BONSTEIN SARA

PrivateCIK: 1604019
Location

BRUDGEWATER, NJ

BONSTEIN SARA (Chief Financial Officer) sold 35.8% of their position (57.77K shares) of INSMED INC on the open market

Open‑market sale worth $5.15M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 6 sales
InsiderBONSTEIN SARACIK 1604019
IssuerINSMED INCCIK 1104506
Officer· Chief Financial Officer
Since Jan 2020
-57.77K
Net shares
Net seller
$5.15M
Total sold
6
Open market trades
0B · 6S
10
Total transactions
47.89K acquired · 105.66K disposed
Non-Derivative Transactions8

Common Stock

Direct
M · Option Exercise

Shares

+24.15K

Price / share

$18.95

Trade value

$457.64K

% of position

21.3%
6/10/2025
113.29K137.44K

Common Stock

Direct
M · Option Exercise

Shares

+23.74K

Price / share

$17.07

Trade value

$405.24K

% of position

17.3%
6/10/2025
137.44K161.18K

Common Stock

Direct
S · Sale

Shares

7.28K

Price / share

$87.12

Trade value

$633.97K

% of position

4.5%
6/10/2025
161.18K153.90K

Common Stock

Direct
S · Sale

Shares

7.31K

Price / share

$88.29

Trade value

$645.40K

% of position

4.7%
6/10/2025
153.90K146.59K

Common Stock

Direct
S · Sale

Shares

20.93K

Price / share

$88.99

Trade value

$1.86M

% of position

14.3%
6/10/2025
146.59K125.67K

Common Stock

Direct
S · Sale

Shares

15.82K

Price / share

$89.85

Trade value

$1.42M

% of position

12.6%
6/10/2025
125.67K109.84K

Common Stock

Direct
S · Sale

Shares

6.33K

Price / share

$90.93

Trade value

$575.41K

% of position

5.8%
6/10/2025
109.84K103.51K

Common Stock

Direct
S · Sale

Shares

100.00

Price / share

$91.66

Trade value

$9.17K

% of position

0.1%
6/10/2025
103.51K103.41K
Total

Net shares

9.88K

Net value

-$4.29M

Derivative Transactions2

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

24.15K shares

Shares

24.15K

Strike price

18.95

Held after

134.26K

Exercisable

6/10/2025

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

23.74K shares

Shares

23.74K

Strike price

17.07

Held after

35.61K

Exercisable

6/10/2025
BONSTEIN SARA — Insider Transaction (Form 4) Filed Jun 12, 2025 | Finecho