Form 4: Insmed CFO Sara Bonstein Sells Shares to Cover Tax Obligations

Insmed's Chief Financial Officer, Sara Bonstein, sold shares of common stock to cover tax withholding obligations and broker fees related to the vesting of Restricted Stock Units.

Summary

• On May 13, 2025, Sara Bonstein, the Chief Financial Officer of Insmed Inc., sold 8,870 shares of Insmed's common stock at a price of $67.81 per share.
• Following this transaction, Ms. Bonstein directly owns 109,993 shares of Insmed's common stock.
• On May 14, 2025, Ms. Bonstein sold 1,634 shares of Insmed's common stock at a price of $65.61 per share.
• Following this transaction, Ms. Bonstein directly owns 108,359 shares of Insmed's common stock.
• The sales were executed to satisfy tax withholding obligations upon the vesting of Restricted Stock Units and to cover related broker fees.

Sentiment

Score: 5

Explanation: The document is a routine SEC filing detailing stock sales by an executive to cover tax obligations; it doesn't inherently convey positive or negative sentiment.

Industry Context

Sales of shares by company executives are a common occurrence, often related to compensation packages and personal financial planning; the details of the transactions are reported to the SEC.

Stakeholder Impact

• The stock sales could have a minor, temporary impact on the stock price, but are unlikely to significantly affect long-term shareholder value.

Key Dates

Keywords

Insmed, Sara Bonstein, CFO, stock sale, Form 4, tax obligations, restricted stock units, INSM