Form 4: SI-BONE Officer Sells Shares for Tax Obligations

SI-BONE's SVP, Operations & Administration/Chief Legal Officer, Michael A. Pisetsky, sold 3,329 shares of common stock to cover tax withholding obligations related to restricted stock unit vesting.

Summary

• Michael A. Pisetsky, SVP, Ops & Adm/Chief Legal Ofr of SI-BONE, Inc. (SIBN), sold 3,329 shares of common stock.
• The sales occurred on August 18, 2025.
• The shares were sold to cover tax withholding obligations associated with the vesting of restricted stock units.
• This was a non-discretionary "sell to cover" transaction, not a personal trading decision.
• The sales were executed at weighted average prices of $15.6524 for 1,851 shares and $15.6171 for 1,478 shares.
• The prices ranged from $15.49 USD to $15.80 USD.
• Following these transactions, Michael A. Pisetsky beneficially owns 258,352 shares of common stock, which includes 138,504 shares issuable upon settlement of restricted stock units.

Sentiment

Score: 5

Explanation: The filing reports a routine, non-discretionary 'sell to cover' transaction by an executive to meet tax obligations from RSU vesting. This is a neutral event and does not indicate positive or negative sentiment regarding the company's performance or outlook.

Future Outlook

No forward-looking statements or guidance are provided in this Form 4 filing, as it pertains solely to an insider transaction.

Management Comments

• 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.

Industry Context

This Form 4 filing details a routine insider transaction for tax purposes and does not provide information relevant to broader industry trends or competitive landscape.

Stakeholder Impact

• Minimal direct impact on shareholders as this is a routine, non-discretionary sale for tax purposes by an executive, not indicative of a change in company fundamentals or executive confidence.

Key Dates

Keywords

SI-BONE, SIBN, Form 4, Insider Trading, Stock Sale, Restricted Stock Units, Tax Withholding, Executive Compensation