Senior insider sale
Chief Financial Officer at INSMED INC — senior position signals high conviction
$1.21M
10.68K shares
What this filing means
BONSTEIN SARA plans to sell 10.68K shares of INSMED INC valued at approximately $1.21M. 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.
Filed: 6/3/2026ACC: 0001628280-26-040442
Officer· Chief Financial Officer
Since Jan 2020
10.68K
Shares to sell
$1.21M
Approx. market value
2.40K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
Stock plan activity
n/a
6/1/2026
2.40KTotal acquired2.40K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
6/1/2026 | Stock plan activity n/a | 2.40K | — |
| Total | 2.40K | ||
Planned & Completed Dispositions2
Completed
—Completed
Units to sell
8.27K
Market value
$961.0K
5/13/2026
Planned — Approximate Date
NASDAQPlanned
Units to sell
2.40K
Market value
$245.9K
6/3/2026
Total
Units
10.68K
Value
$1.21M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
5/13/2026 | 8.27K | $961.0K | — | Completed |
| Planned — Approximate Date | ||||
6/3/2026 | 2.40K | $245.9K | NASDAQ | Planned |
| Total | 10.68K | $1.21M | ||