Cellectis S.A. is a clinical-stage biotechnology company that develops gene-editing-based products. Its portfolio includes allogeneic chimeric antigen receptor T-cell product candidates in immuno-oncology and gene therapy product candidates for other therapeutic indications. The company is developing BALLI-01 to evaluate the safety, expansion, persistence, and clinical activity of lasme-cel in patients with relapsed or refractory acute lymphoblastic leukemia (r/r ALL), and NatHaLi-01 to evaluate the safety, expansion, persistence, and clinical activity of eti-cel in patients with relapsed or refractory B-cell non-Hodgkin's lymphoma (B-NHL). It is also developing ALPHA3 for large B-cell lymphoma (LBCL), TRAVERSE for advanced or metastatic clear cell renal cell carcinoma (RCC), and a program for unresectable or metastatic melanoma. Cellectis S.A. was founded in 1999 and is headquartered in Paris, France.