FRANCIS LAURA 4
4 · SI-BONE, Inc. · Filed May 20, 2026
Research Summary
AI-generated summary of this filing
SI-BONE (SIBN) CEO Laura Francis Sells Shares
What Happened
- Laura Francis, CEO of SI-BONE, sold a total of 14,957 shares on May 18, 2026 in multiple open-market transactions. The reported proceeds total $220,000 (weighted average price ≈ $14.72 per share). Individual reported disposals: 3,893 @ $14.75 ($57,403); 2,236 @ $14.67 ($32,813); 1,973 @ $14.57 ($28,745); 3,652 @ $14.75 ($53,867); and 3,203 @ $14.73 ($47,172).
- Per the filing, these sales were sell-to-cover transactions to satisfy tax withholding obligations upon the vesting of restricted stock units (RSUs), not discretionary sales.
Key Details
- Transaction date: May 18, 2026; Form 4 filed May 20, 2026 (within the typical two-business-day reporting window).
- Transaction type: Sale (S); purpose: tax withholding on RSU vesting (footnote F1 — coded F for tax withholding).
- Prices: weighted averages reported per block; execution occurred in multiple trades with prices across the transactions ranging approximately $14.33 to $14.87 (footnotes F2–F5).
- Shares sold: 14,957; total proceeds: $220,000; weighted average price ≈ $14.72/share.
- Shares owned after transaction: not explicitly summarized in the transaction lines. Footnotes note remaining holdings/rights including 385,070 shares issuable on settlement of RSUs (F8), 1,395 shares from the May 15, 2026 ESPP purchase (F6), and transfers/holdings involving The David & Laura Joint Rev Tr. (F7, F9).
- Notable footnotes: F1 (sell-to-cover for tax withholding), F2–F5 (price ranges and weighted-average reporting), F6–F9 (ESPP shares, RSU issuable amounts, transfers to trust).
Context
- Sell-to-cover transactions are routine administrative trades to satisfy tax obligations when equity awards vest and generally do not indicate the insider’s discretionary view of the stock. This filing documents tax-driven sales of vested RSUs rather than an independent decision to liquidate additional holdings.
Insider Transaction Report
Form 4
SI-BONE, Inc.SIBN
FRANCIS LAURA
DirectorChief Executive Officer
Transactions
- Sale
Common Stock
[F1][F2]2026-05-18$14.75/sh−3,893$57,403→ 540,476 total - Sale
Common Stock
[F1][F3]2026-05-18$14.67/sh−2,236$32,813→ 538,240 total - Sale
Common Stock
[F1][F3]2026-05-18$14.57/sh−1,973$28,745→ 536,267 total - Sale
Common Stock
[F1][F4]2026-05-18$14.75/sh−3,652$53,867→ 532,615 total - Sale
Common Stock
[F1][F5][F6][F7][F8]2026-05-18$14.73/sh−3,203$47,172→ 503,444 total
Holdings
- 378,682(indirect: By Trust)
Common Stock
[F9]
Footnotes (9)
- [F1]The 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.
- [F2]This transaction was executed in multiple trades at prices ranging from $14.34 USD to $14.84 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.
- [F3]This transaction was executed in multiple trades at prices ranging from $14.35 USD to $14.85 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.
- [F4]This transaction was executed in multiple trades at prices ranging from $14.34 USD to $14.87 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.
- [F5]This transaction was executed in multiple trades at prices ranging from $14.33 USD to $14.85 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.
- [F6]Includes 1,395 shares acquired under the SI-BONE, Inc 2018 Employee Stock Purchase Plan on May 15, 2026.
- [F7]Reflects the transfer of shares from the Reporting Person to The David & Laura Joint Rev Tr.
- [F8]Includes 385,070 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.
- [F9]Shares held by The David & Laura Joint Rev Tr.
Signature
/s/ Michael A. Pisetsky, Attorney-in-Fact for Laura A. Francis|2026-05-20