X0508 4 2023-12-29 0 0000886744 GERON CORP GERN 0001492256 Spiegel Robert J. C/O GERON CORPORATION 919 EAST HILLSDALE BOULEVARD, SUITE 250 FOSTER CITY CA 1 0 0 0 0 Common Stock 2023-12-29 4 A 0 3406 0.00 A 164040 D Shares issued in lieu of cash payment for quarterly Board of Directors retainer fee. Number of shares issued based on closing price of the Issuer's Common Stock on December 29, 2023 of $2.11 per share. /s/ Scott Alan Samuels for Robert J. Spiegel 2024-01-03