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.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Nov 5, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2026 | Nov 5, 2026 |
| S-3 | Shelf registration | Sep 11, 2026 | — |
| S-8 | Employee stock plan registration | Sep 2, 2026 | — |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Aug 18, 2026 | Aug 12, 2026 |
| 424B3 | Prospectus | Aug 17, 2026 | — |
| EFFECT | Filing | Aug 14, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Aug 13, 2026 | Aug 10, 2026 |
| 8-K |
Current report
Officer or director change
|
Aug 11, 2026 | Aug 5, 2026 |
| 10-Q | Quarterly report | Aug 7, 2026 | Jun 30, 2026 |
| S-8 | Employee stock plan registration | Aug 7, 2026 | — |
| S-3 | Shelf registration | Aug 7, 2026 | — |
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 6, 2026 |
| EFFECT | Filing | Jul 27, 2026 | — |
| S-3 | Shelf registration | Jul 20, 2026 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure, Other events
|
Jul 13, 2026 | Jul 13, 2026 |
| 8-K |
Current report
Material agreement
|
Jul 6, 2026 | Jun 29, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 23, 2026 | Jun 16, 2026 |
| 8-K |
Current report
Officer or director change
|
May 15, 2026 | May 12, 2026 |
| DEFA14A | Additional proxy material | May 13, 2026 | — |
| 10-Q | Quarterly report | May 11, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 11, 2026 | May 11, 2026 |
| ARS | Annual report to shareholders | Apr 30, 2026 | Dec 31, 2025 |
| DEF 14A | Proxy statement | Apr 30, 2026 | Apr 30, 2026 |
| PRE 14A | Preliminary proxy statement | Apr 20, 2026 | Apr 20, 2026 |
| 8-K |
Current report
Other events
|
Mar 26, 2026 | Mar 24, 2026 |
| 10-K | Annual report | Mar 16, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 16, 2026 | Mar 16, 2026 |
| 8-K |
Current report
Acquisition or sale of assets, Unregistered share sale, Regulation FD disclosure
|
Jan 16, 2026 | Jan 15, 2026 |
| 8-K |
Current report
Officer or director change
|
Jan 14, 2026 | Jan 8, 2026 |
| 8-K |
Current report
Material agreement, Change to shareholder rights
|
Jan 8, 2026 | Jan 3, 2026 |
| S-3ASR | Automatic shelf registration | Dec 29, 2025 | — |
| 10-Q | Quarterly report | Nov 10, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2025 | Nov 10, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 9, 2025 | Oct 8, 2025 |
| 8-K |
Current report
Other events
|
Sep 23, 2025 | Sep 17, 2025 |
| S-8 | Employee stock plan registration | Aug 12, 2025 | — |
| 10-Q | Quarterly report | Aug 11, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2025 | Aug 11, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 20, 2025 | Jun 17, 2025 |
| DEFR14A | Filing | Jun 6, 2025 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Jun 4, 2025 | Jun 3, 2025 |
| EFFECT | Filing | May 30, 2025 | — |
| CORRESP | Letter to the SEC | May 28, 2025 | — |
| UPLOAD | Letter from the SEC | May 15, 2025 | — |
| S-3 | Shelf registration | May 12, 2025 | — |
| 10-Q | Quarterly report | May 12, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 12, 2025 | May 12, 2025 |
| DEFR14A | Filing | May 5, 2025 | — |
| ARS | Annual report to shareholders | Apr 30, 2025 | Dec 31, 2024 |
| DEF 14A | Proxy statement | Apr 30, 2025 | Apr 30, 2025 |
| PRE 14A | Preliminary proxy statement | Apr 18, 2025 | Apr 18, 2025 |
| 10-K | Annual report | Mar 17, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 11, 2025 | Mar 11, 2025 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Feb 26, 2025 | Feb 20, 2025 |
| 8-K |
Current report
Agreement ended
|
Feb 10, 2025 | Feb 4, 2025 |
| 8-K |
Current report
Exit or restructuring costs
|
Dec 5, 2024 | Dec 5, 2024 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Regulation FD disclosure
|
Nov 27, 2024 | Nov 26, 2024 |
| 10-Q | Quarterly report | Nov 12, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2024 | Nov 12, 2024 |
| 8-K/A |
Amended current report
Officer or director change
|
Nov 8, 2024 | Aug 8, 2024 |
| 8-K |
Current report
Officer or director change
|
Nov 5, 2024 | Oct 30, 2024 |
| 8-K |
Current report
Results of operations, Officer or director change, Other events
|
Aug 8, 2024 | Aug 7, 2024 |
| 424B5 | Prospectus supplement | Aug 8, 2024 | — |
| 10-Q | Quarterly report | Aug 8, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Agreement ended
|
Aug 2, 2024 | Jul 30, 2024 |
| S-8 | Employee stock plan registration | Jun 25, 2024 | — |
| 8-K |
Current report
Officer or director change
|
Jun 17, 2024 | Jun 11, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 14, 2024 | Jun 11, 2024 |
| 8-K |
Current report
Acquisition or sale of assets
|
May 30, 2024 | May 29, 2024 |
| 8-K |
Current report
Results of operations
|
May 7, 2024 | May 7, 2024 |
| 10-Q | Quarterly report | May 7, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
May 7, 2024 | May 6, 2024 |
| ARS | Annual report to shareholders | Apr 26, 2024 | Dec 31, 2023 |
| DEF 14A | Proxy statement | Apr 26, 2024 | Jun 11, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Apr 5, 2024 | Apr 3, 2024 |
| EFFECT | Filing | Mar 18, 2024 | — |
| S-8 | Employee stock plan registration | Mar 15, 2024 | — |
| POS AM | Filing | Mar 14, 2024 | — |
| 10-K | Annual report | Mar 14, 2024 | Dec 31, 2023 |
| POSASR | Filing | Mar 14, 2024 | — |
| 8-K |
Current report
Results of operations
|
Mar 14, 2024 | Mar 14, 2024 |
| DEFA14A | Additional proxy material | Feb 29, 2024 | — |
| DEF 14A | Proxy statement | Feb 26, 2024 | Apr 3, 2024 |
| PRE 14A | Preliminary proxy statement | Feb 15, 2024 | Apr 3, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 15, 2024 | Feb 15, 2024 |
| 8-K |
Current report
Other events
|
Jan 31, 2024 | Jan 30, 2024 |
| 8-K |
Current report
Listing notice
|
Dec 8, 2023 | Dec 4, 2023 |
| 10-Q | Quarterly report | Nov 9, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2023 | Nov 7, 2023 |
| 8-K |
Current report
Exit or restructuring costs
|
Aug 23, 2023 | Aug 23, 2023 |
| 10-Q | Quarterly report | Aug 8, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2023 | Aug 8, 2023 |
| S-3ASR | Automatic shelf registration | Jun 23, 2023 | — |
| S-8 | Employee stock plan registration | Jun 23, 2023 | — |
| 8-K |
Current report
Shareholder vote results
|
Jun 15, 2023 | Jun 12, 2023 |
| 10-Q | Quarterly report | May 9, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 9, 2023 | May 9, 2023 |
| DEF 14A | Proxy statement | Apr 28, 2023 | — |
| 8-K |
Current report
Other events
|
Apr 24, 2023 | Apr 24, 2023 |
| 8-K |
Current report
Other events
|
Mar 30, 2023 | Mar 29, 2023 |
| 10-K | Annual report | Mar 16, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Mar 14, 2023 | Mar 14, 2023 |
| 8-K |
Current report
Officer or director change
|
Dec 23, 2022 | Dec 21, 2022 |
| S-3ASR | Automatic shelf registration | Dec 23, 2022 | — |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Dec 2, 2022 | Nov 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2022 | Nov 8, 2022 |
| 10-Q | Quarterly report | Nov 8, 2022 | Sep 30, 2022 |
| S-8 | Employee stock plan registration | Aug 11, 2022 | — |
| 8-K |
Current report
Results of operations
|
Aug 9, 2022 | Aug 9, 2022 |
| 10-Q | Quarterly report | Aug 9, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Aug 5, 2022 | Aug 4, 2022 |
| DEF 14A | Proxy statement | Jun 22, 2022 | Aug 4, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jun 14, 2022 | Jun 8, 2022 |
| PRE 14A | Preliminary proxy statement | Jun 9, 2022 | Aug 4, 2022 |
| 8-K |
Current report
Results of operations
|
May 10, 2022 | May 10, 2022 |
| 10-Q | Quarterly report | May 10, 2022 | Mar 31, 2022 |
| DEF 14A | Proxy statement | Apr 29, 2022 | Jun 8, 2022 |
| 8-K |
Current report
Other events
|
Mar 25, 2022 | Mar 23, 2022 |
| 8-K |
Current report
Results of operations, Other events
|
Mar 1, 2022 | Mar 1, 2022 |
| 424B5 | Prospectus supplement | Mar 1, 2022 | — |
| 10-K | Annual report | Mar 1, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Officer or director change
|
Jan 6, 2022 | Dec 31, 2021 |
| S-3ASR | Automatic shelf registration | Nov 12, 2021 | — |
| 10-Q | Quarterly report | Nov 9, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2021 | Nov 9, 2021 |
| 8-K |
Current report
Other events
|
Oct 22, 2021 | Oct 22, 2021 |
| 10-Q | Quarterly report | Aug 9, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2021 | Aug 9, 2021 |
| 8-K |
Current report
Officer or director change
|
Jul 26, 2021 | Jul 20, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Jun 16, 2021 | Jun 15, 2021 |
| 8-K |
Current report
Material agreement
|
May 18, 2021 | May 17, 2021 |
| DEFA14A | Additional proxy material | May 10, 2021 | — |
| 10-Q | Quarterly report | May 7, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
May 6, 2021 | May 6, 2021 |
| DEF 14A | Proxy statement | Apr 30, 2021 | Jun 15, 2021 |
| 8-K |
Current report
Officer or director change
|
Apr 6, 2021 | Apr 5, 2021 |
| 10-K | Annual report | Mar 16, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Mar 15, 2021 | Mar 15, 2021 |
| 8-K |
Current report
Officer or director change
|
Jan 14, 2021 | Jan 12, 2021 |
| 8-K |
Current report
Material agreement
|
Nov 25, 2020 | Nov 25, 2020 |
| 10-Q | Quarterly report | Nov 9, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2020 | Oct 29, 2020 |
| 8-K |
Current report
Officer or director change
|
Oct 13, 2020 | Oct 8, 2020 |
| 8-K |
Current report
Officer or director change
|
Aug 31, 2020 | Aug 27, 2020 |
| 10-Q | Quarterly report | Aug 10, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2020 | Aug 6, 2020 |
| 8-K |
Current report
Other events
|
Jul 28, 2020 | Jul 27, 2020 |
| S-3ASR | Automatic shelf registration | Jul 22, 2020 | — |
| 8-K |
Current report
Shareholder vote results
|
Jun 22, 2020 | Jun 16, 2020 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Jun 22, 2020 | Jun 20, 2020 |
| 10-Q | Quarterly report | May 11, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
May 7, 2020 | May 7, 2020 |
| DEF 14A | Proxy statement | Apr 28, 2020 | Jun 16, 2020 |
| 8-K |
Current report
Officer or director change, Other events
|
Mar 30, 2020 | Mar 30, 2020 |
| 10-K | Annual report | Mar 16, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Results of operations
|
Mar 12, 2020 | Mar 12, 2020 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Feb 24, 2020 | Feb 18, 2020 |
| 8-K |
Current report
Officer or director change
|
Jan 9, 2020 | Dec 24, 2019 |
| 8-K |
Current report
Officer or director change
|
Nov 29, 2019 | Nov 25, 2019 |
| 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 | — |
| 10-Q | Quarterly report | Nov 7, 2019 | Sep 30, 2019 |
| UPLOAD | Letter from the SEC | Nov 4, 2019 | — |
| 8-K |
Current report
Results of operations
|
Nov 4, 2019 | Nov 4, 2019 |
| UPLOAD | Letter from the SEC | Oct 29, 2019 | — |
| S-3 | Shelf registration | Oct 25, 2019 | — |
| CORRESP | Letter to the SEC | Oct 7, 2019 | — |
| UPLOAD | Letter from the SEC | Sep 19, 2019 | — |
| 10-Q | Quarterly report | Aug 9, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2019 | Aug 8, 2019 |
| S-8 | Employee stock plan registration | Aug 7, 2019 | — |
| S-8 | Employee stock plan registration | Aug 7, 2019 | — |
| 8-K |
Current report
Officer or director change
|
Aug 2, 2019 | Jul 30, 2019 |
| CT ORDER | Filing | Aug 2, 2019 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 24, 2019 | Jun 19, 2019 |
| 10-Q | Quarterly report | May 10, 2019 | Mar 31, 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 | — |
| 8-K |
Current report
Results of operations
|
May 9, 2019 | May 9, 2019 |
| DEF 14A | Proxy statement | Apr 26, 2019 | Jun 19, 2019 |
| PRE 14A | Preliminary proxy statement | Apr 12, 2019 | Jun 19, 2019 |
| CT ORDER | Filing | Apr 11, 2019 | — |
| CT ORDER | Filing | Mar 28, 2019 | — |
| 10-K | Annual report | Mar 18, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Results of operations
|
Mar 14, 2019 | Mar 14, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 21, 2019 | Feb 21, 2019 |
| D | Filing | Feb 1, 2019 | — |
| 8-K |
Current report
Other events
|
Jan 24, 2019 | Jan 23, 2019 |
| RW | Filing | Dec 21, 2018 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Dec 20, 2018 | Dec 19, 2018 |
| 424B5 | Prospectus supplement | Dec 19, 2018 | — |
| EFFECT | Filing | Dec 10, 2018 | — |
| CORRESP | Letter to the SEC | Dec 7, 2018 | — |
| CT ORDER | Filing | Dec 4, 2018 | — |
| 8-K |
Current report
Officer or director change
|
Nov 13, 2018 | Nov 7, 2018 |
Showing 200 filings, the most recent 200. 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.
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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
- Amgen Inc AMGN
- Gilead Sciences, Inc. GILD
- Moderna, Inc. MRNA
- Argenx SE ARGX
- Revolution Medicines, Inc. RVMD
- Biogen Inc. BIIB
- BioNTech SE BNTX
- Exelixis, Inc. EXEL
All 182 Biological Products, (No Diagnostic Substances) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.