X0306 4 2022-12-02 0000748592 Eterna Therapeutics Inc. ERNA 0001448698 Cherington Charles C/O ETERNA THERAPEUTICS INC. 10355 SCIENCE CENTER DRIVE, SUITE 150 SAN DIEGO CA 92121 true true Common Stock 2022-12-02 4 P 0 261756 3.28 A 556465 D Warrants (right to buy) 3.28 2022-12-02 4 P 0 523512 0.125 A 2023-06-02 2028-06-02 Common Stock, par value $0.005 per share 523512 523512 D The reporting person entered into a Securities Purchase Agreement with the Issuer on November 23, 2022, pursuant to which, on December 2, 2022, the reporting person acquired an aggregate of 261,756 units for a purchase price of $3.53 per unit, each unit consisting of one share of common stock, par value $0.05 per share ("Common Stock"), and two warrants, each exercisable to purchase one share of Common Stock at an exercise price of $3.28 per share. The purchase price for each unit included $0.125 for each warrant in accordance with Nasdaq rules. /s/ Sandra Gurrola, Power of Attorney for Charles Cherington 2022-12-06