X0306 4 2022-01-06 false 0001459839 SI-BONE, Inc. SIBN 0001210230 RECUPERO ANTHONY J C/O SI-BONE, INC. 471 EL CAMINO REAL, SUITE 101 SANTA CLARA CA 95050 false true false false President, Commercial Ops Common Stock 2022-01-06 4 A false 69670.00 0.00 A 184109.00 D Reflects 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 restricted stock unit will vest over four years beginning on January 1, 2022, and will be released in quarterly installments commencing on May 15, 2022, subject to the Reporting Person's continued service through each relevant vesting date. Includes 153,568 shares issuable on 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. /s/ Michael A. Pisetsky, Attorney-in-Fact for Anthony J. Recupero 2022-01-10