Form 4 Tracker
William Lewis

Director, Chair and CEO · 14 filings · Latest: Jun 25, 2026

INSMED Inc
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
INSM
William LewisApr 6, 2026
Proposed Sale
$163.2210,699$1.7M
INSM
William LewisDirector, Chair and CEOMar 19, 2026
Sale
$143.5210,699$1.5M301,185
INSM
William LewisDirector, Chair and CEOMar 19, 2026
Option Exercise
$24.9410,699$266.8K311,884
INSM
William LewisMar 19, 2026
Proposed Sale
$143.5210,699$1.5M
INSM
William LewisMar 5, 2026
Proposed Sale
$146.0210,699$1.6M
INSM
William LewisDirector, Chair and CEOMar 5, 2026
Sale
$146.0310,699$1.6M301,185
INSM
William LewisDirector, Chair and CEOMar 5, 2026
Option Exercise
$24.9410,699$266.8K311,884
INSM
William LewisDirector, Chair and CEOFeb 19, 2026
Sale
$150.9710,699$1.6M301,185
INSM
William LewisDirector, Chair and CEOFeb 19, 2026
Option Exercise
$24.9410,699$266.8K311,884
INSM
William LewisFeb 19, 2026
Proposed Sale
$150.9710,699$1.6M
INSM
William LewisDirector, Chair and CEOFeb 9, 2026
Sale
$147.7913,396$2.0M301,185
INSM
William LewisDirector, Chair and CEOFeb 9, 2026
Option Exercise
$24.9410,699$266.8K314,581
INSM
William LewisFeb 9, 2026
Proposed Sale
$147.7913,396$2.0M
INSM
William LewisDirector, Chair and CEOFeb 3, 2026
Sale
$156.343,009$470.4K303,882
INSM
William LewisFeb 3, 2026
Proposed Sale
$156.333,009$470.4K
INSM
William LewisDirector, Chair and CEOJan 20, 2026
Sale
$158.9310,699$1.7M306,891
INSM
William LewisDirector, Chair and CEOJan 20, 2026
Option Exercise
$24.9410,699$266.8K317,590
INSM
William LewisJan 20, 2026
Proposed Sale
$158.9310,699$1.7M
INSM
William LewisJan 12, 2026
Proposed Sale
$169.0019,215$3.2M
INSM
William LewisJan 8, 2026
Proposed Sale
$174.173,223$561.3K