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 |
|---|---|---|---|
| Passive ownership stake | SC 13G | 2000-09-11 | - |
| Quarterly report | 10-Q | 2000-08-11 | 2000-06-30 |
| Proxy statement | DEF 14A | 2000-07-21 | 2000-09-14 |
| Insider trade | 4 | 2000-07-10 | 2000-06-01 |
| Annual report | 10-K | 2000-06-23 | 2000-03-31 |
| Major company event | 8-K | 2000-05-19 | 2000-05-09 |
| Securities registration | S-3 | 2000-05-04 | - |
| Securities registration | S-3 | 2000-04-18 | - |
| Insider trade | 4 | 2000-04-11 | 2000-03-01 |
| Major company event | 8-K | 2000-03-21 | 2000-03-07 |
| S-3/A | - | 2000-03-10 | - |
| Securities registration | S-3 | 2000-03-03 | - |
| S-3/A | - | 2000-02-17 | - |
| Passive ownership stake (update) | SC 13G/A | 2000-02-14 | - |
| Quarterly report | 10-Q | 2000-02-14 | 1999-12-31 |
| Passive ownership stake | SC 13G | 2000-02-11 | - |
| Insider trade | 4 | 2000-02-10 | 2000-01-01 |
| Insider trade | 4 | 2000-02-10 | 2000-01-01 |
| Insider trade | 4 | 2000-02-10 | 2000-01-01 |
| Securities registration | S-3 | 2000-01-28 | - |
| Quarterly report | 10-Q | 1999-11-15 | 1999-09-30 |
| Major company event | 8-K | 1999-10-06 | 1999-10-01 |
| Passive ownership stake (update) | SC 13G/A | 1999-08-27 | - |
| Quarterly report | 10-Q | 1999-08-13 | 1999-06-30 |
| Proxy statement | DEF 14A | 1999-07-29 | 1999-09-16 |
| PRE 14A | - | 1999-07-19 | 1999-09-16 |
| POS AM | - | 1999-07-01 | - |
| Annual report | 10-K | 1999-06-29 | 1999-03-31 |
| S-3/A | - | 1999-06-16 | - |
| S-3/A | - | 1999-06-15 | - |
| Major company event (amended) | 8-K/A | 1999-06-15 | 1999-03-09 |
| Passive ownership stake | SC 13G | 1999-05-28 | - |
| Activist ownership stake (update) | SC 13D/A | 1999-05-28 | - |
| Securities registration | S-3 | 1999-05-28 | - |
| Major company event | 8-K | 1999-05-17 | 1999-03-31 |
| S-3/A | - | 1999-05-14 | - |
| Securities registration | S-3 | 1999-04-09 | - |
| Major company event | 8-K | 1999-03-24 | 1999-03-09 |
| Passive ownership stake (update) | SC 13G/A | 1999-02-16 | - |
| Quarterly report | 10-Q | 1999-02-12 | 1998-12-31 |
| Quarterly report | 10-Q | 1998-11-13 | 1998-09-30 |
| Activist ownership stake | SC 13D | 1998-09-09 | - |
| Quarterly report | 10-Q | 1998-08-07 | 1998-06-30 |
| Proxy statement | DEF 14A | 1998-07-20 | 1998-09-10 |
| Passive ownership stake | SC 13G | 1998-07-09 | - |
| Securities registration | S-3 | 1998-06-29 | - |
| Annual report | 10-K | 1998-06-26 | 1998-03-31 |
| Passive ownership stake | SC 13G | 1998-05-22 | - |
| Activist ownership stake | SC 13D | 1998-05-22 | - |
| Quarterly report | 10-Q | 1998-02-12 | 1997-12-31 |