144 0002149948 XXXXXXXX LIVE 0001838359 Rigetti Computing, Inc. 001-40140 775 HEINZ AVENUE BERKELEY CA 94710 (510) 210-5550 Bestwick Andrew Joseph Officer Common Stock Piper Sandler

350 North 5th Street Minneapolis MN 55401

5791 98447.00 333768747 08/20/2026 NASDAQ Common Stock 08/20/2026 RSU Andrew Bestwick N 5791 08/20/2026 N/A Y 08/20/2026 Will Britton, a duly authorized representative of Piper Sandler & Co Corporate & Venture Services FA, as attorney-in-fact for Andrew Bestwick