Form 4 for INSM INSMED Inc
Accepted 2025-11-13 00:00:00 ET · period of report 2025-11-11 · accession 0001796960-25-000006 · 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 | 2025-11-13 | 2025-11-11 | INSM | Flammer Martina M.D. | Chief Medical Off | S - Sale+OE | $189.68 | -31.2K | 86.0K | -27% | -$5.92M |
| DM | 2025-11-13 | 2025-11-11 | INSM | Flammer Martina M.D. | Chief Medical Off | M - OptEx | $18.17 | +31.2K | 96.1K | +48% | +$567.4K |
| DM | 2025-11-13 | 2025-11-11 | INSM | Flammer Martina M.D. | Chief Medical Off | M - OptEx | $0.00 | -31.2K | 54.8K | -36% | $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 | 2025-11-11 | S | D | 2,913 | $191.04 | 83,111 | D | — | — | (F5) This is the weighted average sales price representing 2,913 shares sold at prices ranging from $190.94 to $191.14 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 | 2025-11-11 | S | D | 12,224 | $189.36 | 96,646 | D | — | — | (F3) This is the weighted average sales price representing 12,224 shares sold at prices ranging from $188.90 to $189.88 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 | 2025-11-11 | S | D | 5,467 | $188.38 | 108,870 | D | — | — | (F2) This is the weighted average sales price representing 5,467 shares sold at prices ranging from $187.93 to $188.90 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. |
| 4 | Common | Common Stock | 2025-11-11 | M | A | 18,277 | $18.95 | 114,337 | D | — | — | |
| 5 | Common | Common Stock | 2025-11-11 | M | A | 12,949 | $17.07 | 96,060 | D | — | — | |
| 6 | Common | Common Stock | 2025-11-11 | S | D | 10,622 | $190.33 | 86,024 | D | — | — | (F4) This is the weighted average sales price representing 10,622 shares sold at prices ranging from $189.92 to $190.90 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. |
| 7 | Derivative | Stock Option (right to buy) | 2025-11-11 | M | D | 12,949 | $0.00 | 12,949 | D | $17.07 · — to 2032-05-11 | 12,949 Common Stock | (F6) The options become exercisable based on the following vesting schedule: 25% vest on the first anniversary of the grant date and an additional 12.5% vest on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant. |
| 8 | Derivative | Stock Option (right to buy) | 2025-11-11 | M | D | 18,277 | $0.00 | 54,833 | D | $18.95 · — to 2033-05-11 | 18,277 Common Stock | (F6) The options become exercisable based on the following vesting schedule: 25% vest on the first anniversary of the grant date and an additional 12.5% vest on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant. |