# REPLIGEN CORP — DEF 14A

REPLIGEN CORP of WALTHAM, MA filed a DEF 14A with the SEC on 1995-08-22. Industry: Biological Products, (No Diagnostic Substances).

## Filing

- Filed: 1995-08-22
- Form: DEF 14A
- Accession: 0000950146-95-000473
- Registrant: REPLIGEN CORP
- CIK: 0000730272
- Industry (SIC): Biological Products, (No Diagnostic Substances) (2836)
- State of incorporation: DE
- Location: WALTHAM, MA

## Filing timeline for this registrant (53)

_Showing 12 of 53 filings._

| Filed | Form |
| --- | --- |
| [2026-09-08](https://search.stillhousedata.com/proxy/0001193125-26-385382) | 425 |
| [2026-08-04](https://search.stillhousedata.com/proxy/0001193125-26-331080) | 425 |
| [2026-07-24](https://search.stillhousedata.com/proxy/0001193125-26-314654) | 425 |
| [2026-07-22](https://search.stillhousedata.com/proxy/0001193125-26-312409) | 425 |
| [2026-07-22](https://search.stillhousedata.com/proxy/0001193125-26-311411) | 425 |
| [2026-04-27](https://search.stillhousedata.com/proxy/0001193125-26-182014) | DEFA14A |
| [2026-04-02](https://search.stillhousedata.com/proxy/0001193125-26-140126) | DEFA14A |
| [2026-04-02](https://search.stillhousedata.com/proxy/0001193125-26-140115) | DEF 14A |
| [2025-04-04](https://search.stillhousedata.com/proxy/0001193125-25-073456) | DEFA14A |
| [2025-04-04](https://search.stillhousedata.com/proxy/0000950170-25-051141) | DEF 14A |
| [2025-03-17](https://search.stillhousedata.com/proxy/0000950170-25-040321) | PRE 14A |
| [2024-05-03](https://search.stillhousedata.com/proxy/0001193125-24-129681) | DEFA14A |

## More

- [CIK 730272 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=730272&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950146-95-000473.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.
