RGEN - CIK 0000730272
REPLIGEN CORP has filed 1,331 documents with the SEC between 1995 and 2026. The most frequent type is insider trade (594 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Activist ownership stake (update) | SC 13D/A | 1998-01-08 | - |
| Major company event | 8-K | 1998-01-02 | 1997-12-31 |
| Quarterly report | 10-Q | 1997-11-13 | 1997-09-30 |
| Quarterly report | 10-Q | 1997-08-01 | 1997-06-30 |
| Insider trade | 4 | 1997-07-11 | 1997-06-30 |
| Insider trade | 4 | 1997-07-11 | 1997-06-30 |
| 424B3 | - | 1997-07-09 | - |
| Activist ownership stake (update) | SC 13D/A | 1997-07-02 | - |
| Securities registration | S-3 | 1997-06-30 | - |
| Proxy statement | DEF 14A | 1997-06-17 | 1997-07-24 |
| Annual report | 10-K | 1997-06-02 | 1997-03-31 |
| Activist ownership stake (update) | SC 13D/A | 1997-04-24 | - |
| Activist ownership stake (update) | SC 13D/A | 1997-04-07 | - |
| Activist ownership stake (update) | SC 13D/A | 1997-03-13 | - |
| Activist ownership stake (update) | SC 13D/A | 1997-02-19 | - |
| Quarterly report | 10-Q | 1997-02-13 | 1996-12-31 |
| Activist ownership stake (update) | SC 13D/A | 1997-01-15 | - |
| Activist ownership stake (update) | SC 13D/A | 1997-01-03 | - |
| Activist ownership stake | SC 13D | 1996-12-10 | - |
| Quarterly report | 10-Q | 1996-11-14 | 1996-06-30 |
| Quarterly report | 10-Q | 1996-11-12 | 1996-09-30 |
| Proxy statement | DEF 14A | 1996-07-26 | 1996-09-10 |
| Annual report | 10-K | 1996-06-27 | 1996-03-31 |
| Quarterly report | 10-Q | 1996-02-20 | 1995-12-31 |
| NT 10-Q | - | 1996-02-13 | 1995-12-31 |
| Quarterly report | 10-Q | 1995-11-14 | 1995-09-30 |
| Proxy statement | DEF 14A | 1995-08-22 | 1995-09-14 |
| Annual report (amended) | 10-K/A | 1995-08-18 | 1995-03-31 |
| Quarterly report | 10-Q | 1995-08-14 | 1995-06-30 |
| Annual report | 10-K | 1995-07-17 | 1995-03-31 |
| NT 10-K | - | 1995-06-29 | 1995-03-31 |