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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
2026-01-07 Smith Michael Alexander Chief Legal Officer Sale −709 $175.07 $124K 58,090
2026-01-07 Flammer Martina M.D. Chief Medical Officer Sale 10b5-1 −1,434 $175.84 $252K 91,705
2026-01-07 Adsett Roger Chief Operating Officer Sale −802 $175.07 $140K 109,660
2026-01-07 Bonstein Sara Chief Financial Officer Sale −1,678 $175.07 $294K 81,953
2026-01-07 Lewis William Chair and CEO Sale −2,357 $175.07 $413K 318,630
2026-01-06 Smith Michael Alexander Chief Legal Officer Sale −1,396 $173.33 $242K 58,799
2026-01-06 Flammer Martina M.D. Chief Medical Officer Option exercise 10b5-1 +8,570 $26.43 $227K 103,324
2026-01-06 Flammer Martina M.D. Chief Medical Officer Sale 10b5-1 −4,783 $173.47 $830K 98,541
2026-01-06 Flammer Martina M.D. Chief Medical Officer Sale 10b5-1 −2,830 $174.21 $493K 95,711
2026-01-06 Flammer Martina M.D. Chief Medical Officer Sale 10b5-1 −957 $175.01 $167K 94,754
2026-01-06 Flammer Martina M.D. Chief Medical Officer Sale 10b5-1 −1,615 $173.33 $280K 93,139
2026-01-06 Flammer Martina M.D. Chief Medical Officer Option exercise · Stock Option (right to buy) 10b5-1 −8,570 0
2026-01-06 Adsett Roger Chief Operating Officer Sale −1,429 $173.33 $248K 110,462
2026-01-06 Bonstein Sara Chief Financial Officer Sale −1,517 $173.33 $263K 83,631
2026-01-06 Lewis William Chair and CEO Sale −4,096 $173.33 $710K 320,987
2026-01-05 Flammer Martina M.D. Chief Medical Officer Option exercise 10b5-1 +4,358 $19.74 $86K 99,112
2026-01-05 Flammer Martina M.D. Chief Medical Officer Option exercise 10b5-1 +7,945 $29.13 $231K 107,057
2026-01-05 Flammer Martina M.D. Chief Medical Officer Sale 10b5-1 −2,799 $169.29 $474K 104,258
2026-01-05 Flammer Martina M.D. Chief Medical Officer Sale 10b5-1 −3,205 $170.61 $547K 101,053
2026-01-05 Flammer Martina M.D. Chief Medical Officer Sale 10b5-1 −2,836 $171.19 $485K 98,217

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