Form 4 for INSM INSMED Inc
Accepted 2025-05-22 00:00:00 ET · period of report 2025-05-20 · accession 0001628280-25-027339 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2025-05-22 | 2025-05-20 | INSM | Lewis William | COB, CEO, Dir | S - Sale+OE | $67.65 | -21.1K | 321.3K | -6% | -$1.42M |
| DMI | 2025-05-22 | 2025-05-20 | INSM | Lewis William | COB, CEO, Dir | S - Sale+OE | $67.72 | -6,830 | 235.6K | -3% | -$462.5K |
| DI | 2025-05-22 | 2025-05-20 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $10.85 | +6,830 | 240.8K | +3% | +$74.1K |
| DI | 2025-05-22 | 2025-05-20 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $0.00 | -6,830 | 164.0K | -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 | 2025-05-20 | S | D | 7,088 | $68.49 | 314,230 | D By the Katie Procter Dynasty Trust | — | — | (F4) This is the weighted average sales price representing 7,088 shares sold at prices ranging from $68.38 to $68.59 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. |
| 2 | Common | Common Stock | 2025-05-20 | S | D | 9,489 | $66.87 | 325,798 | D By the Katie Procter Dynasty Trust | — | — | (F2) This is the weighted average sales price representing 9,489 shares sold at prices ranging from $66.34 to $67.32 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 | 2025-05-20 | S | D | 4,480 | $67.96 | 321,318 | D By the Katie Procter Dynasty Trust | — | — | (F3) This is the weighted average sales price representing 4,480 shares sold at prices ranging from $67.38 to $68.37 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 | 2025-05-20 | S | D | 1,716 | $68.54 | 233,924 | I | — | — | (F7) This is the weighted average sales price representing 1,716 shares sold at prices ranging from $68.50 to $68.59 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 | 2025-05-20 | M | A | 6,830 | $10.85 | 240,754 | I By the Katie Procter Dynasty Trust | — | — | |
| 6 | Common | Common Stock | 2025-05-20 | S | D | 2,863 | $66.90 | 237,891 | I | — | — | (F5) This is the weighted average sales price representing 2,863 shares sold at prices ranging from $66.42 to $67.35 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 | 2025-05-20 | S | D | 2,251 | $68.13 | 235,640 | I | — | — | (F6) This is the weighted average sales price representing 2,251 shares sold at prices ranging from $67.49 to $68.47 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. |
| 8 | Derivative | Stock Option (right to buy) | 2025-05-20 | M | D | 6,830 | $0.00 | 163,990 | I By the Katie Procter Dynasty Trust | $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. |