Latest Insider Transactions at Insmed Inc (INSM)
This section provides a real-time view of insider transactions for Insmed Inc (INSM). The data is sourced from Form 4 filings with the SEC, which are filed by insiders of INSMED Inc to disclose their transactions in the company's securities. By reviewing this information, investors can gain insights into the trading activity of INSMED Inc's insiders and make more informed investment decisions.
Insider Transaction List
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Jan 08
2026
|
William Lewis Chair and CEO |
SELL
Open market or private sale
|
Direct |
3,223
-1.01%
|
$560,802
$174.17 P/Share
|
|
Jan 08
2026
|
Martina M.D. Flammer Chief Medical Officer |
SELL
Open market or private sale
|
Direct |
4,911
-2.71%
|
$854,514
$174.02 P/Share
|
|
Jan 08
2026
|
Sara Bonstein Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
1,447
-1.77%
|
$251,778
$174.17 P/Share
|
|
Jan 08
2026
|
Roger Adsett Chief Operating Officer |
SELL
Open market or private sale
|
Direct |
2,059
-1.88%
|
$358,266
$174.17 P/Share
|
|
Jan 08
2026
|
Michael Alexander Smith Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
1,053
-1.81%
|
$183,222
$174.17 P/Share
|
|
Jan 07
2026
|
William Lewis Chair and CEO |
SELL
Open market or private sale
|
Direct |
2,357
-0.73%
|
$412,475
$175.07 P/Share
|
|
Jan 07
2026
|
Martina M.D. Flammer Chief Medical Officer |
SELL
Open market or private sale
|
Direct |
1,434
-1.54%
|
$250,950
$175.84 P/Share
|
|
Jan 07
2026
|
Sara Bonstein Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
1,678
-2.01%
|
$293,650
$175.07 P/Share
|
|
Jan 07
2026
|
Roger Adsett Chief Operating Officer |
SELL
Open market or private sale
|
Direct |
802
-0.73%
|
$140,350
$175.07 P/Share
|
|
Jan 07
2026
|
Michael Alexander Smith Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
709
-1.21%
|
$124,075
$175.07 P/Share
|
|
Jan 06
2026
|
William Lewis Chair and CEO |
SELL
Open market or private sale
|
Direct |
4,096
-1.26%
|
$708,608
$173.33 P/Share
|
|
Jan 06
2026
|
Martina M.D. Flammer Chief Medical Officer |
SELL
Open market or private sale
|
Direct |
10,185
-2.55%
|
$1,772,190
$174.01 P/Share
|
|
Jan 06
2026
|
Martina M.D. Flammer Chief Medical Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
8,570
+7.66%
|
$222,820
$26.43 P/Share
|
|
Jan 06
2026
|
Sara Bonstein Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
1,517
-1.78%
|
$262,441
$173.33 P/Share
|
|
Jan 06
2026
|
Roger Adsett Chief Operating Officer |
SELL
Open market or private sale
|
Direct |
1,429
-1.28%
|
$247,217
$173.33 P/Share
|
|
Jan 06
2026
|
Michael Alexander Smith Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
1,396
-2.32%
|
$241,508
$173.33 P/Share
|
|
Jan 05
2026
|
Martina M.D. Flammer Chief Medical Officer |
SELL
Open market or private sale
|
Direct |
12,303
-1.72%
|
$2,116,116
$172.35 P/Share
|
|
Jan 05
2026
|
Martina M.D. Flammer Chief Medical Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
12,303
+5.56%
|
$295,272
$24.43 P/Share
|
|
Jan 02
2026
|
Michael Alexander Smith Chief Legal Officer |
BUY
Grant, award, or other acquisition
|
Direct |
5,293
+8.08%
|
-
|
|
Jan 02
2026
|
Roger Adsett Chief Operating Officer |
BUY
Grant, award, or other acquisition
|
Direct |
5,998
+5.09%
|
-
|
|
Jan 02
2026
|
Martina M.D. Flammer Chief Medical Officer |
BUY
Grant, award, or other acquisition
|
Direct |
11,643
+5.96%
|
-
|
|
Jan 02
2026
|
William Lewis Chair and CEO |
BUY
Grant, award, or other acquisition
|
Direct |
21,172
+6.11%
|
-
|
|
Jan 02
2026
|
Sara Bonstein Chief Financial Officer |
BUY
Grant, award, or other acquisition
|
Direct |
11,643
+6.62%
|
-
|
|
Jan 02
2026
|
Orlov S Nicole Schaeffer Chief People Strategy Officer |
SELL
Open market or private sale
|
Direct |
87,290
-19.45%
|
$15,363,040
$176.1 P/Share
|
|
Jan 02
2026
|
Orlov S Nicole Schaeffer Chief People Strategy Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
87,290
+40.35%
|
$1,134,770
$13.91 P/Share
|
|
Jan 02
2026
|
Orlov S Nicole Schaeffer Chief People Strategy Officer |
BUY
Grant, award, or other acquisition
|
Direct |
5,293
+11.25%
|
-
|
|
Dec 18
2025
|
William Lewis Chair and CEO |
SELL
Open market or private sale
|
Direct |
10,699
-0.35%
|
$1,776,034
$166.84 P/Share
|
|
Dec 18
2025
|
William Lewis Chair and CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
10,699
+1.69%
|
$246,077
$23.81 P/Share
|
|
Dec 05
2025
|
Melvin Md Sharoky Director |
SELL
Open market or private sale
|
Direct |
20,000
-7.58%
|
$4,100,000
$205.01 P/Share
|
|
Dec 04
2025
|
William Lewis Chair and CEO |
SELL
Open market or private sale
|
Direct |
10,699
-0.86%
|
$2,203,994
$206.05 P/Share
|
|
Dec 04
2025
|
William Lewis Chair and CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
10,699
+1.68%
|
$246,077
$23.81 P/Share
|
|
Dec 01
2025
|
Martina M.D. Flammer Chief Medical Officer |
SELL
Open market or private sale
|
Direct |
8,895
-3.31%
|
$1,832,370
$206.91 P/Share
|
|
Dec 01
2025
|
Martina M.D. Flammer Chief Medical Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
8,895
+8.82%
|
$222,375
$25.83 P/Share
|
|
Nov 24
2025
|
Elizabeth M Anderson Director |
SELL
Open market or private sale
|
Direct |
5,000
-7.85%
|
$1,020,000
$204.58 P/Share
|
|
Nov 17
2025
|
Leo Lee Director |
SELL
Open market or private sale
|
Direct |
75,000
-15.49%
|
$14,625,000
$195.48 P/Share
|
|
Nov 14
2025
|
Elizabeth M Anderson Director |
SELL
Open market or private sale
|
Direct |
10,000
-13.56%
|
$1,950,000
$195.87 P/Share
|
|
Nov 12
2025
|
Orlov S Nicole Schaeffer Chief People Strategy Officer |
SELL
Open market or private sale
|
Direct |
30,000
-12.87%
|
$5,820,000
$194.1 P/Share
|
|
Nov 12
2025
|
Orlov S Nicole Schaeffer Chief People Strategy Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
30,000
+31.1%
|
$780,000
$26.46 P/Share
|
|
Nov 11
2025
|
Martina M.D. Flammer Chief Medical Officer |
SELL
Open market or private sale
|
Direct |
31,226
-7.6%
|
$5,901,714
$189.78 P/Share
|
|
Nov 11
2025
|
Martina M.D. Flammer Chief Medical Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
31,226
+12.83%
|
$562,068
$18.01 P/Share
|
|
Nov 06
2025
|
David R Brennan Director |
BUY
Bona fide gift
|
Indirect |
60,000
+50.0%
|
-
|
|
Nov 06
2025
|
David R Brennan Director |
SELL
Bona fide gift
|
Direct |
60,000
-47.27%
|
-
|
|
Nov 03
2025
|
Michael Alexander Smith Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
27,130
-4.87%
|
$4,991,920
$184.42 P/Share
|
|
Nov 03
2025
|
Michael Alexander Smith Chief Legal Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
27,130
+24.85%
|
$623,990
$23.75 P/Share
|
|
Sep 12
2025
|
Melvin Md Sharoky Director |
SELL
Open market or private sale
|
Direct |
10,000
-3.67%
|
$1,450,000
$145.39 P/Share
|
|
Sep 12
2025
|
Orlov S Nicole Schaeffer Chief People Strategy Officer |
SELL
Open market or private sale
|
Direct |
76,520
-23.94%
|
$11,171,920
$146.08 P/Share
|
|
Sep 12
2025
|
Orlov S Nicole Schaeffer Chief People Strategy Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
56,520
+33.34%
|
$1,299,960
$23.75 P/Share
|
|
Sep 11
2025
|
Melvin Md Sharoky Director |
BUY
Bona fide gift
|
Direct |
159
+0.06%
|
-
|
|
Sep 11
2025
|
Melvin Md Sharoky Director |
SELL
Bona fide gift
|
Indirect |
159
-17.67%
|
-
|
|
Sep 11
2025
|
Melvin Md Sharoky Director |
SELL
Bona fide gift
|
Direct |
2,000
-0.73%
|
-
|