Sara Bonstein, CFO of Insmed Inc, sold 8,272 shares of common stock on May 13, 2026. The total transaction value was $961,040.
The shares were sold at $116.18 each. After the sale, Bonstein directly holds 71,486 shares. The stock has dropped 33.57% year-to-date, despite a 72% return over the past year.
The sale was to cover tax withholding obligations upon vesting of Restricted Stock Units. According to Bond.az analysis, INSM appears overvalued.
In recent news, Insmed beat Q1 2026 earnings expectations with EPS of -$0.76 (vs -$0.96 est.) and revenue of $305.96M (vs $301.51M est.). However, the stock declined.












