SEC Form 4 · accession 0001218802-26-000003
SI-BONE, Inc. · SIBN
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Laura Francis
Officer — Chief Executive Officer · Director
Period of report
Aug 17, 2026
Accepted (ET)
Aug 18, 2026 · 5:00 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001459839
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF2 | Aug 17, 2026 | S | 3,892 | $18.6578 | D | 499,552 | D | |
| Common StockF2 | Aug 17, 2026 | S | 3,652 | $18.6595 | D | 495,900 | D | |
| Common StockF2 | Aug 17, 2026 | S | 3,203 | $18.663 | D | 492,697 | D | |
| Common StockF3 | Aug 17, 2026 | S | 2,236 | $18.6814 | D | 490,461 | D | |
| Common StockF4,F5,F6 | Aug 17, 2026 | S | 1,973 | $18.6289 | D | 493,900 | D | |
| Common StockF7 | holding | — | — | — | 373,270 | I | by Trust |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The sale reported on this Form 4 represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. The sale satisfies the tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.
- F2This transaction was executed in multiple trades at prices ranging from $18.52 USD to $18.77 USD; the price reported above reflects the weighted average sale price.
- F3This transaction was executed in multiple trades at prices ranging from $18.52 USD to $18.79 USD; the price reported above reflects the weighted average sale price.
- F4This transaction was executed in multiple trades at prices ranging from $18.55 USD to $18.73 USD; the price reported above reflects the weighted average sale price.
- F5Includes 355,697 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.
- F6Reflects the transfer of shares from the Reporting Person to The David & Laura Joint Rev Tr.
- F7Shares held by The David & Laura Joint Rev Tr.