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Reporting owner

Sarissa Capital Management LP

Reporting owner CIK 0001577524 · 10% owner

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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.DENNER ALEXANDER JDENNER ALEXANDER JSarissa Capital Management LPSarissa Capital Managemen…DENNER ALEXANDER J · December 15, 2025 · Stock award · Class A Common StockSarissa Capital Management LP · December 15, 2025 · Stock award · Class A Common StockDec 15, 2025Dec 15, 2025
PurchaseStock awardGift receivedExercise / conversionConversionOther acquisition

1 dated transactions · 2 of 2 reporting owners shown. Select one owner to focus the chart.

View timeline as a table
Transaction dateCompany / securityReporting ownersAcquisition type
Dec 15, 2025IRONWOOD PHARMACEUTICALS INCClass A Common StockDENNER ALEXANDER J · Sarissa Capital Management LPStock award

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: IRONWOOD PHARMACEUTICALS INCIRWD · company listings
DENNER ALEXANDER JDirector · 10% owner
Sarissa Capital Management LP10% owner
Joint filing · amounts unallocated		Stock awardClass A Common StockNon-derivative security · Code A4,1780Value: 0Currency not specifiedView ↗