The Law Offices of Frank R. Cruz announces an investigation of Cellectis S.A. (“Cellectis” or the “Company”) (NASDAQ: CLLS) on behalf of investors concerning the Company’s possible violations of federal securities laws.

IF YOU ARE AN INVESTOR WHO LOST MONEY ON CELLECTIS S.A. (CLLS), CLICK HERE TO INQUIRE ABOUT POTENTIALLY PURSUING A CLAIM TO RECOVER YOUR LOSS.

What Is The Investigation About?

On September 14, 2026, Cellectis announced it would prioritize in vivo gene editing therapies (HEAL-101 and HEAL-201) over CAR-T cell therapies. The Company concurrently announced it plans to discontinue the development of CAR-T cell therapies lasme-cel and eti-cel. In the accompanying conference call, the Company’s Chief Medical Officer, Adrian Kilcoyne stated “Cellectis is not able to finance [Eti-cel and Lasme-cel] given the time lines that we have and the limited cash resources that we have.”

On this news, shares of Cellectis declined $1.27 per share, or 40.97%, to close at $1.83 per share on September 14, 2026, thereby injuring investors.

Contact Us To Participate or Learn More:

If you purchased Cellectis S.A. securities, have information or would like to learn more about these claims, or have any questions concerning this announcement or your rights or interests with respect to these matters, please contact us:

The Law Offices of Frank R. Cruz,
2121 Avenue of the Stars, Suite 800,
Century City, California 90067
Call us at: 310-914-5007
Email us at: info@frankcruzlaw.com
Visit our website at: www.frankcruzlaw.com.
Follow us for updates on Twitter at twitter.com/FRC_LAW.

If you inquire by email, please include your mailing address, telephone number, and number of shares purchased.

This press release may be considered Attorney Advertising in some jurisdictions under the applicable law and ethical rules.

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