Rigetti Computing (RGTI)

=== SEC Form 3 — Statement of Changes in Beneficial Ownership === Document Type: 3 Period of Report: 2026-08-18 --- Issuer --- Name: Rigetti Computing, Inc. (RGTI) CIK: 0001838359 --- Reporting Owner --- Name: Bestwick Andrew Joseph CIK: 0002149948 Role: Officer (Chief Technology Officer) --- Holdings --- [Holding #1] Security: Common Stock Ownership: D (Direct) Footnotes: [F1] Includes 75,004 shares of common stock and 216,908 restricted stock units ("RSU"). Each RSU represents a contingent right to receive one share of the Issuer's common stock upon settlement. 141,908 RSUs will vest in 13 equal quarterly installments on each February 20, May 20, August 20 and November 20 commencing on August 20, 2026, subject to the Reporting Person's continuous service with the Issuer through each such vesting date. 75,000 RSUs will vest in 15 equal quarterly installments on each May 20, August 20, November 20 and February 20 commencing on August 20, 2026, subject to the Reporting Person's continuous service with the Issuer through each such vesting date. [F2] The securities reported herein were acquired by the Reporting Person prior to the Reporting Person becoming an executive officer of the Issuer. The Reporting Person was appointed as an executive officer of the Issuer on August 18, 2026. [Holding #2] Security: Employee Stock Option (right to buy) Ownership: D (Direct) Footnotes: [F2] The securities reported herein were acquired by the Reporting Person prior to the Reporting Person becoming an executive officer of the Issuer. The Reporting Person was appointed as an executive officer of the Issuer on August 18, 2026. [F3] This option has vested and is exercisable for 102,299 shares of common stock as of the date hereof. 143,225 shares will vest and become exercisable in 21 equal monthly installments (except for the final scheduled vesting installment) on the 14th day of each month commencing on September 14, 2026, subject to the Reporting Person's continuous service with the Issuer through each such vesting date. --- Footnotes (Complete Index) --- F1: Includes 75,004 shares of common stock and 216,908 restricted stock units ("RSU"). Each RSU represents a contingent right to receive one share of the Issuer's common stock upon settlement. 141,908 RSUs will vest in 13 equal quarterly installments on each February 20, May 20, August 20 and November 20 commencing on August 20, 2026, subject to the Reporting Person's continuous service with the Issuer through each such vesting date. 75,000 RSUs will vest in 15 equal quarterly installments on each May 20, August 20, November 20 and February 20 commencing on August 20, 2026, subject to the Reporting Person's continuous service with the Issuer through each such vesting date. F2: The securities reported herein were acquired by the Reporting Person prior to the Reporting Person becoming an executive officer of the Issuer. The Reporting Person was appointed as an executive officer of the Issuer on August 18, 2026. F3: This option has vested and is exercisable for 102,299 shares of common stock as of the date hereof. 143,225 shares will vest and become exercisable in 21 equal monthly installments (except for the final scheduled vesting installment) on the 14th day of each month commencing on September 14, 2026, subject to the Reporting Person's continuous service with the Issuer through each such vesting date. --- Signature --- /s/ /s/ Jeffrey Bertelsen, Attorney-in-Fact (2026-08-20)