Senior insider sale
General Counsel, Senior VP at INSMED INC — senior position signals high conviction
$7.47M
48.21K shares
What this filing means
SMITH MICHAEL ALEXANDER plans to sell 48.21K shares of INSMED INC valued at approximately $7.47M. 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: 3/30/2026ACC: 0001628280-26-022033
Officer· General Counsel, Senior VP
Since Jul 2021
48.21K
Shares to sell
$7.47M
Approx. market value
19.64K
Acquired (3 months)
1
Planned
5 completed
Securities Acquired — Last 3 Months1
Stock Plan Activity
n/a
3/30/2026
19.64KTotal acquired19.64K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
3/30/2026 | Stock Plan Activity n/a | 19.64K | — |
| Total | 19.64K | ||
Planned & Completed Dispositions6
Completed
—Completed
Units to sell
24.77K
Market value
$3.86M
2/24/2026
—Completed
Units to sell
640.00
Market value
$100.0K
2/3/2026
—Completed
Units to sell
1.05K
Market value
$183.4K
1/8/2026
—Completed
Units to sell
709.00
Market value
$124.1K
1/7/2026
—Completed
Units to sell
1.40K
Market value
$242.0K
1/6/2026
Planned — Approximate Date
NASDAQPlanned
Units to sell
19.64K
Market value
$2.96M
3/30/2026
Total
Units
48.21K
Value
$7.47M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
2/24/2026 | 24.77K | $3.86M | — | Completed |
2/3/2026 | 640.00 | $100.0K | — | Completed |
1/8/2026 | 1.05K | $183.4K | — | Completed |
1/7/2026 | 709.00 | $124.1K | — | Completed |
1/6/2026 | 1.40K | $242.0K | — | Completed |
| Planned — Approximate Date | ||||
3/30/2026 | 19.64K | $2.96M | NASDAQ | Planned |
| Total | 48.21K | $7.47M | ||