X0508 4 2026-03-10 0001838359 Rigetti Computing, Inc. RGTI 0001388191 Kulkarni Subodh K C/O RIGETTI COMPUTING, INC. 775 HEINZ AVENUE BERKELEY CA 94710 1 1 0 0 President and CEO 0 Employee Stock Option (right to buy) 16.99 2026-03-10 4 A 0 600000 0 A 2036-03-09 Common Stock 600000 600000 D One-thirty-sixth (1/36th) of these stock options vest and become exercisable on the 10th day of each calendar month commencing in April 2026, subject to the Reporting Person's continuous service with the Issuer through each such vesting date. /s/ Jeffrey Bertelsen, Attorney-in-Fact 2026-03-11