Form 4 for INSM INSMED Inc
Accepted 2025-06-04 00:00:00 ET · period of report 2025-06-02 · accession 0001628280-25-029368 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DI | 2025-06-04 | 2025-06-02 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $10.85 | +6,830 | 240.8K | +3% | +$74.1K |
| DMI | 2025-06-04 | 2025-06-02 | INSM | Lewis William | COB, CEO, Dir | S - Sale+OE | $71.31 | -6,830 | 233.9K | -3% | -$487.0K |
| D | 2025-06-04 | 2025-06-03 | INSM | Lewis William | COB, CEO, Dir | S - Sale+OE | $71.50 | -5,472 | 308.8K | -2% | -$391.2K |
| DI | 2025-06-04 | 2025-06-02 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $0.00 | -6,830 | 157.2K | -4% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-06-02 | M | A | 6,830 | $10.85 | 240,754 | I By the Katie Procter Dynasty Trust | — | — | |
| 2 | Common | Common Stock | 2025-06-02 | S | D | 1,000 | $70.23 | 239,754 | I By the Katie Procter Dynasty Trust | — | — | (F2) This is the weighted average sales price representing 1,000 shares sold at prices ranging from $69.59 to $70.57 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request. |
| 3 | Common | Common Stock | 2025-06-02 | S | D | 4,400 | $71.35 | 235,354 | I By the Katie Procter Dynasty Trust | — | — | (F3) This is the weighted average sales price representing 4,400 shares sold at prices ranging from $70.67 to $71.66 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request. |
| 4 | Common | Common Stock | 2025-06-02 | S | D | 1,430 | $71.94 | 233,924 | I By the Katie Procter Dynasty Trust | — | — | (F4) This is the weighted average sales price representing 1,430 shares sold at prices ranging from $71.67 to $72.24 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request. |
| 5 | Common | Common Stock | 2025-06-03 | S | D | 5,472 | $71.50 | 308,758 | D | — | — | |
| 6 | Derivative | Stock Option (right to buy) | 2025-06-02 | M | D | 6,830 | $0.00 | 157,160 | I By the Katie Procter Dynasty Trust | $10.85 · — to 2026-05-19 | 6,830 Common Stock | (F6) The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant. All options are currently exercisable. |