INSM: SEC Form 4 filed by Insmed Incorporated

Historical context for INSM

Across the 30 sessions after earlier INSM headlines, the stock closed higher 18 times and lower 12 times, with a median move of 2.1% in either direction. This shows timing only: many things move a stock in a session, and these figures do not show that any headline caused a move.

Earlier insider filings at INSM

• Oct 20, 2026SEC Form 4 filed by Insmed Incorporated
• Sep 11, 2026Director Brennan David R sold $3,100,000 worth of shares (25,000 units at $124.00), decreasing direct ownership by 39% to 39,238 units (SEC Form 4)
• Aug 19, 2026Director Sharoky Melvin Md sold $637,650 worth of shares (5,000 units at $127.53) (SEC Form 4)
• Aug 12, 2026Chief Operating Officer Adsett Roger sold $31,964,810 worth of shares (239,850 units at $133.27) and exercised 239,850 shares at a strike of $20.45 (SEC Form 4)
• Aug 7, 2026Chief Medical Officer Flammer Martina M.D. exercised 27,173 shares at a strike of $21.20 and sold $3,494,838 worth of shares (27,173 units at $128.61) as part of a pre-agreed trading plan (SEC Form 4)