LEWIS WILLIAM

PrivateCIK: 1402051
Location

BRIDGEWATER, NJ

LEWIS WILLIAM (Chair and CEO) sold 4.0% of their position (10.70K shares) of INSMED INC on the open market

Open‑market sale worth $1.13M — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderLEWIS WILLIAMCIK 1402051
IssuerINSMED INCCIK 1104506
DirectorOfficer· Chair and CEO
Since Mar 2026
-10.70K
Net shares
Net seller
$1.13M
Total sold
2
Open market trades
0B · 2S
6
Total transactions
10.70K acquired · 21.40K disposed
Non-Derivative Transactions4

Common Stock

Direct
M · Option Exercise

Shares

+6.26K

Price / share

$30.46

Trade value

$190.68K

% of position

2.4%
7/23/2026
259.06K265.32K

Common Stock

Direct
M · Option Exercise

Shares

+4.44K

Price / share

$17.16

Trade value

$76.19K

% of position

1.7%
7/23/2026
265.32K269.76K

Common Stock

Direct
S · Sale

Shares

4.83K

Price / share

$105.62

Trade value

$509.93K

% of position

1.8%
7/23/2026
269.76K264.93K

Common Stock

Direct
S · Sale

Shares

5.87K

Price / share

$106.43

Trade value

$624.96K

% of position

2.2%
7/23/2026
264.93K259.06K
Total

Net shares

+0.00

Net value

-$868.02K

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

0.00

Exercisable

7/23/2026

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

0.00

Exercisable

7/23/2026
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