Lewis William's Form 4 filing
INSMED Inc (INSM) · filed Dec 19, 2025
- Accession no.
- 0001628280-25-058269
- Filed
- Dec 19, 2025
- Trade date
- Dec 18, 2025
- Filing delay
- 1 day
- Rule 10b5-1 plan
- Checked
This filing lists 12 non-derivative transactions and 2 derivative transactions. Open-market sales total $1.79M. It was filed 1 day after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Lewis WilliamCIK 0001402051 | Director, Officer (Chair and CEO) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Dec 18, 2025 | Common Stock | MOption exerciseAcquired | +4,440 | $17.16 | +$76,190.4 | 308,351 | Direct | |
| Dec 18, 2025 | Common Stock | MOption exerciseAcquired | +6,259 | $30.46 | +$190,649.14 | 314,610 | Direct | |
| Dec 18, 2025 | Common Stock | SSaleDisposed | −350 | $162.26 | −$56,791 | 314,260 | Direct | |
| Dec 18, 2025 | Common Stock | SSaleDisposed | −1,465 | $163.19 | −$239,073.35 | 312,795 | Direct | |
| Dec 18, 2025 | Common Stock | SSaleDisposed | −447 | $164.24 | −$73,415.28 | 312,348 | Direct | |
| Dec 18, 2025 | Common Stock | SSaleDisposed | −697 | $165.21 | −$115,151.37 | 311,651 | Direct | |
| Dec 18, 2025 | Common Stock | SSaleDisposed | −1,783 | $166.60 | −$297,047.8 | 309,868 | Direct | |
| Dec 18, 2025 | Common Stock | SSaleDisposed | −1,431 | $167.29 | −$239,391.99 | 308,437 | Direct | |
| Dec 18, 2025 | Common Stock | SSaleDisposed | −2,175 | $168.54 | −$366,574.5 | 306,262 | Direct | |
| Dec 18, 2025 | Common Stock | SSaleDisposed | −1,938 | $169.58 | −$328,646.04 | 304,324 | Direct | |
| Dec 18, 2025 | Common Stock | SSaleDisposed | −362 | $170.26 | −$61,634.12 | 303,962 | Direct | |
| Dec 18, 2025 | Common Stock | SSaleDisposed | −51 | $171.20 | −$8,731.2 | 303,911 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Dec 18, 2025 | Common Stock | MOption exerciseDisposed | −4,440 | $0.00 | $0 | 62,160 | Direct | |
| Dec 18, 2025 | Common Stock | MOption exerciseDisposed | −6,259 | $0.00 | $0 | 87,627 | Direct |
Footnotes
Livermore does not store Form 4 footnotes. For price ranges, how indirect holdings are held and trading plan details, read the original on SEC EDGAR.