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 $1.47M — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 6 sales
InsiderLEWIS WILLIAMCIK 1402051
IssuerINSMED INCCIK 1104506
DirectorOfficer· Chair and CEO
Since Mar 2026
-10.70K
Net shares
Net seller
$1.47M
Total sold
6
Open market trades
0B · 6S
10
Total transactions
10.70K acquired · 21.40K disposed
Non-Derivative Transactions8

Common Stock

Direct
M · Option Exercise

Shares

+6.26K

Price / share

$30.46

Trade value

$190.65K

% of position

2.1%
5/4/2026
301.19K307.44K

Common Stock

Direct
M · Option Exercise

Shares

+4.44K

Price / share

$17.16

Trade value

$76.19K

% of position

1.4%
5/4/2026
307.44K311.88K

Common Stock

Direct
S · Sale

Shares

433.00

Price / share

$134.18

Trade value

$58.10K

% of position

0.1%
5/4/2026
311.88K311.45K

Common Stock

Direct
S · Sale

Shares

599.00

Price / share

$135.18

Trade value

$80.97K

% of position

0.2%
5/4/2026
311.45K310.85K

Common Stock

Direct
S · Sale

Shares

5.32K

Price / share

$137.01

Trade value

$728.62K

% of position

1.7%
5/4/2026
310.85K305.53K

Common Stock

Direct
S · Sale

Shares

2.72K

Price / share

$137.86

Trade value

$375.12K

% of position

0.9%
5/4/2026
305.53K302.81K

Common Stock

Direct
S · Sale

Shares

1.25K

Price / share

$139.09

Trade value

$173.45K

% of position

0.4%
5/4/2026
302.81K301.57K

Common Stock

Direct
S · Sale

Shares

381.00

Price / share

$139.60

Trade value

$53.19K

% of position

0.1%
5/4/2026
301.57K301.19K
Total

Net shares

+0.00

Net value

-$1.20M

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

31.30K

Exercisable

5/4/2026

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

22.20K

Exercisable

5/4/2026
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 May 6, 2026 | Finecho