Form 4: SI-BONE Director Jeffrey Dunn Reports Stock Transactions

Director Jeffrey W. Dunn acquired restricted stock units and executed a mandatory sell-to-cover transaction for tax obligations.

Summary

• Director Jeffrey W. Dunn acquired 10,957 shares of common stock via the settlement of restricted stock units on June 4, 2026.
• On June 5, 2026, the director sold 3,575 shares at a weighted average price of $15.2462 per share.
• The sale was a mandatory 'sell-to-cover' transaction to satisfy tax withholding obligations related to the vesting of the restricted stock units.
• Following these transactions, the director holds 16,057 shares directly and 81,073 shares indirectly through a living trust.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event, as the transactions are purely administrative and related to tax compliance for vested equity.

Positives

• The transaction reflects standard equity compensation vesting and mandatory tax compliance rather than a discretionary divestment of shares.

Negatives

• None identified; the activity is routine administrative compliance.

Risks

• The director's holdings remain subject to market volatility and the general performance of SI-BONE, Inc. (SIBN).

Future Outlook

No forward-looking guidance or strategic outlook provided in this regulatory filing.

Industry Context

StockSavvy.ai notes that this filing is a standard regulatory disclosure regarding insider equity movements. Such filings are common in the medical device sector as part of executive and director compensation packages and do not typically signal changes in corporate strategy or financial health.

Comparison to Industry Standards

• The 'sell-to-cover' mechanism is a standard industry practice for managing tax liabilities associated with equity-based compensation.

Related Party Transactions

• Transfer of shares to The Jeffrey W. Dunn Living Trust dated May 17, 2012.

Stakeholder Impact

• Minimal impact on shareholders as the transactions were non-discretionary and related to tax obligations.

Next Steps

• Continued monitoring of future Form 4 filings for any discretionary trading activity by company insiders.

Key Dates

Keywords

SI-BONE, SIBN, Form 4, Insider Trading, Director Compensation, Equity Vesting