REPLIGEN CORP (RGEN) Form 8-K Material Events
REPLIGEN CORP (RGEN) is a publicly traded company on the Nasdaq, categorized under SIC 2836 (Biological Products, (No Diagnostic Substances)). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: RGEN
CIK: 730272
Exchange: Nasdaq
SIC 2836: Biological Products, (No Diagnostic Substances)
Fiscal Year End: 12/31
State: DE
Independent PCAOB Auditor
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Audit Firm
Ernst & Young LLP
Auditor SinceSince 12/31/2016 12:00:00 AM
Lead Engagement PartnerMichael Mc Collister
Audit LocationBoston, Massachusetts, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 4 | 2026-10-08 | 2026-10-06 | FORM 4 | 0001628280-26-065462 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-10-07 | — | SCHEDULE 13G/A Filing | 0000315066-26-002329 | View SEC Doc Filr Page |
| 4 | 2026-10-06 | 2026-10-05 | FORM 4 | 0001628280-26-065238 | View SEC Doc Filr Page |
| 8-K | 2026-10-06 | 2026-10-06 | 8-K | 0001193125-26-415015 | View SEC Doc Filr Page |
| 144 | 2026-10-05 | — | 144 Filing | 0001959173-26-007273 | View SEC Doc Filr Page |
| 4 | 2026-10-05 | 2026-10-02 | FORM 4 | 0001628280-26-064889 | View SEC Doc Filr Page |
| 144 | 2026-10-05 | — | 144 Filing | 0001959173-26-007257 | View SEC Doc Filr Page |
| 425 | 2026-09-30 | — | 425 | 0001193125-26-408201 | View SEC Doc Filr Page |
| 4 | 2026-09-28 | 2026-09-25 | FORM 4 | 0001628280-26-063714 | View SEC Doc Filr Page |
| 4 | 2026-09-25 | 2026-09-24 | FORM 4 | 0001628280-26-063572 | View SEC Doc Filr Page |
| 144 | 2026-09-24 | — | 144 Filing | 0001959173-26-007110 | View SEC Doc Filr Page |
| 4 | 2026-09-22 | 2026-09-21 | FORM 4 | 0001628280-26-063026 | View SEC Doc Filr Page |
| 144 | 2026-09-21 | — | 144 Filing | 0001959173-26-007059 | View SEC Doc Filr Page |
| 8-K | 2026-09-15 | 2026-09-10 | 8-K | 0001628280-26-062043 | View SEC Doc Filr Page |
| 425 | 2026-09-08 | — | 425 | 0001193125-26-385382 | View SEC Doc Filr Page |
| 8-K | 2026-09-08 | 2026-09-03 | 8-K | 0001193125-26-385380 | View SEC Doc Filr Page |
| 4 | 2026-09-08 | 2026-09-03 | FORM 4 | 0001628280-26-060911 | View SEC Doc Filr Page |
| EFFECT | 2026-09-04 | — | EFFECT Filing | 9999999995-26-002896 | View SEC Doc Filr Page |
| 424B3 | 2026-09-04 | — | 424B3 | 0001193125-26-383830 | View SEC Doc Filr Page |
| 144 | 2026-09-04 | — | 144 Filing | 0001959173-26-006730 | View SEC Doc Filr Page |
| S-4/A | 2026-09-04 | — | S-4/A | 0001193125-26-382362 | View SEC Doc Filr Page |
| 4 | 2026-09-02 | 2026-03-05 | FORM 4 | 0001628280-26-060105 | View SEC Doc Filr Page |
| S-4 | 2026-08-25 | — | S-4 | 0001193125-26-363970 | View SEC Doc Filr Page |
| 4 | 2026-08-21 | 2026-08-20 | FORM 4 | 0001628280-26-058417 | View SEC Doc Filr Page |
| 144 | 2026-08-20 | — | 144 Filing | 0001959173-26-006257 | View SEC Doc Filr Page |