INSM

INSMED Inc

Latest Form 4:Sale$638KbySHAROKY MELVIN MD (Director) · filed Aug 19, 2026

INSMED Inc (INSM) has 79 SEC Form 4 filings (277 transaction rows) in the rolling window, disclosed by 9 distinct insiders. Most recent filing: Aug 19, 2026.

The most active filer is Chair and CEO Lewis William with 22 filings. Insiders have net sold $86.0M over the trailing 6 months.

  • Industry:Biotechnology
  • CEO:William H. Lewis
  • Employees:1,271
  • HQ:Bridgewater, NJ, US
  • IPO:2000-06-01

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$207.0M

reported sales (SEC code S)

Unique Insiders

9

in the rolling window

Market Cap

$25.9B

latest known value

Source
SHAROKY MELVIN MDFirst in 8 months
Sale$638KAug 19SEC ↗
Sale$32.0MAug 12SEC ↗
Sale$3.5MAug 7SEC ↗
Sale$1.1MJul 24SEC ↗
Sale$1.3MJul 10SEC ↗
Sale$1.4MJul 8SEC ↗
Sale$2.2MJun 26SEC ↗
Sale$173KJun 24SEC ↗
Sale$613KJun 10SEC ↗
Sale$262KJun 5SEC ↗
Sale$193KJun 5SEC ↗
Sale$221KJun 5SEC ↗
Sale$778KJun 5SEC ↗
Sale$246KJun 5SEC ↗
Sale$242KJun 5SEC ↗
Sale$667KMay 22SEC ↗
Sale$2.7MMay 20SEC ↗
Sale$897KMay 15SEC ↗
Sale$1.2MMay 15SEC ↗
Sale$678KMay 15SEC ↗
Sale$1.5MMay 15SEC ↗
Bonstein SaraFirst in 3 months
Sale$961KMay 15SEC ↗
Sale$477KMay 15SEC ↗
Flammer Martina M.D.First in 3 months
Sale$1.3MMay 13SEC ↗
Sale$1.5MMay 6SEC ↗
Sale$1.5MApr 17SEC ↗
Sale$1.7MApr 8SEC ↗
Sale$14.5MApr 3SEC ↗
Sale$3.0MMar 31SEC ↗
Sale$1.5MMar 20SEC ↗
Sale$1.6MMar 5SEC ↗
Sale$3.9MFeb 25SEC ↗
Sale$1.6MFeb 23SEC ↗
Sale$2.0MFeb 11SEC ↗
Sale$132KFeb 6SEC ↗
Sale$1.2MFeb 4SEC ↗
Sale$124KFeb 4SEC ↗
Sale$470KFeb 4SEC ↗
Sale$117KFeb 4SEC ↗
Sale$124KFeb 4SEC ↗
Sale$100KFeb 4SEC ↗
Sale$1.7MJan 22SEC ↗
Sale$3.2MJan 13SEC ↗
Sale$351KJan 13SEC ↗
Sale$1.8MJan 8SEC ↗
Sale$252KJan 8SEC ↗
Sale$855KJan 8SEC ↗
Adsett RogerFirst filing
Sale$248KJan 8SEC ↗
Adsett RogerFirst filing
Sale$140KJan 8SEC ↗
Adsett RogerFirst filing
Sale$359KJan 8SEC ↗
Sale$710KJan 8SEC ↗
Sale$413KJan 8SEC ↗
Sale$561KJan 8SEC ↗
Sale$242KJan 8SEC ↗
Sale$124KJan 8SEC ↗
Sale$183KJan 8SEC ↗
Bonstein SaraFirst filing
Sale$263KJan 8SEC ↗
Bonstein SaraFirst filing
Sale$294KJan 8SEC ↗
Bonstein SaraFirst filing
Sale$252KJan 8SEC ↗
Sale$2.1MJan 6SEC ↗
Sale$15.3MJan 6SEC ↗
Sale$1.8MDec 19SEC ↗
Sale$4.1MDec 9SEC ↗
Lewis WilliamFirst filing
Sale$2.2MDec 5SEC ↗
Sale$1.8MDec 3SEC ↗
Sale$1.0MNov 26SEC ↗
LEE LEOFirst filing
Sale$14.7MNov 18SEC ↗
Sale$2.0MNov 18SEC ↗
Sale$5.8MNov 14SEC ↗
Sale$5.9MNov 13SEC ↗
Sale$5.0MNov 5SEC ↗
Sale$11.1MSep 15SEC ↗
SHAROKY MELVIN MDFirst filing
Sale$1.5MSep 15SEC ↗
Sale$26.9MSep 4SEC ↗
Sale$3.5MSep 4SEC ↗

Congress trading INSM

See timeline →
  • DRep. Josh GottheimerSale$1,001 - $15,0002026-06-10

STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.

Related companies

INSMED Inc is in the Healthcare sector.