Insider at

04

Insider transactions

05
0 buys (P) 5 sells (S) Net: $-14,692,249 + 9 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

9 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Nov. 17, 2025 INSM S 3,212 $193.51 $621,554 126,465 Direct -2.48% Disposed -46.3% (price as of 2026-10-05)
Nov. 17, 2025 INSM S 17,594 $194.49 $3,421,857 108,871 Direct -13.91% Disposed -46.6% (price as of 2026-10-05)
Nov. 17, 2025 INSM S 14,944 $195.39 $2,919,908 93,927 Direct -13.73% Disposed -46.8% (price as of 2026-10-05)
Nov. 17, 2025 INSM S 24,076 $196.61 $4,733,582 69,851 Direct -25.63% Disposed -47.2% (price as of 2026-10-05)
Nov. 17, 2025 INSM S 15,174 $197.40 $2,995,348 54,677 Direct -21.72% Disposed -47.4% (price as of 2026-10-05)
Oct. 31, 2022 INSM P 45,000 $17.69 $796,050 98,265 Direct +84.48% Acquired 487.1% (price as of 2026-10-05)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Initial ownership (Form 3) 1 holding

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
March 27, 2020 INSM Common Stock 10,000 Direct