Rosen Law Firm reminded investors who purchased Avis Budget Group securities between Feb. 20, 2025, and April 21, 2026, that Sept. 29, 2026, is the deadline to seek appointment as lead plaintiff in an already-filed class action. The lawsuit alleges Pentwater Capital Management LP and Matthew Halbower, Pentwater's CEO, CIO and Founder, manipulated Avis securities through aggressive purchases that contributed to unusual volatility and a short squeeze. Pentwater held an approximately 51% economic interest in Avis through stock and cash-settled swaps as of March 2026. Investors may join the action without paying out-of-pocket fees or costs under a contingency fee arrangement, but no class has been certified and investors may choose counsel, remain absent class members or take no action. The notice also describes Rosen Law Firm's securities-litigation record and provides contact details for Phillip Kim, Esq., and Laurence Rosen, Esq.