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Reporting owner

Lewis William

Reporting owner CIK 0001402051 · Chair and CEO · Director

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These transactions appear in filings associated with this reporting owner. Jointly reported quantities and amounts are unallocated; they are not this owner's individual purchases or total holdings. Names and roles reflect the relevant filing, and a reporting owner may be a person or an organization.

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Transaction timeline

Who reported an acquisition, and when the transaction occurred.

Reported acquisitions by transaction dateEach row is a reporting owner. Select a marker to open its transaction details. Jointly reported transactions appear for each associated reporting owner, without dividing quantities or amounts.Lewis WilliamLewis WilliamLewis William · December 18, 2025 · Exercise / conversion · Common StockLewis William · December 18, 2025 · Exercise / conversion · Common StockLewis William · December 4, 2025 · Exercise / conversion · Common StockLewis William · December 4, 2025 · Exercise / conversion · Common StockDec 4, 2025Dec 18, 2025
PurchaseStock awardGift receivedExercise / conversionConversionOther acquisition

4 dated transactions · 1 of 1 reporting owners shown. Select one owner to focus the chart.

View timeline as a table
Transaction dateCompany / securityReporting ownersAcquisition type
Dec 18, 2025INSMED IncCommon StockLewis WilliamExercise / conversion
Dec 18, 2025INSMED IncCommon StockLewis WilliamExercise / conversion
Dec 4, 2025INSMED IncCommon StockLewis WilliamExercise / conversion
Dec 4, 2025INSMED IncCommon StockLewis WilliamExercise / conversion

Only transactions on this page are shown. Date windows end on the latest transaction date in this sample. Joint filings may appear on more than one row. Sales are not included. Share-price charts use a separate data source.

Transactions in associated filings

Reported insider acquisitions, ordered by filing date, newest first. Currency is shown only when reported.
Filed / transactedCompanyReporting ownersType / securityQuantityPrice / reference valueDetails
Trade: INSMED IncINSM · company listings
Lewis WilliamChair and CEO · Director
Exercise / conversionCommon StockNon-derivative security · Code M6,25930.46Value: 190,649.14Currency not specifiedView ↗
Trade: INSMED IncINSM · company listings
Lewis WilliamChair and CEO · Director
Exercise / conversionCommon StockNon-derivative security · Code M4,44017.16Value: 76,190.4Currency not specifiedView ↗
Trade: INSMED IncINSM · company listings
Lewis WilliamChair and CEO · Director
Exercise / conversionCommon StockNon-derivative security · Code M4,44017.16Value: 76,190.4Currency not specifiedView ↗
Trade: INSMED IncINSM · company listings
Lewis WilliamChair and CEO · Director
Exercise / conversionCommon StockNon-derivative security · Code M6,25930.46Value: 190,649.14Currency not specifiedView ↗