Summit Therapeutics Inc. SEC filings SMMT

Summit Therapeutics Inc. has 564 filings in SEC EDGAR's recent list, going back to Mar 4, 2014. Its latest annual report, Form ARS, was filed on Apr 17, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (other events). The company's fiscal year ends on December 31.

Summit Therapeutics Inc. SEC filings
Form Description Filed Period
424B7 Filing Nov 4, 2026 —
424B5 Prospectus supplement Jul 23, 2026 —
424B5 Prospectus supplement Jun 10, 2026 —
S-3ASR Automatic shelf registration Jun 9, 2026 —
S-8 Employee stock plan registration Feb 23, 2026 —
S-3ASR Automatic shelf registration Oct 29, 2025 —
424B5 Prospectus supplement Aug 11, 2025 —
S-8 Employee stock plan registration May 19, 2025 —
S-3ASR Automatic shelf registration Sep 19, 2024 —
S-3ASR Automatic shelf registration Aug 6, 2024 —
424B5 Prospectus supplement May 13, 2024 —
S-8 Employee stock plan registration May 1, 2024 —
S-3 Shelf registration Feb 20, 2024 —
S-3 Shelf registration Mar 17, 2023 —
424B4 Prospectus Feb 7, 2023 —
S-3/A Amendment to form s-3 Jan 23, 2023 —
S-3 Shelf registration Dec 21, 2022 —
424B4 Prospectus Jul 18, 2022 —
S-8 Employee stock plan registration Apr 6, 2022 —
424B4 Prospectus Apr 21, 2021 —
424B4 Prospectus Jan 20, 2021 —
S-3 Shelf registration Jan 8, 2021 —
S-3 Shelf registration Oct 5, 2020 —
S-8 Employee stock plan registration Oct 5, 2020 —
S-8 POS Filing Oct 5, 2020 —
S-8 Employee stock plan registration May 21, 2020 —
424B3 Prospectus Jun 21, 2019 —
F-3 Shelf registration (foreign issuer) Jun 12, 2019 —
F-3 Shelf registration (foreign issuer) May 15, 2018 —
424B5 Prospectus supplement Sep 14, 2017 —
424B5 Prospectus supplement Sep 13, 2017 —
F-3/A Filing May 26, 2016 —
F-3 Shelf registration (foreign issuer) May 12, 2016 —
424B4 Prospectus Mar 5, 2015 —
F-1/A Filing Feb 27, 2015 —
F-6 Form f-6 Feb 20, 2015 —
F-1/A Form f-1 amendment no.1 Feb 20, 2015 —
F-1 Registration statement (foreign issuer) Jan 30, 2015 —

Showing 38 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
Pharmaceutical Preparations (SIC 2834)
Listed as
SMMT (Nasdaq)
Fiscal year ends
December 31
Headquarters
Miami, FL
SEC filer status
Large accelerated filer
SEC CIK
1599298
Former names
Summit Therapeutics plc (until Sep 17, 2020); Summit Corp plc (until Jan 30, 2015)

Other Pharmaceutical Preparations companies

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