LEWIS WILLIAM

PrivateCIK: 1402051
Location

BRIDGEWATER, NJ

LEWIS WILLIAM (Chair and CEO) sold 4.3% of their position (13.40K shares) of INSMED INC on the open market

Open‑market sale worth $1.98M — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales
InsiderLEWIS WILLIAMCIK 1402051
IssuerINSMED INCCIK 1104506
DirectorOfficer· Chair and CEO
Since Mar 2026
-13.40K
Net shares
Net seller
$1.98M
Total sold
3
Open market trades
0B · 3S
7
Total transactions
10.70K acquired · 24.09K disposed
Non-Derivative Transactions5

Common Stock

Direct
M · Option Exercise

Shares

+4.44K

Price / share

$17.16

Trade value

$76.19K

% of position

1.5%
2/9/2026
303.88K308.32K

Common Stock

Direct
M · Option Exercise

Shares

+6.26K

Price / share

$30.46

Trade value

$190.65K

% of position

2.0%
2/9/2026
308.32K314.58K

Common Stock

Direct
S · Sale

Shares

4.89K

Price / share

$147.17

Trade value

$719.37K

% of position

1.6%
2/9/2026
314.58K309.69K

Common Stock

Direct
S · Sale

Shares

7.22K

Price / share

$148.02

Trade value

$1.07M

% of position

2.3%
2/9/2026
309.69K302.47K

Common Stock

Direct
S · Sale

Shares

1.29K

Price / share

$148.83

Trade value

$191.54K

% of position

0.4%
2/9/2026
302.47K301.19K
Total

Net shares

2.70K

Net value

-$1.71M

Derivative Transactions2

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

4.44K shares

Shares

4.44K

Strike price

17.16

Held after

48.84K

Exercisable

2/9/2026

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

6.26K shares

Shares

6.26K

Strike price

30.46

Held after

68.85K

Exercisable

2/9/2026
Non-Derivative Holdings (Post-Transaction)2

Common Stock

Indirect
Shares owned50.50K

Common Stock

Indirect
Shares owned233.92K
Total
284.42K indirect284.42K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
LEWIS WILLIAM — Insider Transaction (Form 4) Filed Feb 11, 2026 | Finecho