SI-BONE, Inc.|4Feb 4, 6:11 PM ET

DUNN JEFFREY W 4

4 · SI-BONE, Inc. · Filed Feb 4, 2026

AI-generated summary of this filing

Updated Feb 4, 2026

SI‑BONE (SIBN) Director Jeffrey W. Dunn Sells 337 Shares

What Happened

Jeffrey W. Dunn, a director of SI‑BONE, sold 337 shares of the company's common stock in an open‑market transaction on February 2, 2026. The weighted average sale price was $16.42, for total gross proceeds of approximately $5,532. This sale was a "sell‑to‑cover" to satisfy tax withholding on vested restricted stock units, not a discretionary sale.

Key Details

Transaction date: 2026-02-02
Transaction type/code: Sale (S); reported 337 shares sold
Price: weighted average $16.42; individual trade prices ranged $16.35–$16.56 (multiple trades)
Proceeds: ~$5,532
Shares owned after transaction: not specified in the provided excerpt; filing notes 9,491 shares issuable on settlement of restricted stock units
Notable footnotes: F1 — sale to cover tax withholding on RSU vesting (not discretionary); F2 — multiple trades/prices with weighted average reported; F3 — 9,491 RSUs included in holdings disclosure; F4 — some shares held by The Jeffrey W. Dunn Living Trust Dated May 17, 2012
Filing timeliness: Report filed Feb 4, 2026 for a Feb 2, 2026 transaction (appears timely)

Context

This was a tax withholding "sell‑to‑cover" related to RSU vesting (common for executives/directors). Such sales typically reflect tax obligations rather than a directional view on the company; the filing does not indicate a discretionary cash‑out motivated by market opinion.

Form 4

Period: 2026-02-02

Director

Transactions

Holdings

Footnotes (4)

[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 $16.35 USD to $16.56 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]Includes 9,491 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.
[F4]Shares held by The Jeffrey W. Dunn Living Trust Dated May 17, 2012.

Signature

/s/ Michael A. Pisetsky, Attorney-in-Fact for Jeffrey W. Dunn|2026-02-04

1 file