Form 4 for INSM INSMED Inc
Accepted 2025-03-05 00:00:00 ET · period of report 2025-03-03 · accession 0001628280-25-010590 · 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 | 2025-03-05 | 2025-03-03 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $22.76 | +18.8K | 352.9K | +6% | +$426.8K |
| DM | 2025-03-05 | 2025-03-03 | INSM | Lewis William | COB, CEO, Dir | S - Sale+OE | $77.79 | -18.8K | 334.2K | -5% | -$1.46M |
| DMI | 2025-03-05 | 2025-03-03 | INSM | Lewis William | COB, CEO, Dir | S - Sale+OE | $77.79 | -6,830 | 234.0K | -3% | -$531.3K |
| DI | 2025-03-05 | 2025-03-03 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $10.85 | +6,830 | 240.8K | +3% | +$74.1K |
| D | 2025-03-05 | 2025-03-03 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $0.00 | -18.8K | 18.8K | -50% | $0 |
| DI | 2025-03-05 | 2025-03-03 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $0.00 | -6,830 | 198.1K | -3% | $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 | 2025-03-03 | M | A | 18,750 | $22.76 | 352,936 | D By the Katie Procter Dynasty Trust | — | — | |
| 2 | Common | Common Stock | 2025-03-03 | S | D | 7,317 | $76.24 | 345,619 | D By the Katie Procter Dynasty Trust | — | — | (F2) This is the weighted average sales price representing 7,317 shares sold at prices ranging from $75.91 to $76.90 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 | 2025-03-03 | S | D | 758 | $77.75 | 344,861 | D By the Katie Procter Dynasty Trust | — | — | (F3) This is the weighted average sales price representing 758 shares sold at prices ranging from $77.13 to $78.12 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 | 2025-03-03 | S | D | 7,763 | $78.61 | 337,098 | D By the Katie Procter Dynasty Trust | — | — | (F4) This is the weighted average sales price representing 7,763 shares sold at prices ranging from $78.13 to $79.11 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 | 2025-03-03 | S | D | 2,785 | $79.43 | 334,313 | D By the Katie Procter Dynasty Trust | — | — | (F5) This is the weighted average sales price representing 2,785 shares sold at prices ranging from $79.14 to $79.91 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. |
| 6 | Common | Common Stock | 2025-03-03 | S | D | 46 | $80.90 | 233,924 | I | — | — | |
| 7 | Common | Common Stock | 2025-03-03 | M | A | 6,830 | $10.85 | 240,754 | I | — | — | |
| 8 | Common | Common Stock | 2025-03-03 | S | D | 2,671 | $76.23 | 238,083 | I | — | — | (F6) This is the weighted average sales price representing 2,671 shares sold at prices ranging from $75.93 to $76.77 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 | Common | Common Stock | 2025-03-03 | S | D | 1,486 | $78.20 | 236,597 | I | — | — | (F7) This is the weighted average sales price representing 1,486 shares sold at prices ranging from $77.48 to $78.46 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. |
| 10 | Common | Common Stock | 2025-03-03 | S | D | 2,250 | $78.97 | 234,347 | I | — | — | (F8) This is the weighted average sales price representing 2,250 shares sold at prices ranging from $78.49 to $79.42 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. |
| 11 | Common | Common Stock | 2025-03-03 | S | D | 377 | $79.73 | 233,970 | I | — | — | (F9) This is the weighted average sales price representing 377 shares sold at prices ranging from $79.53 to $79.90 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. |
| 12 | Common | Common Stock | 2025-03-03 | S | D | 127 | $80.90 | 334,186 | D By the Katie Procter Dynasty Trust | — | — | |
| 13 | Derivative | Stock Option (right to buy) | 2025-03-03 | M | D | 18,750 | $0.00 | 18,750 | D By the Katie Procter Dynasty Trust | $22.76 · — to 2025-05-21 | 18,750 Common Stock | (F10) 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. |
| 14 | Derivative | Stock Option (right to buy) | 2025-03-03 | M | D | 6,830 | $0.00 | 198,140 | I | $10.85 · — to 2026-05-19 | 6,830 Common Stock | (F10) 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. |