LEWIS WILLIAM

PrivateCIK: 1402051
Location

BRIDGEWATER, NJ

Senior insider sale

Chair and CEO at INSMED INC — senior position signals high conviction

$13.79M

88.09K shares

What this filing means

LEWIS WILLIAM plans to sell 88.09K shares of INSMED INC valued at approximately $13.79M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderLEWIS WILLIAMCIK 1402051
IssuerINSMED INCCIK 1104506
DirectorOfficer· Chair and CEO
Since Mar 2026
88.09K
Shares to sell
$13.79M
Approx. market value
10.70K
Acquired (3 months)
1
Planned
9 completed
Securities Acquired — Last 3 Months1
Sort

Stock Plan Activity

n/a

3/19/2026
10.70K
Total acquired10.70K
Planned & Completed Dispositions10
Sort

Completed

Completed

Units to sell

10.70K

Market value

$1.56M

3/5/2026
Completed

Units to sell

10.70K

Market value

$1.62M

2/19/2026
Completed

Units to sell

13.40K

Market value

$1.98M

2/9/2026
Completed

Units to sell

3.01K

Market value

$470.4K

2/3/2026
Completed

Units to sell

10.70K

Market value

$1.70M

1/20/2026
Completed

Units to sell

19.21K

Market value

$3.25M

1/12/2026
Completed

Units to sell

3.22K

Market value

$561.3K

1/8/2026
Completed

Units to sell

2.36K

Market value

$412.6K

1/7/2026
Completed

Units to sell

4.10K

Market value

$710.0K

1/6/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

10.70K

Market value

$1.54M

3/19/2026
Total

Units

88.09K

Value

$13.79M

LEWIS WILLIAM — Planned Insider Sale (Form 144) | Finecho