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Cellectis to Host Conference Call and Webcast on September 14 to Provide a Business Update

Key Takeaway: Cellectis will host a conference call and webcast on September 14, 2026, to provide a business update. The event will feature sessions in both English and French, allowing broader accessibility. Cellectis is known for its innovative gene editing platform aimed at developing cell and gene therapies, particularly in oncology.

Market Sentiment Analysis

POSITIVE FACTORS

  • Cellectis is providing a timely business update.
  • The company is pioneering gene editing for life-saving therapies.
  • The event will be accessible in both English and French.

BiopharmaWatch Analysis

From our catalyst data and publicly available data · not financial advice
Best trade, last catalyst
+13%
120-day peak, hindsight
Typical move
4.6%
average across 4 past catalysts
Lead asset
UCART22
Phase 1 · B-cell Acute Lymphoblastic Leukemia

Full Press Release Details

NEW YORK, Sept. 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 announced that it will host a conference call and webcast on Monday, September 14, 2026 to provide a business update.

Conference Call and Webcast Details:

September 14, 2026

• English-language at 8:00 a.m. ET. / 2:00 p.m. CET
Webcast link: https://viavid.webcasts.com/starthere.jsp?ei=1775356&tp_key=7d1d05c480 Phone number: +1 (800) 717 1738 or +1 (646) 307 1865 France Toll Free: +33 (800) 945 120
• French-language at 9:00 a.m. ET. / 3:00 p.m. CET
Webcast link: https://viavid.webcasts.com/starthere.jsp?ei=1775361&tp_key=2968b7b0ca Phone number: +1 (800) 717 1738 or +1 (646) 307 1865 France Toll Free: +33 (800) 945 120
A replay will be available on the Company’s website following the event.
About Cellectis Cellectis is a clinical-stage biotechnology company using its pioneering gene-editing platform to develop life-saving cell and gene therapies. The company utilizes an allogeneic approach for CAR T immunotherapies in oncology, pioneering the concept of off-the-shelf and ready-to-use gene-edited CAR T-cells to treat cancer patients, and a platform to develop gene therapies in other therapeutic indications. With its in-house manufacturing capabilities, Cellectis is one of the few end-to-end gene editing companies that controls the cell and gene therapy value chain from start to finish. Cellectis’ headquarters are in Paris, France, with locations in New York and Raleigh, NC. Cellectis is listed on the Nasdaq Global Market (ticker: CLLS) and on Euronext Growth (ticker: ALCLS). To find out more, visit www.cellectis.com and follow Cellectis on LinkedIn and X.
For further information on Cellectis, please contact: Media contacts: Pascalyne Wilson, Director, Communications, + 33 (0)7 76 99 14 33, Patricia Sosa Navarro, Chief of Staff to the CEO, +33 (0)7 76 77 46 93, media@cellectis.com Investor Relations contact: Arthur Stril, Chief Financial Officer & Chief Business Officer, investors@cellectis.com

Frequently Asked Questions

When is the Cellectis conference call scheduled?

The Cellectis conference call is scheduled for September 14, 2026.

What languages will the conference call be available in?

The conference call will be available in both English and French.

How can I access the Cellectis webcast?

You can access the Cellectis webcast through the provided links in the announcement.

What is the focus of Cellectis' business update?

The business update will cover developments related to Cellectis' gene editing platform and therapies.

Last updated: Sep 11, 2026