Executive and director filing history, acquisition and disposal balance, executive concentration, cadence, and stored market context.
Symbol
INSMLatest filing 23 Jul 2026
Company Read
Net disposal
INSM has 98 stored insider filings.
Acquisitions account for 28.6% of classified filings and disposals account for 71.4%.
The largest stored filing is $10.3M from ADSETT, ROGER.
Latest filing
23 Jul 2026most recent stored row
Largest filing
$10.3Mreported transaction value
Total filings
98stored transaction rows
Acquisition value
$4.4M28 acquisitions
Disposal value
$41.4M70 disposals
Net value
$-36.9Macquisitions minus disposals
Filing cadence
Last 12 active months
Mar 20265
Apr 202620
May 202635
Jun 202619
Jul 202619
Acquisitions 28.6% · Disposals 71.4%
Mar 2026$3.5M
Apr 2026$19.6M
May 2026$12.7M
Jun 2026$5.5M
Jul 2026$4.6M
Executive concentration
By filing count
LEWIS, WILLIAMDirector, Chair and CEO · 57 filings
FLAMMER, MARTINA M.D.Chief Medical Officer · 15 filings
SMITH, MICHAEL ALEXANDERChief Legal Officer · 9 filings
ADSETT, ROGERChief Operating Officer · 7 filings
BONSTEIN, SARAChief Financial Officer · 2 filings
BUTERA, SAMUELESVP, GM, Global Respiratory · 2 filings
ANDERSON, ELIZABETH MDirector · 1 filings
SCHAFER, CAROLDirector · 1 filings
Market Context
INSM weekly market snapshot
Week 31 Jul 2026
Latest close
98.60 USDstored weekly close
1-week move
-7.8%latest weekly bar
13-week move
-11.6%medium-term context
Relative Strength
-38.5Sharemaestro indicator
Fair value gap
+15.2%price vs fair value
Trend signal
0smoothed trend state
Transaction History
Latest insider filings for INSM
Showing 31-60 of 98
Date
22 Jun 2026
Insider
SMITH, MICHAEL ALEXANDERChief Legal Officer
Side
Disposal
Shares
1806
Price
95.82
Value
173051
Security
Common Stock
Date
8 Jun 2026
Insider
LEWIS, WILLIAMDirector, Chair and CEO
Side
Disposal
Shares
6515
Price
94.03
Value
612605
Security
Common Stock
Date
5 Jun 2026
Insider
FLAMMER, MARTINA M.D.Chief Medical Officer
Side
Disposal
Shares
1858
Price
103.78
Value
192823
Security
Common Stock
Date
3 Jun 2026
Insider
LEWIS, WILLIAMDirector, Chair and CEO
Side
Disposal
Shares
7605
Price
102.27
Value
777763
Security
Common Stock
Date
3 Jun 2026
Insider
FLAMMER, MARTINA M.D.Chief Medical Officer
Side
Disposal
Shares
2566
Price
102.27
Value
262425
Security
Common Stock
Date
3 Jun 2026
Insider
BONSTEIN, SARAChief Financial Officer
Side
Disposal
Shares
2404
Price
102.27
Value
245857
Security
Common Stock
Date
3 Jun 2026
Insider
ADSETT, ROGERChief Operating Officer
Side
Disposal
Shares
2370
Price
102.27
Value
242380
Security
Common Stock
Date
3 Jun 2026
Insider
SMITH, MICHAEL ALEXANDERChief Legal Officer
Side
Disposal
Shares
2159
Price
102.27
Value
220801
Security
Common Stock
Date
22 May 2026
Insider
SMITH, MICHAEL ALEXANDERChief Legal Officer
Side
Disposal
Shares
6149
Price
108.47
Value
666982
Security
Common Stock
Date
18 May 2026
Insider
LEWIS, WILLIAMDirector, Chair and CEO
Side
Disposal
Shares
11836
Price
106.39
Value
1259232
Security
Common Stock
Date
18 May 2026
Insider
LEWIS, WILLIAMDirector, Chair and CEO
Side
Disposal
Shares
7975
Price
106.97
Value
853086
Security
Common Stock
Date
18 May 2026
Insider
LEWIS, WILLIAMDirector, Chair and CEO
Side
Disposal
Shares
5753
Price
105.32
Value
605906
Security
Common Stock
Date
18 May 2026
Insider
LEWIS, WILLIAMDirector, Chair and CEO
Side
Acquisition
Shares
6259
Price
30.46
Value
190649
Security
Common Stock
Date
18 May 2026
Insider
LEWIS, WILLIAMDirector, Chair and CEO
Side
Acquisition
Shares
4440
Price
17.16
Value
76190
Security
Common Stock
Date
18 May 2026
Insider
LEWIS, WILLIAMDirector, Chair and CEO
Side
Disposal
Shares
6259
Price
0.00
Value
0
Security
Stock Option (right to buy)
Date
18 May 2026
Insider
LEWIS, WILLIAMDirector, Chair and CEO
Side
Disposal
Shares
4440
Price
0.00
Value
0
Security
Stock Option (right to buy)
Date
14 May 2026
Insider
FLAMMER, MARTINA M.D.Chief Medical Officer
Side
Disposal
Shares
10479
Price
117.54
Value
1231702
Security
Common Stock
Date
13 May 2026
Insider
ANDERSON, ELIZABETH MDirector
Side
Acquisition
Shares
3305
Price
-
Value
-
Security
Common Stock
Date
13 May 2026
Insider
BRENNAN, DAVID RDirector
Side
Acquisition
Shares
3305
Price
-
Value
-
Security
Common Stock
Date
13 May 2026
Insider
DESJARDINS, CLARISSADirector
Side
Acquisition
Shares
3305
Price
-
Value
-
Security
Common Stock
Date
13 May 2026
Insider
LEE, LEODirector
Side
Acquisition
Shares
3305
Price
-
Value
-
Security
Common Stock
Date
13 May 2026
Insider
SCHAFER, CAROLDirector
Side
Acquisition
Shares
3305
Price
-
Value
-
Security
Common Stock
Date
13 May 2026
Insider
SHAROKY, MELVIN MDDirector
Side
Acquisition
Shares
3305
Price
-
Value
-
Security
Common Stock
Date
13 May 2026
Insider
LEWIS, WILLIAMDirector, Chair and CEO
Side
Disposal
Shares
13283
Price
116.18
Value
1543219
Security
Common Stock
Date
13 May 2026
Insider
BONSTEIN, SARAChief Financial Officer
Side
Disposal
Shares
8272
Price
116.18
Value
961041
Security
Common Stock
Date
13 May 2026
Insider
ADSETT, ROGERChief Operating Officer
Side
Disposal
Shares
5837
Price
116.18
Value
678143
Security
Common Stock
Date
13 May 2026
Insider
FLAMMER, MARTINA M.D.Chief Medical Officer
Side
Disposal
Shares
4470
Price
112.76
Value
504037
Security
Common Stock
Date
13 May 2026
Insider
SMITH, MICHAEL ALEXANDERChief Legal Officer
Side
Disposal
Shares
4109
Price
116.18
Value
477384
Security
Common Stock
Date
13 May 2026
Insider
FLAMMER, MARTINA M.D.Chief Medical Officer
Side
Disposal
Shares
3384
Price
116.18
Value
393153
Security
Common Stock
Date
11 May 2026
Insider
FLAMMER, MARTINA M.D.Chief Medical Officer
Side
Disposal
Shares
12119
Price
100.35
Value
1216142
Security
Common Stock
Plain English Guide
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