X0508 4 2024-01-01 0000748592 Eterna Therapeutics Inc. ERNA 0001933592 Luther Sanjeev C/O ETERNA THERAPEUTICS INC. 1035 CAMBRIDGE STREET, SUITE 18A CAMBRIDGE MA 02141 true true President and CEO false Stock Option (right to buy) 1.8 2024-01-01 4 A 0 1685218 0 A 2034-01-01 Common Stock, par value $0.005 per share 1685218 1685218 D Subject to continued service, 25% of the shares underlying the stock option will vest on the first anniversary of the grant date, and the remaining shares underlying the stock option will vest in 36 substantially equal monthly installments thereafter. /s/ Sanjeev Luther 2024-01-03