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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
2025-09-02 Smith Michael Alexander Chief Legal Officer Sale 10b5-1 −1,354 $141.16 $191K 77,820
2025-09-02 Smith Michael Alexander Chief Legal Officer Sale 10b5-1 −1,100 $142.06 $156K 76,720
2025-09-02 Smith Michael Alexander Chief Legal Officer Sale 10b5-1 −7,391 $143.16 $1.1M 69,329
2025-09-02 Smith Michael Alexander Chief Legal Officer Sale 10b5-1 −8,300 $144.16 $1.2M 61,029
2025-09-02 Smith Michael Alexander Chief Legal Officer Sale 10b5-1 −4,944 $145.18 $718K 56,085
2025-09-02 Smith Michael Alexander Chief Legal Officer Sale 10b5-1 −1,183 $145.89 $173K 54,902
2025-09-02 Smith Michael Alexander Chief Legal Officer Option exercise · Stock Option (right to buy) 10b5-1 −12,780 0
2025-09-02 Flammer Martina M.D. Chief Medical Officer Option exercise 10b5-1 +13,680 $34.03 $466K 96,791
2025-09-02 Flammer Martina M.D. Chief Medical Officer Option exercise 10b5-1 +17,160 $26.46 $454K 113,951
2025-09-02 Flammer Martina M.D. Chief Medical Officer Option exercise 10b5-1 +25,710 $26.43 $680K 139,661
2025-09-02 Flammer Martina M.D. Chief Medical Officer Option exercise 10b5-1 +38,846 $17.07 $663K 178,507
2025-09-02 Flammer Martina M.D. Chief Medical Officer Option exercise 10b5-1 +13,072 $19.74 $258K 191,579
2025-09-02 Flammer Martina M.D. Chief Medical Officer Option exercise 10b5-1 +36,555 $18.95 $693K 228,134
2025-09-02 Flammer Martina M.D. Chief Medical Officer Option exercise 10b5-1 +23,835 $29.13 $694K 251,969
2025-09-02 Flammer Martina M.D. Chief Medical Officer Option exercise 10b5-1 +17,790 $25.83 $460K 269,759
2025-09-02 Flammer Martina M.D. Chief Medical Officer Sale 10b5-1 −19,066 $141.27 $2.7M 250,693
2025-09-02 Flammer Martina M.D. Chief Medical Officer Sale 10b5-1 −5,877 $142.03 $835K 244,816
2025-09-02 Flammer Martina M.D. Chief Medical Officer Sale 10b5-1 −35,245 $143.16 $5.0M 209,571
2025-09-02 Flammer Martina M.D. Chief Medical Officer Sale 10b5-1 −28,063 $144.05 $4.0M 181,508
2025-09-02 Flammer Martina M.D. Chief Medical Officer Sale 10b5-1 −63,782 $145.33 $9.3M 117,726

Page 17 of 23 · 448 trades