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CIK 0001104506 · Large accelerated filer

Ticker
INSM
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
VA
Entity type
operating
EIN
541972729
Phone
908-977-9900
Business address
700 US HIGHWAY 202/206, BRIDGEWATER, NJ, 08807
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$3,737,650
in 2 filings

Net −$3,737,650. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Brennan David R −$3.1M Director sold 39% of stake
  2. SHAROKY MELVIN MD −$638K Director sold 100% of stake

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-10-19 Hudson Paul Director Grant or award +6,139 6,139
2026-10-19 Koppikar Utpal Director Grant or award +6,139 6,139
2026-09-09 Brennan David R Director Sale −25,000 $124.00 $3.1M 39,238
2026-08-17 SHAROKY MELVIN MD Director Sale −5,000 $127.53 $638K 0
2026-08-10 Adsett Roger Chief Operating Officer Option exercise +82,280 $13.67 $1.1M 181,024
2026-08-10 Adsett Roger Chief Operating Officer Option exercise +76,600 $17.16 $1.3M 257,624
2026-08-10 Adsett Roger Chief Operating Officer Option exercise +80,970 $30.46 $2.5M 338,594
2026-08-10 Adsett Roger Chief Operating Officer Sale −239,850 $133.27 $32.0M 98,744
2026-08-10 Adsett Roger Chief Operating Officer Option exercise · Stock Option (right to buy) −82,280 0
2026-08-10 Adsett Roger Chief Operating Officer Option exercise · Stock Option (right to buy) −76,600 0
2026-08-10 Adsett Roger Chief Operating Officer Option exercise · Stock Option (right to buy) −80,970 0
2026-08-06 Flammer Martina M.D. Chief Medical Officer Option exercise 10b5-1 +18,278 $18.95 $346K 78,764
2026-08-06 Flammer Martina M.D. Chief Medical Officer Option exercise 10b5-1 +8,895 $25.83 $230K 87,659
2026-08-06 Flammer Martina M.D. Chief Medical Officer Sale 10b5-1 −8,895 $127.00 $1.1M 78,764
2026-08-06 Flammer Martina M.D. Chief Medical Officer Sale 10b5-1 −18,278 $129.40 $2.4M 60,486
2026-08-06 Flammer Martina M.D. Chief Medical Officer Option exercise · Stock Option (right to buy) 10b5-1 −18,278 36,555
2026-08-06 Flammer Martina M.D. Chief Medical Officer Option exercise · Stock Option (right to buy) 10b5-1 −8,895 35,580
2026-07-23 Lewis William Chair and CEO Option exercise 10b5-1 +6,260 $30.46 $191K 265,318
2026-07-23 Lewis William Chair and CEO Option exercise 10b5-1 +4,440 $17.16 $76K 269,758
2026-07-23 Lewis William Chair and CEO Sale 10b5-1 −4,828 $105.62 $510K 264,930

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