Repligen Corp SEC filings RGEN
Repligen Corp has 1,003 filings in SEC EDGAR's recent list, going back to May 13, 2010. Its latest annual report, Form ARS, was filed on Apr 2, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 30, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 30, 2026 (unregistered share sale, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Oct 30, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Unregistered share sale, Other events
|
Oct 30, 2026 | Oct 29, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 27, 2026 | Oct 27, 2026 |
| 8-K |
Current report
Acquisition or sale of assets, Regulation FD disclosure
|
Oct 6, 2026 | Oct 6, 2026 |
| 425 | Filing | Sep 30, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Sep 15, 2026 | Sep 10, 2026 |
| 425 | Filing | Sep 8, 2026 | — |
| 8-K |
Current report
Other events
|
Sep 8, 2026 | Sep 3, 2026 |
| EFFECT | Filing | Sep 4, 2026 | — |
| 424B3 | Prospectus | Sep 4, 2026 | — |
| S-4/A | Filing | Sep 4, 2026 | — |
| S-4 | Registration for a merger or exchange | Aug 25, 2026 | — |
| 425 | Filing | Aug 4, 2026 | — |
| 10-Q | Quarterly report | Jul 29, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 28, 2026 | Jul 28, 2026 |
| 425 | Filing | Jul 24, 2026 | — |
| 425 | Filing | Jul 22, 2026 | — |
| 425 | Filing | Jul 22, 2026 | — |
| 8-K |
Current report
Material agreement, Results of operations, Regulation FD disclosure, Other events
|
Jul 22, 2026 | Jul 21, 2026 |
| 8-K |
Current report
Shareholder vote results
|
May 15, 2026 | May 14, 2026 |
| 10-Q | Quarterly report | May 6, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 5, 2026 | May 5, 2026 |
| DEFA14A | Additional proxy material | Apr 27, 2026 | — |
| ARS | Annual report to shareholders | Apr 2, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 2, 2026 | — |
| DEF 14A | Proxy statement | Apr 2, 2026 | May 14, 2026 |
| 10-K | Annual report | Feb 26, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 24, 2026 | Feb 24, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jan 6, 2026 | Jan 6, 2026 |
| 10-Q | Quarterly report | Nov 4, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2025 | Oct 28, 2025 |
| UPLOAD | Letter from the SEC | Sep 10, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Sep 2, 2025 | Sep 1, 2025 |
| CORRESP | Letter to the SEC | Aug 26, 2025 | — |
| UPLOAD | Letter from the SEC | Aug 14, 2025 | — |
| 10-Q | Quarterly report | Aug 7, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 29, 2025 | Jul 29, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
May 15, 2025 | May 15, 2025 |
| 10-Q | Quarterly report | Apr 29, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 29, 2025 | Apr 29, 2025 |
| ARS | Annual report to shareholders | Apr 4, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 4, 2025 | — |
| DEF 14A | Proxy statement | Apr 4, 2025 | Apr 3, 2025 |
| PRE 14A | Preliminary proxy statement | Mar 17, 2025 | Mar 17, 2025 |
| 10-K | Annual report | Mar 14, 2025 | Dec 31, 2024 |
| NT 10-K | Filing | Mar 3, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 20, 2025 | Feb 20, 2025 |
| 10-Q | Quarterly report | Nov 18, 2024 | Sep 30, 2024 |
| 10-Q/A | Amended quarterly report | Nov 18, 2024 | Jun 30, 2024 |
| 10-Q/A | Amended quarterly report | Nov 18, 2024 | Mar 31, 2024 |
| 10-K/A | Amended annual report | Nov 18, 2024 | Dec 31, 2023 |
| 10-Q/A | Amended quarterly report | Nov 18, 2024 | Sep 30, 2023 |
| 10-Q/A | Amended quarterly report | Nov 18, 2024 | Jun 30, 2023 |
| 10-Q/A | Amended quarterly report | Nov 18, 2024 | Mar 31, 2023 |
| NT 10-Q | Filing | Nov 12, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 12, 2024 | Nov 12, 2024 |
| 8-K |
Current report
Results of operations, Restatement, Regulation FD disclosure
|
Sep 18, 2024 | Sep 12, 2024 |
| UPLOAD | Letter from the SEC | Aug 12, 2024 | — |
| CORRESP | Letter to the SEC | Aug 6, 2024 | — |
| 10-Q | Quarterly report | Jul 30, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2024 | Jul 30, 2024 |
| UPLOAD | Letter from the SEC | Jul 24, 2024 | — |
| 8-K |
Current report
Other events
|
Jul 15, 2024 | Jul 15, 2024 |
| 8-K |
Current report
Officer or director change
|
Jun 14, 2024 | Jun 12, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 13, 2024 | Jun 13, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 17, 2024 | May 16, 2024 |
| DEFA14A | Additional proxy material | May 3, 2024 | — |
| 10-Q | Quarterly report | May 1, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 1, 2024 | May 1, 2024 |
| ARS | Annual report to shareholders | Apr 1, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 1, 2024 | — |
| DEF 14A | Proxy statement | Apr 1, 2024 | May 16, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Mar 19, 2024 | Mar 18, 2024 |
| 10-K | Annual report | Feb 22, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 21, 2024 | Feb 21, 2024 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Dec 15, 2023 | Dec 14, 2023 |
| 8-K |
Current report
Unregistered share sale, Other events
|
Dec 7, 2023 | Dec 7, 2023 |
| 10-Q | Quarterly report | Oct 31, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Oct 31, 2023 | Oct 31, 2023 |
| 8-K |
Current report
Officer or director change
|
Oct 2, 2023 | Oct 2, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 26, 2023 | Sep 26, 2023 |
| 8-K |
Current report
Officer or director change
|
Sep 12, 2023 | Sep 8, 2023 |
| 10-Q | Quarterly report | Aug 2, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2023 | Aug 2, 2023 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
May 22, 2023 | May 18, 2023 |
| 10-Q | Quarterly report | May 2, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 2, 2023 | May 2, 2023 |
| 8-K |
Current report
Other events
|
Apr 18, 2023 | Apr 17, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 12, 2023 | Apr 12, 2023 |
| ARS | Annual report to shareholders | Apr 11, 2023 | Dec 31, 2022 |
| DEF 14A | Proxy statement | Apr 11, 2023 | — |
| PRE 14A | Preliminary proxy statement | Mar 24, 2023 | — |
| 10-K | Annual report | Feb 22, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 22, 2023 | Feb 22, 2023 |
| 8-K |
Current report
Officer or director change
|
Feb 9, 2023 | Feb 6, 2023 |
| 10-Q | Quarterly report | Nov 1, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 1, 2022 | Nov 1, 2022 |
| 10-Q | Quarterly report | Aug 2, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2022 | Aug 2, 2022 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Other events
|
Jun 1, 2022 | May 26, 2022 |
| 10-Q | Quarterly report | Apr 27, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
Apr 27, 2022 | Apr 27, 2022 |
| DEFA14A | Additional proxy material | Apr 11, 2022 | — |
| DEF 14A | Proxy statement | Apr 11, 2022 | May 26, 2022 |
| 8-K |
Current report
Material agreement
|
Mar 8, 2022 | Mar 4, 2022 |
| 10-K | Annual report | Feb 17, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 17, 2022 | Feb 17, 2022 |
| CT ORDER | Filing | Jan 31, 2022 | — |
| 8-K |
Current report
Officer or director change
|
Jan 4, 2022 | Jan 3, 2022 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Dec 16, 2021 | Dec 16, 2021 |
| 424B7 | Filing | Nov 5, 2021 | — |
| 10-Q | Quarterly report | Oct 28, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2021 | Oct 28, 2021 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 16, 2021 | Sep 16, 2021 |
| 8-K |
Current report
Other events
|
Sep 3, 2021 | Sep 3, 2021 |
| 10-Q | Quarterly report | Jul 27, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Jul 27, 2021 | Jul 27, 2021 |
| 8-K |
Current report
Shareholder vote results
|
May 19, 2021 | May 13, 2021 |
| DEFR14A | Filing | May 5, 2021 | — |
| 10-Q | Quarterly report | May 4, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
May 4, 2021 | May 4, 2021 |
| DEF 14A | Proxy statement | Apr 21, 2021 | May 13, 2021 |
| 10-K | Annual report | Feb 24, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 24, 2021 | Feb 24, 2021 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jan 28, 2021 | Jan 27, 2021 |
| 8-K |
Current report
Material agreement, Other events
|
Dec 8, 2020 | Dec 7, 2020 |
| 424B5 | Prospectus supplement | Dec 8, 2020 | — |
| 424B5 | Prospectus supplement | Dec 7, 2020 | — |
| 10-Q | Quarterly report | Nov 5, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2020 | Nov 5, 2020 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Oct 27, 2020 | Oct 27, 2020 |
| 10-Q | Quarterly report | Jul 30, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2020 | Jul 30, 2020 |
| 8-K |
Current report
Material agreement
|
Jul 10, 2020 | Jul 7, 2020 |
| 8-K |
Current report
Other events
|
Jun 29, 2020 | Jun 29, 2020 |
| 8-K |
Current report
Officer or director change
|
Jun 15, 2020 | Jun 11, 2020 |
| 8-K |
Current report
Shareholder vote results
|
May 15, 2020 | May 13, 2020 |
| 10-Q | Quarterly report | May 6, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
May 6, 2020 | May 6, 2020 |
| DEF 14A | Proxy statement | Apr 28, 2020 | May 13, 2020 |
| 8-K |
Current report
Officer or director change
|
Feb 27, 2020 | Feb 26, 2020 |
| 10-K | Annual report | Feb 26, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Results of operations
|
Feb 20, 2020 | Feb 20, 2020 |
| 10-Q | Quarterly report | Oct 31, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Results of operations
|
Oct 31, 2019 | Oct 31, 2019 |
| 10-Q | Quarterly report | Aug 1, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2019 | Aug 1, 2019 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Regulation FD disclosure, Other events
|
Jul 22, 2019 | Jul 16, 2019 |
| 8-K |
Current report
Material agreement, Other events
|
Jul 18, 2019 | Jul 16, 2019 |
| 424B5 | Prospectus supplement | Jul 17, 2019 | — |
| 424B5 | Prospectus supplement | Jul 17, 2019 | — |
| FWP | Free writing prospectus | Jul 17, 2019 | — |
| 305B2 | Filing | Jul 15, 2019 | — |
| 424B5 | Prospectus supplement | Jul 15, 2019 | — |
| 424B5 | Prospectus supplement | Jul 15, 2019 | — |
| 8-K |
Current report
Results of operations
|
Jul 15, 2019 | Jul 15, 2019 |
| 8-K/A |
Amended current report
Other events
|
Jul 15, 2019 | Apr 25, 2019 |
| 8-K |
Current report
Officer or director change
|
Jun 19, 2019 | Jun 13, 2019 |
| D | Filing | Jun 13, 2019 | — |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale
|
May 31, 2019 | May 29, 2019 |
| 8-K |
Current report
Shareholder vote results
|
May 21, 2019 | May 15, 2019 |
| 10-Q | Quarterly report | May 9, 2019 | Mar 31, 2019 |
| 8-K |
Current report
Results of operations
|
May 9, 2019 | May 9, 2019 |
| 8-K |
Current report
Material agreement, Other events
|
May 1, 2019 | Apr 30, 2019 |
| 424B5 | Prospectus supplement | May 1, 2019 | — |
| 424B5 | Prospectus supplement | Apr 29, 2019 | — |
| S-3ASR | Automatic shelf registration | Apr 29, 2019 | — |
| 8-K/A |
Amended current report
Other events
|
Apr 29, 2019 | Apr 25, 2019 |
| 8-K |
Current report
Material agreement, Results of operations, Regulation FD disclosure
|
Apr 26, 2019 | Apr 25, 2019 |
| DEF 14A | Proxy statement | Apr 18, 2019 | May 15, 2019 |
| 10-K | Annual report | Mar 1, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Results of operations
|
Feb 21, 2019 | Feb 21, 2019 |
| 10-Q | Quarterly report | Nov 1, 2018 | Sep 30, 2018 |
| 8-K |
Current report
Results of operations
|
Nov 1, 2018 | Nov 1, 2018 |
| 10-Q | Quarterly report | Aug 2, 2018 | Jun 30, 2018 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2018 | Aug 2, 2018 |
| CT ORDER | Filing | Jun 5, 2018 | — |
| 8-K |
Current report
Shareholder vote results
|
May 22, 2018 | May 16, 2018 |
| S-8 | Employee stock plan registration | May 16, 2018 | — |
| 10-Q | Quarterly report | May 8, 2018 | Mar 31, 2018 |
| 8-K |
Current report
Results of operations
|
May 8, 2018 | May 8, 2018 |
| DEFA14A | Additional proxy material | May 3, 2018 | — |
| DEF 14A | Proxy statement | Apr 20, 2018 | May 16, 2018 |
| 10-K | Annual report | Feb 22, 2018 | Dec 31, 2017 |
| 8-K |
Current report
Results of operations
|
Feb 22, 2018 | Feb 22, 2018 |
| 8-K |
Current report
Material agreement
|
Feb 8, 2018 | Feb 6, 2018 |
| 8-K |
Current report
Officer or director change
|
Nov 22, 2017 | Nov 20, 2017 |
| 10-Q | Quarterly report | Nov 9, 2017 | Sep 30, 2017 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2017 | Nov 9, 2017 |
| 8-K/A | Amended current report | Oct 12, 2017 | Aug 1, 2017 |
| D | Filing | Aug 8, 2017 | — |
| 10-Q | Quarterly report | Aug 3, 2017 | Jun 30, 2017 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2017 | Aug 3, 2017 |
| 8-K |
Current report
Acquisition or sale of assets, Unregistered share sale
|
Aug 3, 2017 | Aug 1, 2017 |
| 8-K |
Current report
Material agreement, Other events
|
Jun 29, 2017 | Jun 27, 2017 |
| 424B5 | Prospectus supplement | Jun 29, 2017 | — |
| 424B5 | Prospectus supplement | Jun 26, 2017 | — |
| 8-K/A |
Amended current report
Other events
|
Jun 26, 2017 | Jun 22, 2017 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Jun 23, 2017 | Jun 22, 2017 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
May 23, 2017 | May 18, 2017 |
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
- RGEN (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Waltham, MA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 730272
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All 182 Biological Products, (No Diagnostic Substances) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.