On October 10, 2025, Geron Corp announced the resignation of Dr. Gaurav Aggarwal from the Board, effective immediately, and that Dr. V. Bryan Lawlis will not seek re-election in 2026. Additionally, effective October 15, 2025, executives Dr. Andrew Grethlein and Mr. Jim Ziegler will depart, with Dr. Grethlein entering a consulting agreement for transition support.