Agenus Inc SEC filings AGEN

Agenus Inc has 1,003 filings in SEC EDGAR's recent list, going back to Apr 29, 2014. Its latest annual report, Form ARS, was filed on Apr 30, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations). The company's fiscal year ends on December 31.

Agenus Inc SEC filings
Form Description Filed Period
EFFECT Filing Aug 14, 2026 —
EFFECT Filing Jul 27, 2026 —
DEFR14A Filing Jun 6, 2025 —
EFFECT Filing May 30, 2025 —
CORRESP Letter to the SEC May 28, 2025 —
UPLOAD Letter from the SEC May 15, 2025 —
DEFR14A Filing May 5, 2025 —
EFFECT Filing Mar 18, 2024 —
POSASR Filing Mar 14, 2024 —
EFFECT Filing Nov 22, 2019 —
CORRESP Letter to the SEC Nov 19, 2019 —
UPLOAD Letter from the SEC Nov 18, 2019 —
CORRESP Letter to the SEC Nov 8, 2019 —
UPLOAD Letter from the SEC Nov 4, 2019 —
UPLOAD Letter from the SEC Oct 29, 2019 —
CORRESP Letter to the SEC Oct 7, 2019 —
UPLOAD Letter from the SEC Sep 19, 2019 —
CT ORDER Filing Aug 2, 2019 —
CT ORDER Filing May 9, 2019 —
CT ORDER Filing May 9, 2019 —
CT ORDER Filing May 9, 2019 —
CT ORDER Filing May 9, 2019 —
CT ORDER Filing Apr 11, 2019 —
CT ORDER Filing Mar 28, 2019 —
D Filing Feb 1, 2019 —
RW Filing Dec 21, 2018 —
EFFECT Filing Dec 10, 2018 —
CORRESP Letter to the SEC Dec 7, 2018 —
CT ORDER Filing Dec 4, 2018 —
D Filing Oct 25, 2018 —
EFFECT Filing Jan 19, 2018 —
CORRESP Letter to the SEC Jan 17, 2018 —
UPLOAD Letter from the SEC Jan 17, 2018 —
CORRESP Letter to the SEC Dec 18, 2017 —
CORRESP Letter to the SEC Dec 14, 2017 —
CORRESP Letter to the SEC Dec 12, 2017 —
UPLOAD Letter from the SEC Dec 1, 2017 —
UPLOAD Letter from the SEC Nov 30, 2017 —
EFFECT Filing Oct 30, 2017 —
CORRESP Letter to the SEC Oct 26, 2017 —
UPLOAD Letter from the SEC Oct 26, 2017 —
CT ORDER Filing Sep 12, 2017 —
CT ORDER Filing Jun 20, 2017 —
CT ORDER Filing Jun 6, 2017 —
EFFECT Filing Mar 31, 2017 —
CORRESP Letter to the SEC Mar 30, 2017 —
CT ORDER Filing Mar 2, 2017 —
D Filing Mar 1, 2017 —
CORRESP Letter to the SEC Feb 23, 2017 —
CT ORDER Filing Feb 23, 2017 —
CORRESP Letter to the SEC Feb 22, 2017 —
CORRESP Letter to the SEC Jan 26, 2017 —
UPLOAD Letter from the SEC Jan 25, 2017 —
UPLOAD Letter from the SEC Jun 15, 2016 —
EFFECT Filing May 17, 2016 —
CORRESP Letter to the SEC May 16, 2016 —
EFFECT Filing Apr 28, 2016 —
EFFECT Filing Apr 28, 2016 —
CORRESP Letter to the SEC Apr 27, 2016 —
CORRESP Letter to the SEC Apr 27, 2016 —
CT ORDER Filing Apr 26, 2016 —
CORRESP Letter to the SEC Apr 26, 2016 —
UPLOAD Letter from the SEC Apr 25, 2016 —
CT ORDER Filing Mar 29, 2016 —
UPLOAD Letter from the SEC Mar 11, 2016 —
UPLOAD Letter from the SEC Mar 8, 2016 —
UPLOAD Letter from the SEC Mar 7, 2016 —
D Filing Jan 8, 2016 —
EFFECT Filing Jan 5, 2016 —
D Filing Jan 4, 2016 —
CORRESP Letter to the SEC Jan 4, 2016 —
UPLOAD Letter from the SEC Dec 2, 2015 —
CT ORDER Filing Nov 6, 2015 —
D Filing Sep 23, 2015 —
EFFECT Filing Sep 10, 2015 —
CORRESP Letter to the SEC Sep 9, 2015 —
UPLOAD Letter from the SEC Aug 28, 2015 —
EFFECT Filing Jun 8, 2015 —
CORRESP Letter to the SEC Jun 5, 2015 —
CT ORDER Filing Jun 4, 2015 —
CT ORDER Filing May 29, 2015 —
UPLOAD Letter from the SEC May 6, 2015 —
CT ORDER Filing Apr 29, 2015 —
D Filing Mar 5, 2015 —
D Filing Mar 5, 2015 —
EFFECT Filing Oct 23, 2014 —
EFFECT Filing Jun 18, 2014 —
CORRESP Letter to the SEC Jun 17, 2014 —
CT ORDER Filing Jun 16, 2014 —
UPLOAD Letter from the SEC May 21, 2014 —

Showing 90 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.

Company profile

Industry
Biological Products, (No Diagnostic Substances) (SIC 2836)
Listed as
AGEN (Nasdaq)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
Lexington, MA
SEC filer status
Accelerated filer, Smaller reporting company
SEC CIK
1098972
Former names
ANTIGENICS INC /DE/ (until Jan 5, 2011)

Other Biological Products, (No Diagnostic Substances) companies

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