Insider Transactions Reported by 18 Insiders of INSMED Inc

Symbol
INSM on Nasdaq
Location
Bridgewater, NJ

Insiders trading volume in the past year

INSMED Inc executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
William Lewis Chair and CEO, Director $82,798,222 -$38,460,155 -32% 05 Mar 2026
Melvin Sharoky MD Director $40,016,132 -$8,064,900 -17% 03 Mar 2026
David R. Brennan Director $19,315,418 23 Feb 2026
Roger Adsett Chief Operating Officer $17,334,763 -$5,882,474 -25% 03 Feb 2026
David W. J. Mcgirr Director $17,196,316 -$451,535 -2.6% 09 Feb 2026
Martina M.d. Flammer Chief Medical Officer $13,343,808 -$48,180,176 -78% 05 Feb 2026
Sara Bonstein Chief Financial Officer $13,123,611 -$24,307,922 -65% 03 Feb 2026
Elizabeth M. Anderson Director $12,014,778 -$2,981,600 -20% 24 Nov 2025
John Drayton Wise Chief Commercial Officer $11,150,460 05 Feb 2025
Leo Lee Director $10,793,239 -$14,692,249 -58% 17 Nov 2025
Steinar J. Engelsen Director $9,184,561 01 Nov 2021
Michael A. Smith Chief Legal Officer $8,680,178 -$15,555,800 -64% 24 Feb 2026
Orlov S. Nicole Schaeffer Chief People Strategy Officer $7,423,026 -$46,713,509 -86% 02 Jan 2026
Christine A. Pellizzari Chief Legal Officer $5,466,099 15 May 2021
Clarissa Desjardins Director $4,821,510 +$201,694 +4.4% 20 May 2025
Carol Schafer Director $4,366,340 15 May 2025
John Soriano Chief Compliance Officer $2,074,314 07 Sep 2021
Alfred Altomari Director $874,247 13 May 2024

Recent Insider Transactions by Companies or Individuals for INSMED Inc

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
William Lewis INSM Common Stock Sale -3.43% $1,562,328 $146.03 -10,699 301,185 05 Mar 2026 Direct
William Lewis INSM Common Stock Options Exercise 3.55% 10,699 311,884 05 Mar 2026 Direct
William Lewis INSM Stock Option (right to buy) Options Exercise -21.1% -10,699 39,960 05 Mar 2026 Direct
Melvin Sharoky MD INSM Common Stock Gift -0.04% -100 242,776 03 Mar 2026 Direct
Melvin Sharoky MD INSM Common Stock Gift 42.2% 243 819 25 Feb 2026 By Melvin Sharoky C/F Adler J. Wink UTMA/FL
Melvin Sharoky MD INSM Common Stock Gift 5.1% 243 5,007 25 Feb 2026 By Melvin Sharoky C/F Sophie C. Wink UTMA/FL
Melvin Sharoky MD INSM Common Stock Gift 6.98% 243 3,724 25 Feb 2026 By Melvin Sharoky C/F Tulia L. Sharoky UTMA/FL
Melvin Sharoky MD INSM Common Stock Gift 4.69% 243 5,423 25 Feb 2026 By Melvin Sharoky C/F Nolan M. Wink UTMA/FL
Melvin Sharoky MD INSM Common Stock Gift -0.44% -1,072 242,876 25 Feb 2026 Direct
Michael A. Smith INSM Common Stock Sale -32.3% $3,859,157 $155.77 -24,774 51,871 24 Feb 2026 Direct
Michael A. Smith INSM Common Stock Options Exercise 35.9% 20,248 76,645 24 Feb 2026 Direct
Michael A. Smith INSM Stock Option (right to buy) Options Exercise -58.6% -20,248 14,282 24 Feb 2026 Direct
David R. Brennan INSM Common Stock Gift -8.96% -6,000 60,933 23 Feb 2026 Direct
William Lewis INSM Common Stock Sale -3.43% $1,615,257 $150.97 -10,699 301,185 19 Feb 2026 Direct
William Lewis INSM Common Stock Options Exercise 3.55% 10,699 311,884 19 Feb 2026 Direct
William Lewis INSM Stock Option (right to buy) Options Exercise -19.4% -10,699 44,400 19 Feb 2026 Direct
David W. J. Mcgirr INSM Common Stock Gift 53,400 53,400 09 Feb 2026 By family trust
David W. J. Mcgirr INSM Common Stock Gift -54.6% -53,400 44,323 09 Feb 2026 Direct
William Lewis INSM Common Stock Sale -4.26% $1,979,764 $147.79 -13,396 301,185 09 Feb 2026 Direct
William Lewis INSM Common Stock Options Exercise 3.52% 10,699 314,581 09 Feb 2026 Direct
William Lewis INSM Stock Option (right to buy) Options Exercise -18% -10,699 48,840 09 Feb 2026 Direct
Martina M.d. Flammer INSM Common Stock Sale -1.03% $132,470 $152.44 -869 83,243 05 Feb 2026 Direct
Michael A. Smith INSM Common Stock Sale -1.12% $100,013 $156.27 -640 56,397 03 Feb 2026 Direct
Martina M.d. Flammer INSM Common Stock Sale -0.94% $123,837 $155.77 -795 84,112 03 Feb 2026 Direct
Roger Adsett INSM Common Stock Sale -0.74% $123,530 $156.17 -791 106,810 03 Feb 2026 Direct
Sara Bonstein INSM Common Stock Sale -0.93% $116,942 $156.34 -748 79,758 03 Feb 2026 Direct
William Lewis INSM Common Stock Sale -0.98% $470,427 $156.34 -3,009 303,882 03 Feb 2026 Direct
Martina M.d. Flammer INSM Common Stock Sale -8.59% $1,233,959 $154.59 -7,982 84,907 02 Feb 2026 Direct
Martina M.d. Flammer INSM Common Stock Options Exercise 9.4% 7,982 92,889 02 Feb 2026 Direct
Martina M.d. Flammer INSM Stock Option (right to buy) Options Exercise -25% -7,982 23,948 02 Feb 2026 Direct
William Lewis INSM Common Stock Sale -3.37% $1,700,411 $158.93 -10,699 306,891 20 Jan 2026 Direct
William Lewis INSM Common Stock Options Exercise 3.49% 10,699 317,590 20 Jan 2026 Direct
William Lewis INSM Stock Option (right to buy) Options Exercise -16.7% -10,699 53,280 20 Jan 2026 Direct
William Lewis INSM Common Stock Sale -5.89% $3,247,349 $169.00 -19,215 306,891 12 Jan 2026 Direct
William Lewis INSM Common Stock Options Exercise 3.39% 10,699 326,106 12 Jan 2026 Direct
William Lewis INSM Stock Option (right to buy) Options Exercise -15.6% -10,699 57,720 12 Jan 2026 Direct
Martina M.d. Flammer INSM Common Stock Sale -2.17% $351,341 $186.19 -1,887 84,907 09 Jan 2026 Direct
Roger Adsett INSM Common Stock Sale -1.88% $358,616 $174.17 -2,059 107,601 08 Jan 2026 Direct
Sara Bonstein INSM Common Stock Sale -1.77% $252,024 $174.17 -1,447 80,506 08 Jan 2026 Direct
Martina M.d. Flammer INSM Common Stock Sale -5.36% $854,851 $174.07 -4,911 86,794 08 Jan 2026 Direct
William Lewis INSM Common Stock Sale -1.01% $561,350 $174.17 -3,223 315,407 08 Jan 2026 Direct
Michael A. Smith INSM Common Stock Sale -1.81% $183,401 $174.17 -1,053 57,037 08 Jan 2026 Direct
Roger Adsett INSM Common Stock Sale -0.73% $140,406 $175.07 -802 109,660 07 Jan 2026 Direct
Sara Bonstein INSM Common Stock Sale -2.01% $293,767 $175.07 -1,678 81,953 07 Jan 2026 Direct
Martina M.d. Flammer INSM Common Stock Sale -1.54% $252,155 $175.84 -1,434 91,705 07 Jan 2026 Direct
William Lewis INSM Common Stock Sale -0.73% $412,640 $175.07 -2,357 318,630 07 Jan 2026 Direct
Michael A. Smith INSM Common Stock Sale -1.21% $124,125 $175.07 -709 58,090 07 Jan 2026 Direct
Roger Adsett INSM Common Stock Sale -1.28% $247,689 $173.33 -1,429 110,462 06 Jan 2026 Direct
Sara Bonstein INSM Common Stock Sale -1.78% $262,942 $173.33 -1,517 83,631 06 Jan 2026 Direct
Martina M.d. Flammer INSM Common Stock Sale -9.86% $1,770,134 $173.80 -10,185 93,139 06 Jan 2026 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.