Form 4 for INSM INSMED Inc
Accepted 2025-03-19 00:00:00 ET · period of report 2025-03-17 · accession 0001628280-25-013864 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2025-03-19 | 2025-03-17 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $22.76 | +18.8K | 352.9K | +6% | +$426.8K |
| DM | 2025-03-19 | 2025-03-17 | INSM | Lewis William | COB, CEO, Dir | S - Sale+OE | $77.03 | -18.8K | 334.2K | -5% | -$1.44M |
| DMI | 2025-03-19 | 2025-03-17 | INSM | Lewis William | COB, CEO, Dir | S - Sale+OE | $77.04 | -6,830 | 236.7K | -3% | -$526.2K |
| DI | 2025-03-19 | 2025-03-17 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $10.85 | +6,830 | 240.8K | +3% | +$74.1K |
| DI | 2025-03-19 | 2025-03-17 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $0.00 | -6,830 | 191.3K | -3% | $0 |
| D | 2025-03-19 | 2025-03-17 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $0.00 | -18.8K | 0 | -100% | $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 | 2025-03-17 | M | A | 18,750 | $22.76 | 352,936 | D By the Katie Procter Dynasty Trust | — | — | |
| 2 | Common | Common Stock | 2025-03-17 | S | D | 4,727 | $75.91 | 348,209 | D By the Katie Procter Dynasty Trust | — | — | (F2) This is the weighted average sales price representing 4,727 shares sold at prices ranging from $75.32 to $76.31 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 | 2025-03-17 | S | D | 5,907 | $76.87 | 342,302 | D By the Katie Procter Dynasty Trust | — | — | (F3) This is the weighted average sales price representing 5,907 shares sold at prices ranging from $76.32 to $77.31 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 | 2025-03-17 | S | D | 2,737 | $77.83 | 233,924 | I | — | — | (F7) This is the weighted average sales price representing 2,737 shares sold at prices ranging from $77.72 to $77.99 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 | 2025-03-17 | M | A | 6,830 | $10.85 | 240,754 | I | — | — | |
| 6 | Common | Common Stock | 2025-03-17 | S | D | 2,023 | $76.00 | 238,731 | I | — | — | (F5) This is the weighted average sales price representing 2,023 shares sold at prices ranging from $75.52 to $76.47 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. |
| 7 | Common | Common Stock | 2025-03-17 | S | D | 2,070 | $77.01 | 236,661 | I | — | — | (F6) This is the weighted average sales price representing 2,070 shares sold at prices ranging from $76.54 to $77.50 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. |
| 8 | Common | Common Stock | 2025-03-17 | S | D | 8,116 | $77.79 | 334,186 | D By the Katie Procter Dynasty Trust | — | — | (F4) This is the weighted average sales price representing 8,116 shares sold at prices ranging from $77.34 to $78.06 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. |
| 9 | Derivative | Stock Option (right to buy) | 2025-03-17 | M | D | 6,830 | $0.00 | 191,310 | I | $10.85 · — to 2026-05-19 | 6,830 Common Stock | (F8) 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. |
| 10 | Derivative | Stock Option (right to buy) | 2025-03-17 | M | D | 18,750 | $0.00 | 0 | D By the Katie Procter Dynasty Trust | $22.76 · — to 2025-05-21 | 18,750 Common Stock | (F8) 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. |