Form 4 Tracker
William Lewis

Director, Chair and CEO · 16 filings · Latest: Jul 23, 2026

INSMED Inc
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
INSM
Lewis William—May 1, 2025
Proposed Sale
$72.546,830$495.4K—
INSM
Lewis William—Apr 15, 2025
Proposed Sale
$70.126,830$478.9K—
INSM
Lewis William—Apr 1, 2025
Proposed Sale
$73.556,830$502.4K—
INSM
Lewis William—Mar 17, 2025
Proposed Sale
$77.0025,580$2.0M—
INSM
Lewis William—Mar 3, 2025
Proposed Sale
$77.7525,580$2.0M—
INSM
Lewis William—Feb 18, 2025
Proposed Sale
$81.0025,580$2.1M—
INSM
Lewis William—Feb 6, 2025
Proposed Sale
$80.9086,000$7.0M—
INSM
Lewis William—Feb 3, 2025
Proposed Sale
$77.9125,580$2.0M—
INSM
Lewis William—Jan 15, 2025
Proposed Sale
$70.1738,635$2.7M—
INSM
Lewis William—Jan 10, 2025
Proposed Sale
$63.342,978$188.6K—
INSM
Lewis William—Jan 8, 2025
Proposed Sale
$65.953,999$263.7K—
INSM
Lewis William—Jan 7, 2025
Proposed Sale
$66.018,218$542.5K—
INSM
Lewis William—Jan 2, 2025
Proposed Sale
$69.8225,580$1.8M—
INSM
Lewis William—Dec 19, 2024
Proposed Sale
$69.8825,580$1.8M—
INSM
Lewis William—Dec 12, 2024
Proposed Sale
$72.9425,580$1.9M—

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