Cellectis S.A. SEC filings CLLS

Cellectis S.A. has 534 filings in SEC EDGAR's recent list, going back to Dec 19, 2014. Its latest annual report, Form 20-F, was filed on Mar 20, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Oct 28, 2026. The company's fiscal year ends on December 31.

Cellectis S.A. SEC filings
Form Description Filed Period
SCHEDULE 13D/A Amended ownership over 5% (active) Dec 12, 2025 —
SCHEDULE 13D/A Amended ownership over 5% (active) Jan 30, 2025 —
SCHEDULE 13D/A Amended ownership over 5% (active) Jan 24, 2025 —
SC 13D/A Amended ownership over 5% (active) May 21, 2024 —
SC 13G/A Amended ownership over 5% (passive) Feb 14, 2024 —
SC 13G/A Amended ownership over 5% (passive) Feb 14, 2024 —
SC 13G/A Amended ownership over 5% (passive) Dec 5, 2023 —
SC 13D/A Amended ownership over 5% (active) Nov 16, 2023 —
SC 13D/A Amended ownership over 5% (active) Nov 13, 2023 —
SC 13D Ownership over 5% (active) Nov 9, 2023 —
SC 13D/A Amended ownership over 5% (active) Jun 1, 2023 —
SC 13G/A Amended ownership over 5% (passive) Feb 14, 2023 —
SC 13D/A Amended ownership over 5% (active) Feb 14, 2023 —
SC 13G/A Amended ownership over 5% (passive) Jan 18, 2023 —
SC 13D/A Amended ownership over 5% (active) Jan 17, 2023 —
SC 13D/A Amended ownership over 5% (active) Nov 1, 2022 —
SC 13G Ownership over 5% (passive) May 3, 2022 —
SC 13G/A Amended ownership over 5% (passive) Feb 11, 2022 —
SC 13G/A Amended ownership over 5% (passive) Feb 9, 2022 —
SC 13G Ownership over 5% (passive) Jan 12, 2022 —
SC 13G/A Amended ownership over 5% (passive) Feb 16, 2021 —
SC 13G/A Amended ownership over 5% (passive) Feb 16, 2021 —
SC 13D/A Amended ownership over 5% (active) Feb 12, 2021 —
SC 13G/A Amended ownership over 5% (passive) Feb 8, 2021 —
SC 13G Ownership over 5% (passive) Nov 10, 2020 —
SC 13D/A Amended ownership over 5% (active) Oct 23, 2020 —
4 Insider transaction Oct 20, 2020 Oct 16, 2020
SC 13D Ownership over 5% (active) Aug 4, 2020 —
SC 13D/A Amended ownership over 5% (active) Jul 10, 2020 —
SC 13G Ownership over 5% (passive) Feb 14, 2020 —
SC 13G/A Amended ownership over 5% (passive) Feb 7, 2020 —
SC 13D/A Amended ownership over 5% (active) Sep 23, 2019 —
SC 13G/A Amended ownership over 5% (passive) Feb 13, 2019 —
SC 13D/A Amended ownership over 5% (active) Jun 15, 2018 —
4 Insider transaction Jun 15, 2018 Jun 15, 2018
SC 13D Ownership over 5% (active) May 29, 2018 —
4 Insider transaction May 21, 2018 May 17, 2018
SC 13G Ownership over 5% (passive) Feb 14, 2018 —
SC 13G/A Amended ownership over 5% (passive) Feb 13, 2018 —
SC 13G/A Amended ownership over 5% (passive) Feb 13, 2018 —
3 Initial insider ownership Jul 20, 2017 Jul 19, 2017
SC 13G/A Amended ownership over 5% (passive) Feb 15, 2017 —
SC 13G Ownership over 5% (passive) Feb 14, 2017 —
SC 13G Ownership over 5% (passive) Feb 13, 2017 —
SC 13G/A Amended ownership over 5% (passive) Jan 10, 2017 —
SC 13G Ownership over 5% (passive) Feb 16, 2016 —
SC 13G Ownership over 5% (passive) Feb 12, 2016 —
SC 13G Ownership over 5% (passive) Feb 12, 2016 —

Showing 48 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
CLLS (Nasdaq)
Fiscal year ends
December 31
Incorporated in
France
Headquarters
Paris, Lle-De-France
SEC filer status
Accelerated filer
SEC CIK
1627281

Other Biological Products, (No Diagnostic Substances) companies

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