BONSTEIN SARA

PrivateCIK: 1604019
Location

BRUDGEWATER, NJ

BONSTEIN SARA (Chief Financial Officer) sold 44.3% of their position (58.40K shares) of INSMED INC on the open market

Open‑market sale worth $6.00M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderBONSTEIN SARACIK 1604019
IssuerINSMED INCCIK 1104506
Officer· Chief Financial Officer
Since Jan 2020
-58.40K
Net shares
Net seller
$6.00M
Total sold
2
Open market trades
0B · 2S
10
Total transactions
47.89K acquired · 106.29K disposed
Non-Derivative Transactions6

Common Stock

Direct
M · Option Exercise

Shares

+3.44K

Price / share

$26.46

Trade value

$91.10K

% of position

4.1%
7/21/2025
84.02K87.46K

Common Stock

Direct
M · Option Exercise

Shares

+11.46K

Price / share

$28.88

Trade value

$330.82K

% of position

13.1%
7/21/2025
87.46K98.92K

Common Stock

Direct
M · Option Exercise

Shares

+15.89K

Price / share

$29.13

Trade value

$462.88K

% of position

16.1%
7/21/2025
98.92K114.81K

Common Stock

Direct
M · Option Exercise

Shares

+17.10K

Price / share

$34.03

Trade value

$581.91K

% of position

14.9%
7/21/2025
114.81K131.91K

Common Stock

Direct
S · Sale

Shares

32.09K

Price / share

$102.38

Trade value

$3.29M

% of position

24.3%
7/21/2025
131.91K99.81K

Common Stock

Direct
S · Sale

Shares

26.31K

Price / share

$103.03

Trade value

$2.71M

% of position

26.4%
7/21/2025
99.81K73.50K
Total

Net shares

10.51K

Net value

-$4.53M

Derivative Transactions4

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

3.44K shares

Shares

3.44K

Strike price

26.46

Held after

8.58K

Exercisable

7/21/2025

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

11.46K shares

Shares

11.46K

Strike price

28.88

Held after

0.00

Exercisable

7/21/2025

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

15.89K shares

Shares

15.89K

Strike price

29.13

Held after

47.67K

Exercisable

7/21/2025

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

17.10K shares

Shares

17.10K

Strike price

34.03

Held after

0.00

Exercisable

7/21/2025
BONSTEIN SARA — Insider Transaction (Form 4) Filed Jul 23, 2025 | Finecho