Cellectis S.A 6-K, filed May 20, 2026
Cellectis S.A. (CLLS)
About this 6-K
Cellectis S.A filed this 6-K on May 20, 2026.
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form 6-K
REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934
Date of Report: May 20, 2026
Commission File Number: 001-36891
Cellectis S.A.
(Exact Name of registrant as specified in its charter)
8, rue de la Croix Jarry
75013 Paris, France
+33 1 81 69 16 00
(Address of principal executive office)
Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.
Form 20-F [ X ] Form 40-F [ ]
EXHIBIT INDEX
| Exhibit | Title | |
| 99.1 | Press Release dated May 20, 2026 |
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
| Cellectis S.A. | ||
| (Registrant) | ||
| Date: May 20, 2026 | /s/ André Choulika | |
| André Choulika | ||
| Chief Executive Officer | ||
EXHIBIT 99.1
Cellectis’ Annual Shareholders General Meeting to be Held on June 25, 2026
NEW YORK, May 20, 2026 (GLOBE NEWSWIRE) -- Cellectis (the “Company”) (Euronext Growth: ALCLS- NASDAQ: CLLS), a clinical-stage biotechnology company using its pioneering gene-editing platform to develop life-saving cell and gene therapies, announced today that it will hold its annual general meeting on June 25, 2026 at 2:30 p.m. CET at the Biopark auditorium, 11 rue Watt, 4th floor, 75013 Paris, France.
The notice of meeting is available on the Cellectis website: https://www.cellectis.com/en/investors/general-meetings/
About Cellectis
Cellectis is a clinical-stage biotechnology company using its pioneering gene-editing platform to develop life-saving cell and gene therapies. The company utilizes an allogeneic approach for CAR T immunotherapies in oncology, pioneering the concept of off-the-shelf and ready-to-use gene-edited CAR T-cells to treat cancer patients, and a platform to develop gene therapies in other therapeutic indications. With its in-house manufacturing capabilities, Cellectis is one of the few end-to-end gene editing companies that controls the cell and gene therapy value chain from start to finish.
Cellectis’ headquarters are in Paris, France, with locations in New York and Raleigh, NC. Cellectis is listed on the Nasdaq Global Market (ticker: CLLS) and on Euronext Growth (ticker: ALCLS).
To find out more, visit www.cellectis.com and follow Cellectis on LinkedIn and X.
For further information on Cellectis, please contact:
Media contacts:
Pascalyne Wilson, Director, Communications, + 33 (0)7 76 99 14 33, media@cellectis.com
Patricia Sosa Navarro, Chief of Staff to the CEO, +33 (0)7 76 77 46 93
Investor Relations contact:
Arthur Stril, Chief Financial Officer & Chief Business Officer, investors@cellectis.com
Attachment
- Shareholder's meeting announcement PR_ENGLISH.pdf (https://ml.globenewswire.com/Resource/Download/237f5979-2016-4b99-909a-a37de1d30ac6)