Form 4 for INSM INSMED Inc
Accepted 2025-06-12 00:00:00 ET · period of report 2025-06-10 · accession 0001628280-25-030961 · 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 | 2025-06-12 | 2025-06-10 | INSM | Bonstein Sara | CFO | S - Sale+OE | $89.12 | -57.8K | 125.7K | -31% | -$5.15M |
| DM | 2025-06-12 | 2025-06-10 | INSM | Bonstein Sara | CFO | M - OptEx | $18.02 | +47.9K | 161.2K | +42% | +$862.9K |
| DM | 2025-06-12 | 2025-06-10 | INSM | Bonstein Sara | CFO | M - OptEx | $0.00 | -47.9K | 134.3K | -26% | $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 | 2025-06-10 | S | D | 100 | $91.66 | 103,412 | D | — | — | |
| 2 | Common | Common Stock | 2025-06-10 | M | A | 24,150 | $18.95 | 137,438 | D | — | — | |
| 3 | Common | Common Stock | 2025-06-10 | S | D | 7,277 | $87.12 | 153,901 | D | — | — | (F2) This is the weighted average sales price representing 7,277 shares sold at prices ranging from $86.43 to $87.39 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 | 2025-06-10 | S | D | 7,310 | $88.29 | 146,591 | D | — | — | (F3) This is the weighted average sales price representing 7,310 shares sold at prices ranging from $87.54 to $88.53 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 | 2025-06-10 | S | D | 6,328 | $90.93 | 103,512 | D | — | — | (F6) This is the weighted average sales price representing 6,328 shares sold at prices ranging from $90.55 to $91.44 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 | 2025-06-10 | S | D | 15,825 | $89.85 | 109,840 | D | — | — | (F5) This is the weighted average sales price representing 15,825 shares sold at prices ranging from $89.54 to $90.53 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 | 2025-06-10 | S | D | 20,926 | $88.99 | 125,665 | D | — | — | (F4) This is the weighted average sales price representing 20,926 shares sold at prices ranging from $88.54 to $89.53 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 | 2025-06-10 | M | A | 23,740 | $17.07 | 161,178 | D | — | — | |
| 9 | Derivative | Stock Option (right to buy) | 2025-06-10 | M | D | 23,740 | $0.00 | 35,610 | D | $17.07 · — to 2032-05-11 | 23,740 Common Stock | (F7) 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. |
| 10 | Derivative | Stock Option (right to buy) | 2025-06-10 | M | D | 24,150 | $0.00 | 134,260 | D | $18.95 · — to 2033-05-11 | 24,150 Common Stock | (F7) 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. |