LEWIS WILLIAM

PrivateCIK: 1402051
Location

BRIDGEWATER, NJ

LEWIS WILLIAM (Chair and CEO) sold 7.6% of their position (21.40K shares) of INSMED INC on the open market

Open‑market sale worth $2.21M — a moderate reduction. 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
-21.40K
Net shares
Net seller
$2.21M
Total sold
5
Open market trades
0B · 5S
9
Total transactions
21.40K acquired · 42.80K disposed
Non-Derivative Transactions7

Common Stock

Direct
M · Option Exercise

Shares

+12.52K

Price / share

$30.46

Trade value

$381.30K

% of position

4.8%
6/25/2026
258.92K271.44K

Common Stock

Direct
M · Option Exercise

Shares

+8.88K

Price / share

$17.16

Trade value

$152.38K

% of position

3.3%
6/25/2026
271.44K280.31K

Common Stock

Direct
S · Sale

Shares

12.09K

Price / share

$102.34

Trade value

$1.24M

% of position

4.3%
6/25/2026
280.31K268.22K

Common Stock

Direct
S · Sale

Shares

1.84K

Price / share

$103.10

Trade value

$189.29K

% of position

0.7%
6/25/2026
268.22K266.39K

Common Stock

Direct
S · Sale

Shares

3.72K

Price / share

$104.28

Trade value

$388.23K

% of position

1.4%
6/25/2026
266.39K262.67K

Common Stock

Direct
S · Sale

Shares

2.46K

Price / share

$105.27

Trade value

$258.54K

% of position

0.9%
6/25/2026
262.67K260.21K

Common Stock

Direct
S · Sale

Shares

1.29K

Price / share

$106.27

Trade value

$137.30K

% of position

0.5%
6/25/2026
260.21K258.92K
Total

Net shares

+0.00

Net value

-$1.68M

Derivative Transactions2

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

12.52K shares

Shares

12.52K

Strike price

30.46

Held after

12.52K

Exercisable

6/25/2026

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

8.88K shares

Shares

8.88K

Strike price

17.16

Held after

8.88K

Exercisable

6/25/2026
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned233.92K
Total
233.92K indirect233.92K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
LEWIS WILLIAM — Insider Transaction (Form 4) Filed Jun 26, 2026 | Finecho