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Lewis William's Form 4 filing

INSMED Inc (INSM) · filed Aug 20, 2025

Accession no.
0001402051-25-000007
Filed
Aug 20, 2025
Trade date
Aug 18, 2025
Filing delay
2 days
Rule 10b5-1 plan
Checked

This filing lists 4 non-derivative transactions and 1 derivative transaction. Open-market sales total $881.5K. 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.

Reporting owners on this filing
OwnerRelationship to the company
Lewis WilliamCIK 0001402051Director, 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.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Aug 18, 2025Common StockMOption exerciseAcquired+6,865$10.85+$74,485.25240,789Indirect
Aug 18, 2025Common StockSSaleDisposed−2,968$127.59F2−$378,687.12237,821Indirect
Aug 18, 2025Common StockSSaleDisposed−2,481$128.76F3−$319,453.56235,340Indirect
Aug 18, 2025Common StockSSaleDisposed−1,416$129.47F4−$183,329.52233,924Indirect

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.

Derivative transactions
Trade dateSecurityTransactionUnderlying sharesUnit priceValueHeld afterOwnershipFlags
Aug 18, 2025Common StockMOption exerciseDisposed−6,865$0.00$00Indirect

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 2,968 shares sold at prices ranging from $127.20 to $128.16 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 2,481 shares sold at prices ranging from $128.26 to $129.21 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 1,416 shares sold at prices ranging from $129.26 to $129.95 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.

Remarks

Exhibit List - Exhibit 24 - Power of Attorney

Read the full filing on SEC EDGAR (opens in a new tab)