SI-BONE Director Jeffrey W. Dunn Exercises Options, Sells Shares

What Happened

• Jeffrey W. Dunn, a director of SI‑BONE, exercised 20,000 option shares at $4.68 per share (total cost $93,600) and, on the same day (Aug 3, 2026), sold 20,000 shares in the open market for a weighted‑average price of $18.46 per share (total proceeds $369,214). The Form 4 also reports a separate derivative conversion/disposition of 20,000 shares at $0.00 on the same date.

Key Details

• Transaction date: August 3, 2026; Form 4 filed Aug 5, 2026 (timely filing).
• Exercise: 20,000 shares acquired at $4.68 each — $93,600 total.
• Sale: 20,000 shares sold at a weighted‑average $18.46 each — $369,214 total. Sale prices ranged $18.20–$18.93 (per footnote).
• Footnotes: Sale effected under a 10b5‑1 trading plan dated May 7, 2025 (F1). Weighted‑average sale price and per‑share range disclosed (F2). Filing notes 10,957 shares issuable on settlement of RSUs (F3). Some shares are held by The Jeffrey W. Dunn Living Trust (F4). Option vesting schedule described (F5).
• Shares owned after transaction: Not specified in the provided data; filing discloses 10,957 RSUs issuable to Dunn.

Context

• This sequence (exercise of options followed by same‑day sale of an equal number of shares) is commonly a cashless exercise or immediate disposition of newly acquired shares; the sale here was done pursuant to a preplanned 10b5‑1 arrangement. The filing is factual and timely—no late filing flag was indicated.