LEWIS WILLIAM

PrivateCIK: 1402051
Location

BRIDGEWATER, NJ

LEWIS WILLIAM (Chair and CEO) sold 3.4% of their position (10.70K shares) of INSMED INC on the open market

Open‑market sale worth $1.62M — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 5 sales
InsiderLEWIS WILLIAMCIK 1402051
IssuerINSMED INCCIK 1104506
DirectorOfficer· Chair and CEO
Since Mar 2026
-10.70K
Net shares
Net seller
$1.62M
Total sold
5
Open market trades
0B · 5S
9
Total transactions
10.70K acquired · 21.40K disposed
Non-Derivative Transactions7

Common Stock

Direct
M · Option Exercise

Shares

+6.26K

Price / share

$30.46

Trade value

$190.65K

% of position

2.1%
2/19/2026
301.19K307.44K

Common Stock

Direct
M · Option Exercise

Shares

+4.44K

Price / share

$17.16

Trade value

$76.19K

% of position

1.4%
2/19/2026
307.44K311.88K

Common Stock

Direct
S · Sale

Shares

1.99K

Price / share

$149.17

Trade value

$296.55K

% of position

0.6%
2/19/2026
311.88K309.90K

Common Stock

Direct
S · Sale

Shares

1.89K

Price / share

$150.10

Trade value

$283.84K

% of position

0.6%
2/19/2026
309.90K308K

Common Stock

Direct
S · Sale

Shares

3.41K

Price / share

$151.12

Trade value

$515.77K

% of position

1.1%
2/19/2026
308K304.59K

Common Stock

Direct
S · Sale

Shares

2.38K

Price / share

$151.92

Trade value

$361.11K

% of position

0.8%
2/19/2026
304.59K302.21K

Common Stock

Direct
S · Sale

Shares

1.03K

Price / share

$153.38

Trade value

$157.98K

% of position

0.3%
2/19/2026
302.21K301.19K
Total

Net shares

+0.00

Net value

-$1.35M

Derivative Transactions2

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

62.59K

Exercisable

2/19/2026

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

44.40K

Exercisable

2/19/2026
Non-Derivative Holdings (Post-Transaction)2

Common Stock

Indirect
Shares owned233.92K

Common Stock

Indirect
Shares owned50.50K
Total
284.42K indirect284.42K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported