BONSTEIN SARA

PrivateCIK: 1604019
Location

BRUDGEWATER, NJ

Senior insider sale

Chief Financial Officer at INSMED INC — senior position signals high conviction

$23.38M

243.78K shares

What this filing means

BONSTEIN SARA plans to sell 243.78K shares of INSMED INC valued at approximately $23.38M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderBONSTEIN SARACIK 1604019
IssuerINSMED INCCIK 1104506
Officer· Chief Financial Officer
Since Jan 2020
243.78K
Shares to sell
$23.38M
Approx. market value
58.40K
Acquired (3 months)
1
Planned
6 completed
Securities Acquired — Last 3 Months7
Sort

Stock Plan Activity

n/a

7/21/2025
47.89K

Stock Plan Activity

n/a

6/1/2025
574.00

Stock Plan Activity

n/a

5/12/2025
535.00

Stock Plan Activity

n/a

5/11/2025
3.30K

Stock Plan Activity

n/a

1/7/2025
2.30K

Stock Plan Activity

n/a

1/6/2025
2.53K

Stock Plan Activity

n/a

1/4/2025
1.28K
Total acquired58.40K
Planned & Completed Dispositions7
Sort

Completed

Completed

Units to sell

57.76K

Market value

$5.54M

7/7/2025
Completed

Units to sell

57.77K

Market value

$5.88M

6/23/2025
Completed

Units to sell

57.77K

Market value

$5.15M

6/10/2025
Completed

Units to sell

1.58K

Market value

$112.9K

6/3/2025
Completed

Units to sell

1.63K

Market value

$107.2K

5/14/2025
Completed

Units to sell

8.87K

Market value

$601.5K

5/13/2025

Planned — Approximate Date

NASDAQPlanned

Units to sell

58.40K

Market value

$5.99M

7/21/2025
Total

Units

243.78K

Value

$23.38M

BONSTEIN SARA — Planned Insider Sale (Form 144) | Finecho