X0508 4 2025-07-07 false 0001459839 SI-BONE, Inc. SIBN 0001218802 FRANCIS LAURA C/O SI-BONE, INC. 471 EL CAMINO REAL, SUITE 101 SANTA CLARA CA 95050 true true false false Chief Executive Officer true Common Stock 2025-07-07 4 S false 757.00 18.26 D 362141.00 I by Trust Common Stock 431047.00 D The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan. Reflects the transfer of shares from the Reporting Person to The David & Laura Joint Rev Tr. Shares held by The David & Laura Joint Rev Tr. Includes 418,615 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 A. Pisetsky, Attorney-in-Fact for Laura A. Francis 2025-07-07