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 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
INSMED INC: INSM
Price: 1/30/26 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$156.87 $212.75 $60.40 $33,456 213 3,047 0.0% 6.2% 104.98% 0.56%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Chemicals And Allied Products Pharmaceutical Preparations
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
1y
28
36%
68%
2
LEWIS WILLIAM
CB,CEO,DIR
OS
$1,700,412
10,699
---
1/20/26
$156.80
$160.70
306,891
-3.4
D
10b
1/22/26 - 4:28:50 pm
2
    
 
LEWIS WILLIAM
CB,CEO,DIR
OE
$266,840
10,699
---
1/20/26
---
$17.16
317,590
3.5
D
10b
1/22/26 - 4:28:50 pm
3
1y
28
36%
68%
2
LEWIS WILLIAM
CB,CEO,DIR
OS
$3,247,349
19,215
---
1/12/26
$167.73
$174.86
306,891
-5.9
D
10b
1/13/26 - 4:04:05 pm
4
    
 
LEWIS WILLIAM
CB,CEO,DIR
OE
$266,840
10,699
---
1/12/26
---
$17.16
326,106
3.4
D
10b
1/13/26 - 4:04:05 pm
5
    
 
FLAMMER MARTINA M D
O
AS
$351,341
1,887
---
1/9/26
---
$186.19
84,907
-2.2
D
10b
1/13/26 - 4:03:23 pm
6
1y
15
20%
91%
1
ADSETT ROGER
COO
S
$746,711
4,290
1/6/26
1/8/26
$173.33
$174.17
107,601
-3.8
D
R
1/8/26 - 5:22:09 pm
7
1y
9
22%
76%
3
BONSTEIN SARA
CFO
S
$808,733
4,642
1/6/26
1/8/26
$173.33
$174.17
80,506
-5.5
D
R
1/8/26 - 5:21:24 pm
8
    
 
FLAMMER MARTINA M D
O
OS
$2,877,139
16,530
1/6/26
1/8/26
$173.33
$174.17
86,794
-16.0
D
R,10b
1/8/26 - 5:20:48 pm
9
1y
28
36%
68%
2
LEWIS WILLIAM
CB,CEO,DIR
S
$1,683,950
9,676
1/6/26
1/8/26
$173.33
$174.17
315,407
-3.0
D
R
1/8/26 - 5:20:18 pm
10
    
 
SMITH MICHAEL ALEXANDER
LO
S
$549,494
3,158
1/6/26
1/8/26
$173.33
$174.17
57,037
-5.2
D
R
1/8/26 - 5:19:40 pm
11
    
 
FLAMMER MARTINA M D
O
OE
$226,505
8,570
---
1/6/26
---
$26.43
103,324
9.0
D
R,10b
1/8/26 - 5:20:48 pm
12
    
 
FLAMMER MARTINA M D
O
OS
$2,108,507
12,303
---
1/5/26
$169.29
$175.73
94,754
-11.5
D
R,10b
1/6/26 - 4:06:43 pm
13
    
 
FLAMMER MARTINA M D
O
OE
$317,465
12,303
---
1/5/26
$19.74
$29.13
107,057
13.0
D
R,10b
1/6/26 - 4:06:43 pm
14
    
 
BONSTEIN SARA
CFO
JB
---
11,643
---
1/2/26
---
---
85,148
15.8
D
R
1/6/26 - 4:08:43 pm
15
    
 
LEWIS WILLIAM
CB,CEO,DIR
JB
---
21,172
---
1/2/26
---
---
325,083
7.0
D
R
1/6/26 - 4:07:17 pm
16
    
 
FLAMMER MARTINA M D
O
JB
---
11,643
---
1/2/26
---
---
94,754
14.0
D
R,10b
1/6/26 - 4:06:43 pm
17
    
 
ADSETT ROGER
COO
JB
---
5,998
---
1/2/26
---
---
111,891
5.7
D
R
1/6/26 - 4:05:56 pm
18
    
 
SMITH MICHAEL ALEXANDER
LO
JB
---
5,293
---
1/2/26
---
---
60,195
9.6
D
R
1/6/26 - 4:05:02 pm
19
1y
24
29%
58%
2
SCHAEFFER ORLOV S NICOLE
HR
OS
$15,293,422
87,290
---
1/2/26
$174.28
$177.78
41,754
-67.6
D
R,10b
1/6/26 - 4:03:21 pm
20
    
 
SCHAEFFER ORLOV S NICOLE
HR
JB
---
5,293
---
1/2/26
---
---
41,754
14.5
D
R,10b
1/6/26 - 4:03:21 pm
21
    
 
SCHAEFFER ORLOV S NICOLE
HR
OE
$1,214,204
87,290
---
1/2/26
---
$13.91
129,044
209.1
D
R,10b
1/6/26 - 4:03:21 pm
22
1y
28
36%
68%
2
LEWIS WILLIAM
CB,CEO,DIR
OS
$1,786,457
10,699
---
12/18/25
$162.26
$171.20
303,911
-3.4
D
10b
12/19/25 - 4:12:38 pm
23
    
 
LEWIS WILLIAM
CB,CEO,DIR
OE
$266,840
10,699
---
12/18/25
$17.16
$30.46
314,610
3.5
D
10b
12/19/25 - 4:12:38 pm
24
1y
6
100%
-25%
2
SHAROKY MELVIN MD
DIR
S
$4,100,200
20,000
---
12/5/25
---
$205.01
243,948
-7.6
D
---
12/9/25 - 4:05:10 pm
25
1y
28
36%
68%
2
LEWIS WILLIAM
CB,CEO,DIR
OS
$2,199,915
10,699
---
12/4/25
$204.62
$207.42
303,911
-3.4
D
10b
12/5/25 - 4:11:22 pm
26
    
 
LEWIS WILLIAM
CB,CEO,DIR
OE
$266,840
10,699
---
12/4/25
---
$17.16
314,610
3.5
D
10b
12/5/25 - 4:11:22 pm
27
    
 
FLAMMER MARTINA M D
O
OS
$1,841,101
8,895
---
12/1/25
$205.98
$207.73
83,111
-9.7
D
10b
12/3/25 - 4:01:49 pm
28
    
 
FLAMMER MARTINA M D
O
OE
$229,758
8,895
---
12/1/25
---
$25.83
92,006
10.7
D
10b
12/3/25 - 4:01:49 pm
29
    
 
ANDERSON ELIZABETH M
DIR
S
$1,022,900
5,000
---
11/24/25
---
$204.58
58,729
-7.8
D
---
11/26/25 - 4:31:41 pm
30
    
 
LEE LEO
DIR
S
$14,692,249
75,000
---
11/17/25
$193.51
$197.40
54,677
-57.8
D
---
11/18/25 - 4:21:46 pm
31
    
 
ANDERSON ELIZABETH M
DIR
S
$1,958,700
10,000
---
11/14/25
---
$195.87
63,729
-13.6
D
---
11/18/25 - 4:20:06 pm
32
1y
24
29%
58%
2
SCHAEFFER ORLOV S NICOLE
HR
OS
$5,820,061
30,000
---
11/12/25
$192.45
$195.88
36,461
-45.1
D
---
11/14/25 - 4:12:56 pm
33
    
 
SCHAEFFER ORLOV S NICOLE
HR
OE
$793,800
30,000
---
11/12/25
---
$26.46
66,461
82.3
D
---
11/14/25 - 4:12:56 pm
34
    
 
FLAMMER MARTINA M D
O
OS
$5,922,795
31,226
---
11/11/25
$188.38
$191.04
83,111
-27.3
D
10b
11/13/25 - 4:32:14 pm
35
    
 
FLAMMER MARTINA M D
O
OE
$567,389
31,226
---
11/11/25
$17.07
$18.95
114,337
37.6
D
10b
11/13/25 - 4:32:14 pm
36
    
 
BRENNAN DAVID R
DIR
JS
---
60,000
---
11/6/25
---
---
66,933
-47.3
D
---
11/10/25 - 4:42:41 pm
37
    
 
BRENNAN DAVID R
DIR
JB
---
60,000
---
11/6/25
---
---
60,000
New
I
---
11/10/25 - 4:42:41 pm
38
    
 
SMITH MICHAEL ALEXANDER
LO
OS
$4,985,911
27,130
---
11/3/25
$181.01
$187.97
54,902
-33.1
D
10b
11/5/25 - 4:08:19 pm
39
    
 
SMITH MICHAEL ALEXANDER
LO
OE
$644,338
27,130
---
11/3/25
---
$23.75
82,032
49.4
D
10b
11/5/25 - 4:08:19 pm
40
1y
24
29%
58%
2
SCHAEFFER ORLOV S NICOLE
HR
OS
$11,129,927
76,520
---
9/12/25
$144.60
$147.46
36,461
-67.7
D
10b
9/15/25 - 4:23:09 pm
41
    
 
SCHAEFFER ORLOV S NICOLE
HR
OE
$1,342,350
56,520
---
9/12/25
---
$23.75
112,981
100.1
D
10b
9/15/25 - 4:23:09 pm
42
1y
6
100%
-25%
2
SHAROKY MELVIN MD
DIR
S
$1,453,900
10,000
---
9/12/25
---
$145.39
262,675
-3.7
D
---
9/15/25 - 4:22:21 pm
43
    
 
SHAROKY MELVIN MD
DIR
JS
---
2,000
---
9/11/25
---
---
272,516
-0.7
D
---
9/15/25 - 4:22:21 pm
44
    
 
SHAROKY MELVIN MD
DIR
JS
---
159
---
9/11/25
---
---
741
-17.7
I
---
9/15/25 - 4:22:21 pm
45
    
 
SHAROKY MELVIN MD
DIR
JB
---
159
---
9/11/25
---
---
272,675
0.1
D
---
9/15/25 - 4:22:21 pm
46
    
 
SCHAEFFER ORLOV S NICOLE
HR
JS
---
23,303
---
9/4/25
---
---
56,461
-29.2
D
---
9/5/25 - 4:25:45 pm
47
    
 
SMITH MICHAEL ALEXANDER
LO
OS
$3,492,378
24,272
---
9/2/25
$141.16
$145.89
54,902
-30.7
D
10b
9/4/25 - 5:26:29 pm
48
    
 
SMITH MICHAEL ALEXANDER
LO
OE
$389,279
12,780
---
9/2/25
---
$30.46
79,174
19.2
D
10b
9/4/25 - 5:26:29 pm
49
    
 
FLAMMER MARTINA M D
O
OS
$26,941,272
186,648
---
9/2/25
$141.27
$146.05
83,111
-69.2
D
10b
9/4/25 - 5:24:22 pm
50
    
 
FLAMMER MARTINA M D
O
OE
$4,366,789
186,648
---
9/2/25
$17.07
$25.83
269,759
224.6
D
10b
9/4/25 - 5:24:22 pm
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