X0609 4 2026-05-28 0001838359 Rigetti Computing, Inc. RGTI 0001388191 Kulkarni Subodh K false C/O RIGETTI COMPUTING, INC. 775 HEINZ AVENUE BERKELEY CA 94710 1 1 0 0 President and CEO 0 Common Stock 2026-05-28 4 M 0 70000 0.9638 A 70000 D Common Stock 2026-05-28 4 M 0 111111 1.05 A 181111 D Common Stock 2026-05-28 4 M 0 33490 1.41 A 214601 D Common Stock 2026-05-28 4 S 0 43190 26.2292 D 171411 D Common Stock 2026-06-01 4 S 0 61000 24.3781 D 110411 D Employee Stock Option (right to buy) 0.9638 2026-05-28 4 M 0 70000 0 D 2032-12-11 Common Stock 70000 430000 D Employee Stock Option (right to buy) 1.05 2026-05-28 4 M 0 111111 0 D 2033-11-21 Common Stock 111111 888889 D Employee Stock Option (right to buy) 1.41 2026-05-28 4 M 0 33490 0 D 2034-11-14 Common Stock 33490 966510 D Represents shares sold by the Reporting Person in order to pay the exercise price of stock options and/or to cover certain taxes in connection with the exercise of stock options. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.20 to $26.69, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.08 to $24.73, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The stock option is fully vested and exercisable. One-thirty-sixth (1/36th) of this option vested and became exercisable on December 22, 2023, with the remainder vesting in equal monthly installments on the 22nd day of each calendar month thereafter, subject to the Reporting Person's continuous service with the Issuer through each such vesting date. One-thirty-sixth (1/36th) of this option vested and became exercisable on December 15, 2024, with the remainder vesting in equal monthly installments on the 15th day of each calendar month thereafter, subject to the Reporting Person's continuous service with the Issuer through each such vesting date. /s/ Jeffrey Bertelsen, Attorney-in-Fact 2026-06-01