Lewis William's Form 4 filing
INSMED Inc (INSM) · filed Mar 20, 2026
- Accession no.
- 0001402051-26-000020
- Filed
- Mar 20, 2026
- Trade date
- Mar 19, 2026
- Filing delay
- 1 day
- Rule 10b5-1 plan
- Checked
This filing lists 5 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 |
|---|---|---|---|---|---|---|---|---|
| Mar 19, 2026 | Common Stock | MOption exerciseAcquired | +6,259 | $30.46 | +$190,649.14 | 307,444 | Direct | |
| Mar 19, 2026 | Common Stock | MOption exerciseAcquired | +4,440 | $17.16 | +$76,190.4 | 311,884 | Direct | |
| Mar 19, 2026 | Common Stock | SSaleDisposed | −1,629 | $142.17F2 | −$231,594.93 | 310,255 | Direct | |
| Mar 19, 2026 | Common Stock | SSaleDisposed | −4,537 | $143.42F3 | −$650,696.54 | 305,718 | Direct | |
| Mar 19, 2026 | Common Stock | SSaleDisposed | −4,533 | $144.11F4 | −$653,250.63 | 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 |
|---|---|---|---|---|---|---|---|---|
| Mar 19, 2026 | Common Stock | MOption exerciseDisposed | −6,259 | $0.00 | $0 | 50,073 | Direct | |
| Mar 19, 2026 | Common Stock | MOption exerciseDisposed | −4,440 | $0.00 | $0 | 35,520 | 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 1,629 shares sold at prices ranging from $141.80 to $142.74 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.
Referenced by the price of 1 transaction in Table I.
- F3
This is the weighted average sales price representing 4,537 shares sold at prices ranging from $142.80 to $143.77 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 4,533 shares sold at prices ranging from $143.80 to $144.72 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.