Senior insider sale
Chair and CEO at INSMED INC — senior position signals high conviction
$14.68M
88.09K shares
LEWIS WILLIAM plans to sell 88.09K shares of INSMED INC valued at approximately $14.68M. 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.
Stock Plan Activity
n/a
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
2/19/2026 | Stock Plan Activity n/a | 10.70K | — |
| Total | 10.70K | ||
Completed
Units to sell
13.40K
Market value
$1.98M
Units to sell
3.01K
Market value
$470.4K
Units to sell
10.70K
Market value
$1.70M
Units to sell
19.21K
Market value
$3.25M
Units to sell
3.22K
Market value
$561.3K
Units to sell
2.36K
Market value
$412.6K
Units to sell
4.10K
Market value
$710.0K
Units to sell
10.70K
Market value
$1.79M
Units to sell
10.70K
Market value
$2.20M
Planned — Approximate Date
Units to sell
10.70K
Market value
$1.62M
Units
88.09K
Value
$14.68M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
2/9/2026 | 13.40K | $1.98M | — | Completed |
2/3/2026 | 3.01K | $470.4K | — | Completed |
1/20/2026 | 10.70K | $1.70M | — | Completed |
1/12/2026 | 19.21K | $3.25M | — | Completed |
1/8/2026 | 3.22K | $561.3K | — | Completed |
1/7/2026 | 2.36K | $412.6K | — | Completed |
1/6/2026 | 4.10K | $710.0K | — | Completed |
12/18/2025 | 10.70K | $1.79M | — | Completed |
12/4/2025 | 10.70K | $2.20M | — | Completed |
| Planned — Approximate Date | ||||
2/19/2026 | 10.70K | $1.62M | NASDAQ | Planned |
| Total | 88.09K | $14.68M | ||