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Flammer Martina M.D.'s Form 4 filing

INSMED Inc (INSM) · filed May 13, 2026

Accession no.
0001796960-26-000012
Filed
May 13, 2026
Trade date
May 11, 2026
Filing delay
2 days
Rule 10b5-1 plan
Checked

This filing lists 3 non-derivative transactions and 1 derivative transaction. Open-market sales total $1.30M. 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
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
May 11, 2026Common StockMOption exerciseAcquired+12,949$17.07+$221,039.4396,192Direct
May 11, 2026Common StockSSaleDisposed−12,119$100.35F2−$1,216,141.6584,073Direct
May 11, 2026Common StockSSaleDisposed−830$101.18F3−$83,979.483,243Direct

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
May 11, 2026Common StockMOption exerciseDisposed−12,949$0.00$00Direct

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 12,119 shares sold at prices ranging from $100.00 to $100.96 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 830 shares sold at prices ranging from $101.11 to $101.36 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.

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