X0609 4 2026-08-18 0001838359 Rigetti Computing, Inc. RGTI 0002149948 Bestwick Andrew Joseph false C/O RIGETTI COMPUTING, INC. 775 HEINZ AVENUE BERKELEY CA 94710 0 1 0 0 CHIEF TECHNOLOGY OFFICER 0 Common Stock 2026-08-18 4 A 0 750000 0 A 1041912 D Common Stock 2026-08-20 4 S 0 5791 16.8053 D 1036121 D Represents an award of RSUs. Each RSU represents a contingent right to receive one share of the Issuer's common stock upon settlement. One-sixteenth (1/16th) of the total number of RSUs (rounded down, except for the final scheduled vesting installment) will vest on the 20th day of the middle month of each quarter (i.e., February 20, May 20, August 20 and November 20) commencing on November 20, 2026, subject to the Reporting Person's continuous service with the Issuer through each such vesting date. The sales reported in this row represent nondiscretionary sales of shares required to be sold by the Reporting Person pursuant to sell to cover transactions to satisfy tax withholding obligations in connection with the settlement of RSUs. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.63 to $16.965, 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. /s/ Jeffrey Bertelsen, Attorney-in-Fact 2026-08-20