Lewis William's Form 4 filing
INSMED Inc (INSM) · filed Apr 17, 2026
- Accession no.
- 0001402051-26-000024
- Filed
- Apr 17, 2026
- Trade date
- Apr 16, 2026
- Filing delay
- 1 day
- Rule 10b5-1 plan
- Checked
This filing lists 6 non-derivative transactions and 2 derivative transactions. Open-market sales total $1.54M. 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 |
|---|---|---|---|---|---|---|---|---|
| Apr 16, 2026 | Common Stock | MOption exerciseAcquired | +6,259 | $30.46 | +$190,649.14 | 307,444 | Direct | |
| Apr 16, 2026 | Common Stock | MOption exerciseAcquired | +4,440 | $17.16 | +$76,190.4 | 311,884 | Direct | |
| Apr 16, 2026 | Common Stock | SSaleDisposed | −2,246 | $142.99F2 | −$321,155.54 | 309,638 | Direct | |
| Apr 16, 2026 | Common Stock | SSaleDisposed | −5,373 | $143.81F3 | −$772,691.13 | 304,265 | Direct | |
| Apr 16, 2026 | Common Stock | SSaleDisposed | −2,255 | $144.66F4 | −$326,208.3 | 302,010 | Direct | |
| Apr 16, 2026 | Common Stock | SSaleDisposed | −825 | $145.79F5 | −$120,276.75 | 301,185 | 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 |
|---|---|---|---|---|---|---|---|---|
| Apr 16, 2026 | Common Stock | MOption exerciseDisposed | −6,259 | $0.00 | $0 | 37,555 | Direct | |
| Apr 16, 2026 | Common Stock | MOption exerciseDisposed | −4,440 | $0.00 | $0 | 26,640 | Direct |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
- F2
This is the weighted average sales price representing 2,246 shares sold at prices ranging from $142.39 to $143.38 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.
Referenced by the price of 1 transaction in Table I.
- F3
This is the weighted average sales price representing 5,373 shares sold at prices ranging from $143.39 to $144.32 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.
Referenced by the price of 1 transaction in Table I.
- F4
This is the weighted average sales price representing 2,255 shares sold at prices ranging from $144.40 to $145.20 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.
Referenced by the price of 1 transaction in Table I.
- F5
This is the weighted average sales price representing 825 shares sold at prices ranging from $145.53 to $146.02 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.
Referenced by the price of 1 transaction in Table I.