Senior insider sale
Chief Financial Officer at INSMED INC — senior position signals high conviction
$808.7K
4.64K shares
What this filing means
BONSTEIN SARA plans to sell 4.64K shares of INSMED INC valued at approximately $808.7K. 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: 1/8/2026ACC: 0001628280-26-001408
Officer· Chief Financial Officer
Since Jan 2020
4.64K
Shares to sell
$808.7K
Approx. market value
1.45K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months1
Stock Plan Activity
n/a
1/6/2026
1.45KTotal acquired1.45K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
1/6/2026 | Stock Plan Activity n/a | 1.45K | — |
| Total | 1.45K | ||
Planned & Completed Dispositions3
Completed
—Completed
Units to sell
1.68K
Market value
$293.8K
1/7/2026
—Completed
Units to sell
1.52K
Market value
$262.9K
1/6/2026
Planned — Approximate Date
NASDAQPlanned
Units to sell
1.45K
Market value
$252.0K
1/8/2026
Total
Units
4.64K
Value
$808.7K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
1/7/2026 | 1.68K | $293.8K | — | Completed |
1/6/2026 | 1.52K | $262.9K | — | Completed |
| Planned — Approximate Date | ||||
1/8/2026 | 1.45K | $252.0K | NASDAQ | Planned |
| Total | 4.64K | $808.7K | ||