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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
2026-01-02 Schaeffer Orlov S Nicole Chief People Strategy Officer Sale 10b5-1 −31,030 $174.28 $5.4M 98,014
2026-01-02 Schaeffer Orlov S Nicole Chief People Strategy Officer Sale 10b5-1 −34,103 $175.17 $6.0M 63,911
2026-01-02 Schaeffer Orlov S Nicole Chief People Strategy Officer Sale 10b5-1 −12,832 $176.08 $2.3M 51,079
2026-01-02 Schaeffer Orlov S Nicole Chief People Strategy Officer Sale 10b5-1 −9,125 $177.17 $1.6M 41,954
2026-01-02 Schaeffer Orlov S Nicole Chief People Strategy Officer Sale 10b5-1 −200 $177.78 $36K 41,754
2026-01-02 Schaeffer Orlov S Nicole Chief People Strategy Officer Grant or award · Stock Option (right to buy) 10b5-1 +27,600 27,600
2026-01-02 Schaeffer Orlov S Nicole Chief People Strategy Officer Option exercise · Stock Option (right to buy) 10b5-1 −87,290 0
2025-12-18 Lewis William Chair and CEO Option exercise 10b5-1 +4,440 $17.16 $76K 308,351
2025-12-18 Lewis William Chair and CEO Option exercise 10b5-1 +6,259 $30.46 $191K 314,610
2025-12-18 Lewis William Chair and CEO Sale 10b5-1 −350 $162.26 $57K 314,260
2025-12-18 Lewis William Chair and CEO Sale 10b5-1 −1,465 $163.19 $239K 312,795
2025-12-18 Lewis William Chair and CEO Sale 10b5-1 −447 $164.24 $73K 312,348
2025-12-18 Lewis William Chair and CEO Sale 10b5-1 −697 $165.21 $115K 311,651
2025-12-18 Lewis William Chair and CEO Sale 10b5-1 −1,783 $166.60 $297K 309,868
2025-12-18 Lewis William Chair and CEO Sale 10b5-1 −1,431 $167.29 $239K 308,437
2025-12-18 Lewis William Chair and CEO Sale 10b5-1 −2,175 $168.54 $367K 306,262
2025-12-18 Lewis William Chair and CEO Sale 10b5-1 −1,938 $169.58 $329K 304,324
2025-12-18 Lewis William Chair and CEO Sale 10b5-1 −362 $170.26 $62K 303,962
2025-12-18 Lewis William Chair and CEO Sale 10b5-1 −51 $171.20 $9K 303,911
2025-12-18 Lewis William Chair and CEO Option exercise · Stock Option (right to buy) 10b5-1 −4,440 62,160

Page 13 of 23 · 448 trades