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
425 Filing Sep 30, 2026 —
425 Filing Sep 8, 2026 —
EFFECT Filing Sep 4, 2026 —
425 Filing Aug 4, 2026 —
425 Filing Jul 24, 2026 —
425 Filing Jul 22, 2026 —
425 Filing Jul 22, 2026 —
UPLOAD Letter from the SEC Sep 10, 2025 —
CORRESP Letter to the SEC Aug 26, 2025 —
UPLOAD Letter from the SEC Aug 14, 2025 —
NT 10-K Filing Mar 3, 2025 Dec 31, 2024
NT 10-Q Filing Nov 12, 2024 Sep 30, 2024
UPLOAD Letter from the SEC Aug 12, 2024 —
CORRESP Letter to the SEC Aug 6, 2024 —
UPLOAD Letter from the SEC Jul 24, 2024 —
CT ORDER Filing Jan 31, 2022 —
DEFR14A Filing May 5, 2021 —
305B2 Filing Jul 15, 2019 —
D Filing Jun 13, 2019 —
CT ORDER Filing Jun 5, 2018 —
D Filing Aug 8, 2017 —
UPLOAD Letter from the SEC Mar 8, 2017 —
CORRESP Letter to the SEC Feb 14, 2017 —
CORRESP Letter to the SEC Jan 24, 2017 —
CORRESP Letter to the SEC Jan 9, 2017 —
UPLOAD Letter from the SEC Dec 22, 2016 —
CT ORDER Filing Jul 26, 2016 —
305B2 Filing May 19, 2016 —
NT 10-K Form nt 10-k Mar 3, 2015 Dec 31, 2014
UPLOAD Letter from the SEC Feb 25, 2015 —
CORRESP Letter to the SEC Feb 19, 2015 —
UPLOAD Letter from the SEC Feb 13, 2015 —
CORRESP Letter to the SEC Jan 20, 2015 —
CORRESP Letter to the SEC Dec 30, 2014 —
UPLOAD Letter from the SEC Dec 23, 2014 —
CT ORDER Filing Sep 18, 2014 —
CT ORDER Filing Jun 30, 2014 —
D Filing Jun 16, 2014 —
CT ORDER Filing May 22, 2013 —
CT ORDER Filing Jul 26, 2012 —
CT ORDER Filing Jul 26, 2012 —
NO ACT Auto-generated paper document Apr 17, 2012 Apr 4, 2012
8-A12G/A Form 8-a/a Sep 8, 2011 —
CT ORDER Filing Jul 22, 2010 —
CT ORDER Filing Jul 6, 2010 —

Showing 45 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.