Senior insider sale
Chief Financial Officer at INSMED INC — senior position signals high conviction
$556.9K
3.19K shares
What this filing means
BONSTEIN SARA plans to sell 3.19K shares of INSMED INC valued at approximately $556.9K. 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: 1/7/2026ACC: 0001628280-26-001195
Officer· Chief Financial Officer
Since Jan 2020
3.19K
Shares to sell
$556.9K
Approx. market value
1.68K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
Stock Plan Activity
n/a
1/5/2026
1.68KTotal acquired1.68K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
1/5/2026 | Stock Plan Activity n/a | 1.68K | — |
| Total | 1.68K | ||
Planned & Completed Dispositions2
Completed
—Completed
Units to sell
1.52K
Market value
$262.9K
1/6/2026
Planned — Approximate Date
NASDAQPlanned
Units to sell
1.68K
Market value
$293.9K
1/7/2026
Total
Units
3.19K
Value
$556.9K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
1/6/2026 | 1.52K | $262.9K | — | Completed |
| Planned — Approximate Date | ||||
1/7/2026 | 1.68K | $293.9K | NASDAQ | Planned |
| Total | 3.19K | $556.9K | ||