Lewis William's Form 4 filing
INSMED Inc (INSM) · filed May 20, 2026
- Accession no.
- 0001402051-26-000030
- Filed
- May 20, 2026
- Trade date
- May 18, 2026
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Checked
This filing lists 5 non-derivative transactions and 2 derivative transactions. Open-market sales total $2.72M. 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 |
|---|---|---|---|---|---|---|---|---|
| May 18, 2026 | Common Stock | MOption exerciseAcquired | +6,259 | $30.46 | +$190,649.14 | 294,161 | Direct | |
| May 18, 2026 | Common Stock | MOption exerciseAcquired | +4,440 | $17.16 | +$76,190.4 | 298,601 | Direct | |
| May 18, 2026 | Common Stock | SSaleDisposed | −5,753 | $105.32F2 | −$605,905.96 | 292,848 | Direct | |
| May 18, 2026 | Common Stock | SSaleDisposed | −11,836 | $106.39F3 | −$1,259,232.04 | 281,012 | Direct | |
| May 18, 2026 | Common Stock | SSaleDisposed | −7,975 | $106.97F4 | −$853,085.75 | 273,037 | 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 |
|---|---|---|---|---|---|---|---|---|
| May 18, 2026 | Common Stock | MOption exerciseDisposed | −6,259 | $0.00 | $0 | 25,037 | Direct | |
| May 18, 2026 | Common Stock | MOption exerciseDisposed | −4,440 | $0.00 | $0 | 17,760 | 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 5,753 shares sold at prices ranging from $104.73 to $105.71 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 11,836 shares sold at prices ranging from $105.73 to $106.72 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.
- F4
This is the weighted average sales price representing 7,975 shares sold at prices ranging from $106.73 to $107.36 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.