CLLS

NEW YORK, June 25, 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, held today its shareholders general meeting at 2:30 p.m. CET at the Biopark auditorium, 11 rue Watt, 4th floor, 75013 Paris, France.

NEW YORK, June 11, 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, presents final Phase 1 data from the BALLI-01 clinical trial evaluating lasme-cel, a CD22 directed allogeneic CAR-T therapy, in patients with relapsed/refractory B-cell acute lymphoblastic leukemia (r/r B-ALL), and preliminary data from the NATHALI-01 study evaluating eti-cel, a dual CD20 and CD22 directed CAR-T in relapsed/refractory B-cell non Hodgkin lymphoma (r/r B-NHL), at the European Hematology Association (EHA) 2026 Annual Congress.

NEW YORK, June 09, 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, today announced that the U.S. Food and Drug Administration (FDA) granted Regenerative Medicine Advanced Therapy (RMAT) designation to lasmecabtagene timgedleucel (lasme-cel), its CD22-targeting allogeneic CAR-T cell therapy product candidate, for the treatment of patients with relapsed or refractory B-cell acute lymphoblastic leukemia (r/r B-ALL).

PARIS, June 03, 2026 (GLOBE NEWSWIRE) -- Listing market: Euronext Growth ISIN code: FR0010425595 Date Total number of shares in the capital Total number of voting rights 05/31/2026 100,691,658 106,134,467 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  Attachments Voting_Rights_PR_May_2026_EN

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.

NEW YORK, May 12, 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, today announced upcoming presentations on the BALLI-01 and NATHALI-01 clinical trials, at the European Hematology Association (EHA) annual congress, on June 11-14, 2026, in Stockholm, Sweden.

Pivotal Phase 2 with lasme-cel in r/r B-ALL (BALLI-01 trial)  Pivotal Phase 2 first interim analysis expected in Q4 2026 BLA submission anticipated in 2028 Phase 1 with eti-cel in r/r NHL (NATHALI-01 trial) Full Phase 1 dataset expected in Q4 2026 Innovation Preclinical data on TALE-based epigenetic editing, a non-DNA cutting approach, to be presented at ASGCT Servier (through Allogene): Interim pivotal data reported from the ALPHA3 trial of cema-cel (n=24) 58.3% of patients in the cema-cel arm achieved MRD negativity versus 16.7% in the observation arm Favorable safety profile: no cases of CRS, ICANS, GvHD, or Treatment-Related Serious Adverse Events Study accrual expected to be completed by year-end 2027, interim EFS analysis in mid-2027, primary EFS analysis in mid-2028 Cash, cash equivalents and fixed-term deposits of $188 million as of March 31, 2026 1 provide runway into Q4 2027  NEW YORK, May 11, 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, today provided financial results for the first quarter 2026, ending March 31, 2026 and provided a business update. "The interim pivotal data published by Allogene on cema-cel, a product originally developed by Cellectis as UCART19, are a proud validation of our vision: that allogeneic, off-the-shelf cell therapy candidates could deliver transformative outcomes for cancer patients.

(Article 223-16 of General Regulation of the French financial markets authority) (Article 223-16 of General Regulation of the French financial markets authority)

NEW YORK, May 04, 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, today announced that it will report financial results for the first quarter 2026 ending March 31, 2026 on Monday, May 11, 2026 after the close of the US market.

NEW YORK, April 27, 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, today presents new research on a TALE-based epigenetic editing approach, that does not cut or permanently modify the DNA sequence, making it a potentially safer alternative for genome editing, at the American Society of Gene and Cell Therapy (ASGCT) annual meeting, that will be held on May 11-15, in Boston (MA).