# Cellectis S.A.: Form 6-K, filed May 20, 2026

- Company: [Cellectis S.A.](/companies/clls.md) (CIK 1627281)
- Form: 6-K
- Filed: 2026-05-20
- Accepted by EDGAR: May 20, 2026, 16:35 ET
- Period: 2026-05-20
- Accession: 0001171843-26-003579
- Inline XBRL: no
- Main document: https://www.sec.gov/Archives/edgar/data/1627281/000117184326003579/f6k_052026.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/1627281/000117184326003579/

## Sections

Sections are extracted only from 10-K and 10-Q reports. Read this filing’s documents on sec.gov. https://www.sec.gov/Archives/edgar/data/1627281/000117184326003579/f6k_052026.htm

Filed May 20, 2026.
Source: SEC EDGAR, the filing index for accession 0001171843-26-003579. Last ingested by Listed: Oct 28, 2026, 06:05 ET. No prices; not investment advice.