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.

Repligen Corp SEC filings
Form Description Filed Period
424B3 Prospectus Sep 4, 2026 —
S-4/A Filing Sep 4, 2026 —
S-4 Registration for a merger or exchange Aug 25, 2026 —
424B7 Filing Nov 5, 2021 —
424B5 Prospectus supplement Dec 8, 2020 —
424B5 Prospectus supplement Dec 7, 2020 —
424B5 Prospectus supplement Jul 17, 2019 —
424B5 Prospectus supplement Jul 17, 2019 —
FWP Free writing prospectus Jul 17, 2019 —
424B5 Prospectus supplement Jul 15, 2019 —
424B5 Prospectus supplement Jul 15, 2019 —
424B5 Prospectus supplement May 1, 2019 —
424B5 Prospectus supplement Apr 29, 2019 —
S-3ASR Automatic shelf registration Apr 29, 2019 —
S-8 Employee stock plan registration May 16, 2018 —
424B5 Prospectus supplement Jun 29, 2017 —
424B5 Prospectus supplement Jun 26, 2017 —
424B5 Prospectus supplement May 20, 2016 —
FWP Free writing prospectus May 19, 2016 —
424B5 Prospectus supplement May 18, 2016 —
S-3ASR Automatic shelf registration May 18, 2016 —
S-3ASR Automatic shelf registration Apr 15, 2016 —
S-8 Employee stock plan registration Jun 2, 2014 —
S-8 Employee stock plan registration Nov 8, 2012 —
S-8 Employee stock plan registration May 24, 2012 —

Showing 25 filings. 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.

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

Other Biological Products, (No Diagnostic Substances) companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.