Form 4 for INSM INSMED Inc
Accepted 2026-02-04 00:00:00 ET · period of report 2026-02-02 · accession 0001796960-26-000008 · 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 | 2026-02-04 | 2026-02-02+ | INSM | Flammer Martina M.D. | Chief Medical Off | S - Sale+OE | $154.70 | -8,777 | 92.3K | -9% | -$1.36M |
| D | 2026-02-04 | 2026-02-02 | INSM | Flammer Martina M.D. | Chief Medical Off | M - OptEx | $65.72 | +7,982 | 92.9K | +9% | +$524.6K |
| D | 2026-02-04 | 2026-02-02 | INSM | Flammer Martina M.D. | Chief Medical Off | M - OptEx | $0.00 | -7,982 | 23.9K | -25% | $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 | 2026-02-03 | S | D | 795 | $155.77 | 84,112 | D | — | — | |
| 2 | Common | Common Stock | 2026-02-02 | S | D | 100 | $156.86 | 84,907 | D | — | — | |
| 3 | Common | Common Stock | 2026-02-02 | S | D | 3,042 | $155.46 | 85,007 | D | — | — | (F5) This is the weighted average sales price representing 3,042 shares sold at prices ranging from $155.10 to $155.96 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 | 2026-02-02 | S | D | 3,349 | $154.56 | 88,049 | D | — | — | (F4) This is the weighted average sales price representing 3,349 shares sold at prices ranging from $154.10 to $155.09 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 | 2026-02-02 | S | D | 928 | $153.16 | 91,398 | D | — | — | (F3) This is the weighted average sales price representing 928 shares sold at prices ranging from $152.77 to $153.31 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. |
| 6 | Common | Common Stock | 2026-02-02 | S | D | 563 | $152.06 | 92,326 | D | — | — | (F2) This is the weighted average sales price representing 563 shares sold at prices ranging from $151.76 to $152.74 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 | 2026-02-02 | M | A | 7,982 | $65.72 | 92,889 | D | — | — | |
| 8 | Derivative | Stock Option (right to buy) | 2026-02-02 | M | D | 7,982 | $0.00 | 23,948 | D | $65.72 · — to 2035-01-08 | 7,982 Common Stock | (F7) These stock options were granted under the Company's Amended and Restated 2019 Incentive Plan, as amended. The options become exercisable based on the following vesting schedule: 25% vest on the first day of the first month following the first anniversary of the date of grant and an additional 12.5% vest every six months thereafter until fully vested. |