144 0001910690 XXXXXXXX LIVE 0001838359 Rigetti Computing, Inc. 001-40140 775 HEINZ AVENUE BERKELEY CA 94710 (510) 210-5550 Rivas David Officer Common Piper Sandler and Co

350 North 5th Street Minneapolis MN 55401

18759 413448.00 332400000 05/22/2026 NASDAQ Common 05/22/2026 RSU Company N 18759 05/22/2026 Cash N Jesus David Rivas

775 HEINZ AVENUE BERKELEY CA 94710

Common 03/10/2026 36719 643320.00 05/22/2026 Dan Schmidt, as a duly authorized representative of Piper Sandler & Co Corporate & Venture Services FA, as attorney-in-fact Jesus Rivas