Cellectis

CLLS

Market cap $399M

○ Efficacy: ORR of 68% with lasme-cel Process 2 (n=22), 83% at RP2D (n=12) and 100% in the target Phase 2 population (n=9)

As of Oct. 16, 2025, two stocks in the health care sector could be flashing a real warning to investors who value momentum as a key criteria in their trading decisions.

NEW YORK, Oct. 16, 2025 (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 hosts a R&D Day in New York City. The Company's leadership team and key opinion leaders will present the full Phase 1 dataset and outline the pivotal Phase 2 trial design and commercial opportunity for lasme-cel in r/r B-ALL.

NEW YORK, Oct. 07, 2025 (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 findings highlighting the strong potential of circular single-stranded DNA (CssDNA) as a universal, efficient non-viral template for gene therapy, along with a comprehensive study of TALE base editors (TALEB) off-targets in the nuclear genome, will be presented at the European Society of Cell and Gene Therapy (ESGCT) annual congress, that will take place on October 7-10, 2025, in Sevilla, Spain.

Cellectis S.A. (NASDAQ:CLLS ) Q2 2025 Earnings Conference Call August 5, 2025 8:00 AM ET Company Participants Adrian Kilcoyne - Chief Medical Officer Andre Choulika - Co-Founder, CEO & Director Arthur Stril - CFO & Chief Business Officer Conference Call Participants Anqi Yu - Jefferies LLC, Research Division Huidong Wang - Barclays Bank PLC, Research Division Jack Kilgannon Allen - Robert W.

NEW YORK, Aug. 04, 2025 (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 second quarter 2025 ending June 30, 2025 and business updates.

NEW YORK, July 28, 2025 (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 second quarter 2025 ending June 30, 2025 on Monday August 4, 2025 after the close of the US market.

NEW YORK, June 26, 2025 (GLOBE NEWSWIRE) -- Cellectis (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 a shareholders general meeting at 2:30 p.m. CET at the Biopark auditorium, 11 rue Watt, 4th floor, 75013 Paris, France.

NEW YORK, May 21, 2025 (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 26, 2025 at 2:30 p.m. CET at the Biopark auditorium, 11 rue Watt, 4th floor, 75013 Paris, France.

Cellectis SA's pipeline consists of allogeneic CAR T-cell therapies that have the potential to make meaningful dents in heme malignancies. The financial picture remains strong, bolstered further by a partnership with AstraZeneca. Promised data readouts in late 2025 represent important potential catalysts.