X0508 4 2025-11-24 false 0001459839 SI-BONE, Inc. SIBN 0001754765 PISETSKY MICHAEL A. C/O SI-BONE, INC. 471 EL CAMINO REAL, SUITE 101 SANTA CLARA CA 95050 false true false false SVP, Ops & Adm/Chief Legal Ofr true Common Stock 2025-11-24 4 S false 400.00 20.00 D 251496.00 D The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan dated June 13th, 2025. Includes 125,823 shares issuable on settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one shares of the Issuer's common stock. /s/ Michael A. Pisetsky 2025-11-26