Senior insider sale
General Counsel, Senior VP at INSMED INC — senior position signals high conviction
$7.30M
48.52K shares
What this filing means
SMITH MICHAEL ALEXANDER plans to sell 48.52K shares of INSMED INC valued at approximately $7.30M. 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: 5/13/2026ACC: 0001628280-26-034692
Officer· General Counsel, Senior VP
Since Jul 2021
48.52K
Shares to sell
$7.30M
Approx. market value
4.11K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months1
Stock Plan Activity
n/a
5/11/2026
4.11KTotal acquired4.11K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
5/11/2026 | Stock Plan Activity n/a | 4.11K | — |
| Total | 4.11K | ||
Planned & Completed Dispositions3
Completed
—Completed
Units to sell
19.64K
Market value
$2.96M
3/30/2026
—Completed
Units to sell
24.77K
Market value
$3.86M
2/24/2026
Planned — Approximate Date
NASDAQPlanned
Units to sell
4.11K
Market value
$477.4K
5/13/2026
Total
Units
48.52K
Value
$7.30M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
3/30/2026 | 19.64K | $2.96M | — | Completed |
2/24/2026 | 24.77K | $3.86M | — | Completed |
| Planned — Approximate Date | ||||
5/13/2026 | 4.11K | $477.4K | NASDAQ | Planned |
| Total | 48.52K | $7.30M | ||