X0508 4 2025-04-30 true 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 false Common Stock 2025-04-30 4 M false 21367.00 4.68 A 266245.00 D Stock Option (Right to Buy) 4.68 2025-04-30 4 M false 21367.00 0.00 D 2027-03-01 Common Stock 21367.00 0.00 D Includes 157,982 shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The shares subject to the option vest in equal monthly installments over four years commencing on December 12, 2017, subject to Reporting Person's continued service through each relevant vesting date. The shares subject to this option may be exercised prior to vesting, subject to Issuer's right to repurchase. /s/ Michael A. Pisetsky 2025-05-02