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Flammer Martina M.D.'s Form 4 filing

INSMED Inc (INSM) · filed Aug 7, 2026

Accession no.
0001796960-26-000020
Filed
Aug 7, 2026, 4:39 PM ET
Trade date
Aug 6, 2026
Filing delay
1 day
Rule 10b5-1 plan
Checked

This filing lists 4 non-derivative transactions and 2 derivative transactions. Open-market sales total $3.49M. 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.

Reporting owners on this filing
OwnerRelationship to the company
Flammer Martina M.D.CIK 0001796960Officer (Chief Medical Officer)

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 6, 2026Common StockMOption exerciseAcquired+18,278$18.95+$346,368.178,764Direct
Aug 6, 2026Common StockMOption exerciseAcquired+8,895$25.83+$229,757.8587,659Direct
Aug 6, 2026Common StockSSaleDisposed−8,895$127.00−$1,129,66578,764Direct
Aug 6, 2026Common StockSSaleDisposed−18,278$129.40F2−$2,365,173.260,486Direct

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 6, 2026Common StockMOption exerciseDisposed−18,278$0.00$036,555Direct
Aug 6, 2026Common StockMOption exerciseDisposed−8,895$0.00$035,580Direct

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 18,278 shares sold at prices ranging from $129.40 to $129.41 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.

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