Cellectis shares drop after Allogene arbitration win over CAR-T therapy dispute, with Allogene gaining full development and commercial control in US, EU, UK, while clearing path for global rights from Servier.

Unusual Whales
2025.12.16 18:14
Cellectis S.A. (NASDAQ: CLLS) saw a significant drop in their shares following an arbitration outcome favoring Allogene Therapeutics Inc. (NASDAQ: ALLO) over a dispute related to the CAR-T therapy, cemacabtagene ansegedleucel (cema-cel). This win solidified Allogene's control over the development and commercialization of cema-cel in the U.S., the EU, and the U.K., while paving the way for full global commercialization rights from Servier. The news impacted Cellectis stock on Tuesday.