Lewis William's Form 4 filing
INSMED Inc (INSM) · filed Jan 22, 2026
- Accession no.
- 0001402051-26-000009
- Filed
- Jan 22, 2026
- Trade date
- Jan 20, 2026
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Checked
This filing lists 7 non-derivative transactions and 2 derivative transactions. Open-market sales total $1.70M. It was filed 2 days 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 |
|---|---|---|---|---|---|---|---|---|
| Jan 20, 2026 | Common Stock | MOption exerciseAcquired | +6,259 | $30.46 | +$190,649.14 | 313,150 | Direct | |
| Jan 20, 2026 | Common Stock | MOption exerciseAcquired | +4,440 | $17.16 | +$76,190.4 | 317,590 | Direct | |
| Jan 20, 2026 | Common Stock | SSaleDisposed | −1,006 | $156.80F2 | −$157,740.8 | 316,584 | Direct | |
| Jan 20, 2026 | Common Stock | SSaleDisposed | −1,243 | $158.37F3 | −$196,853.91 | 315,341 | Direct | |
| Jan 20, 2026 | Common Stock | SSaleDisposed | −5,967 | $158.99F4 | −$948,693.33 | 309,374 | Direct | |
| Jan 20, 2026 | Common Stock | SSaleDisposed | −2,229 | $159.85F5 | −$356,305.65 | 307,145 | Direct | |
| Jan 20, 2026 | Common Stock | SSaleDisposed | −254 | $160.70F6 | −$40,817.8 | 306,891 | 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 |
|---|---|---|---|---|---|---|---|---|
| Jan 20, 2026 | Common Stock | MOption exerciseDisposed | −6,259 | $0.00 | $0 | 75,109 | Direct | |
| Jan 20, 2026 | Common Stock | MOption exerciseDisposed | −4,440 | $0.00 | $0 | 53,280 | 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 1,006 shares sold at prices ranging from $156.53 to $157.50 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 1,243 shares sold at prices ranging from $157.54 to $158.53 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.
Referenced by the price of 1 transaction in Table I.
- F4
This is the weighted average sales price representing 5,967 shares sold at prices ranging from $158.55 to $159.52 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 2,229 shares sold at prices ranging from $159.55 to $160.32 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.
- F6
This is the weighted average sales price representing 254 shares sold at prices ranging from $160.58 to $160.76 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.