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Market Pulse
Insider Activity
Rare Buys
Institutional Holdings
Sentiment
AI Capex Stress
About
← Companies
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Table
INSM
INSMED Inc
SEC EDGAR ↗
Filter insider trades by type and date range
Trade Types
Buy
Sell
Exercise
Grant
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Range
3M
6M
1Y
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Next Earnings
—
Net Activity (1Y)
-$76.8M
Net Activity (90D)
-$53.3M
Insider Activity Graph
(53 shown · 111 raw)
Green/Red bubbles = daily net insider value (size = magnitude), Blue line = daily close price, E = earnings-related SEC filing
$14.5M
$7.2M
$0
-$7.2M
-$14.5M
$82.31
$117.00
$151.69
$186.38
$221.07
Sep '25
Nov '25
Jan '26
Mar '26
May '26
Jul '26
2026-03-30: Buy $0 · Sell $3.0M · Net -$3.0M
2026-04-01: Buy $0 · Sell $14.5M · Net -$14.5M
2026-04-06: Buy $0 · Sell $1.7M · Net -$1.7M
2026-04-16: Buy $0 · Sell $1.5M · Net -$1.5M
2026-05-04: Buy $0 · Sell $1.5M · Net -$1.5M
2026-05-11: Buy $0 · Sell $1.3M · Net -$1.3M
2026-05-13: Buy $0 · Sell $4.6M · Net -$4.6M
2026-05-14: Buy $0 · Sell $1.2M · Net -$1.2M
2026-05-18: Buy $0 · Sell $2.7M · Net -$2.7M
2026-05-22: Buy $0 · Sell $667K · Net -$667K
2026-06-03: Buy $0 · Sell $1.7M · Net -$1.7M
2026-06-05: Buy $0 · Sell $193K · Net -$193K
2026-06-08: Buy $0 · Sell $613K · Net -$613K
2026-06-22: Buy $0 · Sell $173K · Net -$173K
2026-06-25: Buy $0 · Sell $2.2M · Net -$2.2M
2026-07-06: Buy $0 · Sell $1.4M · Net -$1.4M
2026-07-09: Buy $0 · Sell $1.3M · Net -$1.3M
2026-07-23: Buy $0 · Sell $1.1M · Net -$1.1M
2026-08-06: Buy $0 · Sell $3.5M · Net -$3.5M
Insider trades for this company
Insider
Title
Type
Date ↓
Shares
Value
Roger Adsett
Chief Operating Officer
Sale
2026-08-10
239,850
$32.0M
Martina Flammer M.D.
Chief Medical Officer
Sale
2026-08-06
27,173
$3.5M
William Lewis
Chair and CEO
Sale
2026-07-23
10,700
$1.1M
William Lewis
Chair and CEO
Sale
2026-07-09
10,699
$1.3M
Martina Flammer M.D.
Chief Medical Officer
Sale
2026-07-06
12,302
$1.4M
William Lewis
Chair and CEO
Sale
2026-06-25
21,398
$2.2M
Michael Alexander Smith
Chief Legal Officer
Sale
2026-06-22
1,806
$173K
William Lewis
Chair and CEO
Sale
2026-06-08
6,515
$613K
Martina Flammer M.D.
Chief Medical Officer
Sale
2026-06-05
1,858
$193K
Roger Adsett
Chief Operating Officer
Sale
2026-06-03
2,370
$242K
Sara Bonstein
Chief Financial Officer
Sale
2026-06-03
2,404
$246K
Michael Alexander Smith
Chief Legal Officer
Sale
2026-06-03
2,159
$221K
William Lewis
Chair and CEO
Sale
2026-06-03
7,605
$778K
Martina Flammer M.D.
Chief Medical Officer
Sale
2026-06-03
2,566
$262K
Michael Alexander Smith
Chief Legal Officer
Sale
2026-05-22
6,149
$667K
William Lewis
Chair and CEO
Sale
2026-05-18
25,564
$2.7M
Martina Flammer M.D.
Chief Medical Officer
Sale
2026-05-14
10,479
$1.2M
Sara Bonstein
Chief Financial Officer
Sale
2026-05-13
8,272
$961K
Roger Adsett
Chief Operating Officer
Sale
2026-05-13
5,837
$678K
Martina Flammer M.D.
Chief Medical Officer
Sale
2026-05-13
7,854
$897K
Michael Alexander Smith
Chief Legal Officer
Sale
2026-05-13
4,109
$477K
William Lewis
Chair and CEO
Sale
2026-05-13
13,283
$1.5M
Martina Flammer M.D.
Chief Medical Officer
Sale
2026-05-11
12,949
$1.3M
William Lewis
Chair and CEO
Sale
2026-05-04
10,699
$1.5M
William Lewis
Chair and CEO
Sale
2026-04-16
10,699
$1.5M
William Lewis
Chair and CEO
Sale
2026-04-06
10,699
$1.7M
Roger Adsett
Chief Operating Officer
Sale
2026-04-01
88,060
$14.5M
Michael Alexander Smith
Chief Legal Officer
Sale
2026-03-30
19,638
$3.0M
View all 111 trades for INSM →