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INSMED Inc

INSM Net selling
CIK 0001104506 #651 in the set updated 17 Sep 2026
Bought (120 mo)
$4.36M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$471.70M
$23.98M on a plan · $368.18M straight out of an exercise
Sold at will
$79.54M
176 of 601 sales
Net
−$467.33M
−$75.18M against sales at will

By person

25 insiders · 633 transactions
71.5×

William H. Lewis holds 71.5 times base salary in stock. $61.13M of shares against $854.55K in salary for 2025.

Salary from the company's own proxy. The shares are what William H. Lewis last reported holding, valued at $124.00, the price Common Stock was last bought or sold at on the open market here, on 9 Sep 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Lewis William
Chair and CEO
$249.60K (1)
$121.53M (218) scheduled
−$121.28M
492,982
0.2257%
$61.13M
Flammer Martina M.D.
Chief Medical Officer
$86.69M (88) scheduled
−$86.69M
60,486
0.0277%
$7.50M
Schaeffer Orlov S Nicole
Chief People Strategy Officer
$69.85M (63) scheduled
−$69.85M
41,754
0.0191%
$5.18M
+520.0%
Adsett Roger
Chief Operating Officer
$47.91K (1)
$62.71M (45) scheduled
−$62.66M
98,744
0.0452%
$12.24M
+2,347%
Bonstein Sara
Chief Financial Officer
$44.19M (39) scheduled
−$44.19M
69,082
0.0316%
$8.57M
+1,620%
Smith Michael Alexander
Chief Legal Officer
$33.12M (58) scheduled
−$33.12M
37,648
0.0172%
$4.67M
+44.8%
LEE LEO
Director
$796.05K (1)
$14.69M (5)
−$13.90M
57,971
0.0265%
$7.19M
+480.3%
SHAROKY MELVIN MD
Director
$1.58M (8)
$11.16M (16)
−$9.58M
246,081
0.1127%
$30.51M
+1.7%
Pellizzari Christine A
Chief Legal Officer
$407.48K (4)
$7.94M (19) scheduled
−$7.54M
149,985
0.0687%
$18.60M
+3,786%
SORIANO JOHN
Chief Compliance Officer
$4.85M (7) scheduled
−$4.85M
35,204
0.0161%
$4.37M
+1,182%
Wise John Drayton
Chief Commercial Officer
$3.03M (20) scheduled
−$3.03M
133,015
0.0609%
$16.49M
+142.2%
ANDERSON ELIZABETH M
Director
$2.98M (2)
−$2.98M
62,034
0.0284%
$7.69M
Brennan David R
Director
$301.50K (1)
$3.10M (1)
−$2.80M
159,238
0.0729%
$19.75M
+66.6%
HAYDEN DONALD J JR
Director
$2.45M (7) scheduled
−$2.45M
62,197
0.0285%
$7.71M
+25.8%
ALTOMARI ALFRED
Director
$1.37M (5)
−$1.37M
69,495
0.0318%
$8.62M
+97.6%
Drechsler Andrew T
Chief Financial Officer
$990.35K (3) scheduled
−$990.35K
15,000
0.0069%
$1.86M
ENGELSEN STEINAR J
Director
$783.04K (3)
+$783.04K
320,802
0.1469%
$39.78M
+27.1%
GOLL JOHN
Chief Accounting Officer
$501.00K (1) scheduled
−$501.00K
14,166
0.0065%
$1.76M
+55.5%
MCGIRR DAVID W J
Director
$451.54K (2) scheduled
−$451.54K
97,723
0.0447%
$12.12M
+332.5%
Desjardins Clarissa
Director
$201.69K (2)
+$201.69K
73,337
0.0336%
$9.09M
POTTER MYRTLE S
Director
$82.73K (2)
−$82.73K
25,510
0.0117%
$3.16M
+32.8%
SCHAFER CAROL
Director
66,622
0.0305%
$8.26M
STRECK PAUL
Chief Medical Officer
15,996
0.0073%
$1.98M
TOMBESI PAOLO
Chief Financial Officer
10,669
0.0049%
$1.32M
Butera Samuele
SVP, GM, Global Respiratory
7,342
0.0034%
$910.41K
Insider
Date
Role
Action
Shares
Price
Amount
Brennan David R
9 Sep 2026
Director
Sell
25,000
$124.00
$3.10M
SHAROKY MELVIN MD
17 Aug 2026
Director
Sell indirect
5,000
$127.53
$637.65K
Lewis William
3 Jun 2026
Chair and CEO
Sell
7,605
$102.27
$777.76K
Smith Michael Alexander
3 Jun 2026
Chief Legal Officer
Sell
2,159
$102.27
$220.80K
Bonstein Sara
3 Jun 2026
Chief Financial Officer
Sell
2,404
$102.27
$245.86K
Adsett Roger
3 Jun 2026
Chief Operating Officer
Sell
2,370
$102.27
$242.38K
Lewis William
13 May 2026
Chair and CEO
Sell
13,283
$116.18
$1.54M
Smith Michael Alexander
13 May 2026
Chief Legal Officer
Sell
4,109
$116.18
$477.38K
Adsett Roger
13 May 2026
Chief Operating Officer
Sell
5,837
$116.18
$678.14K
Bonstein Sara
13 May 2026
Chief Financial Officer
Sell
8,272
$116.18
$961.04K
Smith Michael Alexander
3 Feb 2026
Chief Legal Officer
Sell
640
$156.27
$100.01K
Lewis William
3 Feb 2026
Chair and CEO
Sell
3,009
$156.34
$470.43K
Bonstein Sara
3 Feb 2026
Chief Financial Officer
Sell
748
$156.34
$116.94K
Adsett Roger
3 Feb 2026
Chief Operating Officer
Sell
791
$156.17
$123.53K
Smith Michael Alexander
8 Jan 2026
Chief Legal Officer
Sell
1,053
$174.17
$183.40K
Lewis William
8 Jan 2026
Chair and CEO
Sell
3,223
$174.17
$561.35K
Bonstein Sara
8 Jan 2026
Chief Financial Officer
Sell
1,447
$174.17
$252.02K
Adsett Roger
8 Jan 2026
Chief Operating Officer
Sell
2,059
$174.17
$358.62K
Smith Michael Alexander
7 Jan 2026
Chief Legal Officer
Sell
709
$175.07
$124.12K
Lewis William
7 Jan 2026
Chair and CEO
Sell
2,357
$175.07
$412.64K
Bonstein Sara
7 Jan 2026
Chief Financial Officer
Sell
1,678
$175.07
$293.77K
Adsett Roger
7 Jan 2026
Chief Operating Officer
Sell
802
$175.07
$140.41K
Smith Michael Alexander
6 Jan 2026
Chief Legal Officer
Sell
1,396
$173.33
$241.97K
Lewis William
6 Jan 2026
Chair and CEO
Sell
4,096
$173.33
$709.96K
Bonstein Sara
6 Jan 2026
Chief Financial Officer
Sell
1,517
$173.33
$262.94K
Adsett Roger
6 Jan 2026
Chief Operating Officer
Sell
1,429
$173.33
$247.69K
SHAROKY MELVIN MD
5 Dec 2025
Director
Sell
20,000
$205.01
$4.10M
ANDERSON ELIZABETH M
24 Nov 2025
Director
Sell
5,000
$204.58
$1.02M
LEE LEO
17 Nov 2025
Director
Sell
15,174
$197.40
$3.00M
LEE LEO
17 Nov 2025
Director
Sell
24,076
$196.61
$4.73M
LEE LEO
17 Nov 2025
Director
Sell
14,944
$195.39
$2.92M
LEE LEO
17 Nov 2025
Director
Sell
17,594
$194.49
$3.42M
LEE LEO
17 Nov 2025
Director
Sell
3,212
$193.51
$621.55K
ANDERSON ELIZABETH M
14 Nov 2025
Director
Sell
10,000
$195.87
$1.96M
SHAROKY MELVIN MD
12 Sep 2025
Director
Sell
10,000
$145.39
$1.45M
SHAROKY MELVIN MD
20 Aug 2025
Director
Sell
10,000
$129.50
$1.30M
Adsett Roger
19 Aug 2025
Chief Operating Officer
Sell
4,807
$128.27
$616.59K
Adsett Roger
19 Aug 2025
Chief Operating Officer
Sell
20,193
$127.42
$2.57M
Schaeffer Orlov S Nicole
14 Aug 2025
Chief People Strategy Officer
Sell
700
$128.16
$89.71K
Schaeffer Orlov S Nicole
14 Aug 2025
Chief People Strategy Officer
Sell
5,746
$127.71
$733.82K
Schaeffer Orlov S Nicole
14 Aug 2025
Chief People Strategy Officer
Sell
3,554
$126.57
$449.83K
SHAROKY MELVIN MD
12 Aug 2025
Director
Sell
10,000
$121.58
$1.22M
Schaeffer Orlov S Nicole
3 Jun 2025
Chief People Strategy Officer
Sell
1,642
$71.50
$117.40K
Bonstein Sara
3 Jun 2025
Chief Financial Officer
Sell
1,579
$71.50
$112.90K
Adsett Roger
3 Jun 2025
Chief Operating Officer
Sell
1,860
$71.50
$132.99K
Flammer Martina M.D.
3 Jun 2025
Chief Medical Officer
Sell
1,686
$71.50
$120.55K
Smith Michael Alexander
3 Jun 2025
Chief Legal Officer
Sell
1,448
$71.50
$103.53K
Showing 250 of 633 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 472
Amendments (4/A) skipped 1
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 66
Sales straight out of an exercise 359
Sales at will 176
Transactions with no price 0
Shares from compensation/vesting 8,465,982
Sales filed before the plan box existed 60
History held since 4 Oct 2016