• Geron granted stock options covering 333,750 shares to five newly hired employees, effective May 15, 2026.
• Options carry an exercise price of $1.29 per share, matching the stock’s closing price on the grant date.
• Awards have a 10-year term; 12.5% vests six months after employment starts, with the remainder vesting in equal monthly installments over the next 42 months, subject to continued employment.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Geron Corporation published the original content used to generate this news brief via GlobeNewswire (Ref. ID: 202605181601PRIMZONEFULLFEED9722360) on May 18, 2026, and is solely responsible for the information contained therein.