Smith Michael Alexander's Form 4 filing
INSMED Inc (INSM) · filed Feb 25, 2026
- Accession no.
- 0001870278-26-000008
- Filed
- Feb 25, 2026
- Trade date
- Feb 24, 2026
- Filing delay
- 1 day
- Rule 10b5-1 plan
- Checked
This filing lists 4 non-derivative transactions and 1 derivative transaction. Open-market sales total $3.86M. 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 |
|---|---|
| Smith Michael AlexanderCIK 0001870278 | Officer (Chief Legal Officer) |
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 |
|---|---|---|---|---|---|---|---|---|
| Feb 24, 2026 | Common Stock | MOption exerciseAcquired | +20,248 | $17.07 | +$345,633.36 | 76,645 | Direct | |
| Feb 24, 2026 | Common Stock | SSaleDisposed | −4,852 | $153.93F2 | −$746,868.36 | 71,793 | Direct | |
| Feb 24, 2026 | Common Stock | SSaleDisposed | −4,151 | $155.06F3 | −$643,654.06 | 67,642 | Direct | |
| Feb 24, 2026 | Common Stock | SSaleDisposed | −15,771 | $156.53F4 | −$2,468,634.63 | 51,871 | 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 |
|---|---|---|---|---|---|---|---|---|
| Feb 24, 2026 | Common Stock | MOption exerciseDisposed | −20,248 | $0.00 | $0 | 14,282 | 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 4,852 shares sold at prices ranging from $153.47 to $154.46 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 4,151 shares sold at prices ranging from $154.47 to $155.45 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 15,771 shares sold at prices ranging from $156.00 to $156.86 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.