quarterly report Nov 9, 2016 Sep 30, 2016
10-Q Quarterly report Aug 9, 2016 Jun 30, 2016
10-Q Quarterly report May 10, 2016 Mar 31, 2016
10-Q Quarterly report Nov 9, 2015 Sep 30, 2015
10-Q Quarterly report Aug 6, 2015 Jun 30, 2015
10-Q Quarterly report May 7, 2015 Mar 31, 2015
10-Q Quarterly report Nov 5, 2014 Sep 30, 2014
10-Q Quarterly report Aug 11, 2014 Jun 30, 2014
10-Q Quarterly report May 6, 2014 Mar 31, 2014
10-Q/A Amended quarterly report Nov 7, 2013 Sep 30, 2013
10-Q Quarterly report Nov 6, 2013 Sep 30, 2013
10-Q Quarterly report Aug 9, 2013 Jun 30, 2013
10-Q Quarterly report May 9, 2013 Mar 31, 2013
10-Q Quarterly report Nov 13, 2012 Sep 30, 2012
10-Q Quarterly report Aug 14, 2012 Jun 30, 2012
10-Q Quarterly report May 14, 2012 Mar 31, 2012
10-Q Quarterly report Nov 14, 2011 Sep 30, 2011
10-Q/A Amended quarterly report Oct 28, 2011 Jun 30, 2011
10-Q Quarterly report Aug 15, 2011 Jun 30, 2011
10-Q Quarterly report May 16, 2011 Mar 31, 2011

Showing 49 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.

Company profile

Industry
Pharmaceutical Preparations (SIC 2834)
Listed as
SLS (Nasdaq)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
New York, NY
SEC filer status
Non-accelerated filer, Smaller reporting company
SEC CIK
1390478
Former names
GALENA BIOPHARMA, INC. (until Dec 15, 2017); Galena Biopharma, Inc. (until Dec 15, 2017); RXI PHARMACEUTICALS CORP (until Sep 21, 2011)

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.