X0609 4 2026-05-28 false 0001459839 SI-BONE, Inc. SIBN 0001492082 Davis Timothy E JR false C/O SI-BONE, INC. 471 EL CAMINO REAL, SUITE 101 SANTA CLARA CA 95050 true false false false false Common Stock 2026-05-28 4 M false 12064.00 4.32 A 73002.00 D Common Stock 2026-05-28 4 S false 3780.00 14.4706 D 69222.00 D Common Stock 2026-05-29 4 S false 3500.00 14.1394 D 65722.00 D Stock Option (Right to Buy) 4.32 2026-05-28 4 M false 12064.00 0.00 D 2026-07-26 Common Stock 12064.00 0.00 D This transaction was executed in multiple trades at prices ranging from $14.45 USD to $14.505 USD; the price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. This transaction was executed in multiple trades at prices ranging from $14.12 USD to $14.15 USD; the price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. Includes 8,675 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 are fully vested and immediately exercisable. /s/ Michael A. Pisetsky, Attorney-in-Fact for Timothy E. Davis, Jr. 2026-06-01