X0508 4 2025-06-05 false 0001459839 SI-BONE, Inc. SIBN 0002033030 Wolf Daniel W C/O SI-BONE, INC. 471 EL CAMINO REAL, SUITE 101 SANTA CLARA CA 95050 true false false false false Common Stock 2025-06-05 4 A false 8675.00 0.00 A 25857.00 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 100% upon the earlier of (i) the next annual general meeting of the stockholders of the Company or (ii) the date one year from the Vesting Commencement Date, subject to the Reporting Person's continuous service as a member of the Company's Board of Directors until such date. Includes 22,993 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. /s/ Michael Pisetsky, Attorney-in-Fact for Daniel Wolf 2025-06-06