Form 4: SI-BONE CFO Sells Shares Under 10b5-1 Plan

SI-BONE's Chief Financial Officer, Anshul Maheshwari, sold 1,300 shares of common stock in pre-arranged transactions.

Summary

• Anshul Maheshwari, Chief Financial Officer of SI-BONE, Inc. (SIBN), reported the sale of 1,300 shares of common stock.
• The sales occurred on November 21, 2025, involving 1,200 shares at a weighted-average price of $20.0133, and on November 25, 2025, involving 100 shares at $20.00.
• These transactions were executed pursuant to a Rule 10b5-1 trading plan established on December 13, 2024.
• Following these sales, Maheshwari beneficially owns 203,773 shares of SI-BONE common stock, which includes 143,116 shares issuable upon settlement of restricted stock units.

Sentiment

Score: 5

Explanation: The filing reports a pre-scheduled insider stock sale under a 10b5-1 plan, which is a neutral event for company sentiment as it typically reflects personal financial planning rather than a change in company outlook.

Positives

• The reporting person continues to hold a significant number of shares, including 143,116 shares from restricted stock units, indicating continued alignment with shareholder interests.

Negatives

• Chief Financial Officer Anshul Maheshwari sold 1,300 shares of common stock.

Risks

• NA

Future Outlook

NA

Management Comments

• The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan dated December 13th, 2024.
• The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $20.00 to $20.02, inclusive.

Industry Context

This Form 4 filing details a routine insider stock transaction, which is common across all industries for executive personal financial planning, especially when executed under a Rule 10b5-1 plan. It does not provide specific insights into SI-BONE's competitive position or broader industry trends in the medical device sector.

Comparison to Industry Standards

• NA

Management Changes

Corporate Governance

Legal Proceedings

• NA

Related Party Transactions

• Sale of common stock by Anshul Maheshwari, Chief Financial Officer of SI-BONE, Inc.

Stakeholder Impact

• Shareholders: May observe a slight increase in shares available on the market, but the impact is minimal due to the small volume relative to total outstanding shares and the pre-planned nature of the sale.
• Employees/Management: Routine transaction for a CFO, unlikely to impact general employee morale or management strategy.

Next Steps

• NA

Key Dates

Recommendation

This Form 4 reports a routine, pre-scheduled insider sale under a 10b5-1 plan. Such transactions are typically for personal financial management and do not inherently signal a change in the company's fundamental prospects or warrant a change in investment recommendation based solely on this filing. The CFO still holds a significant number of shares, including RSUs.

Keywords

SI-BONE, SIBN, Form 4, Insider Trading, Stock Sale, Anshul Maheshwari, CFO, 10b5-1 Plan, Equity, Restricted Stock Units