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Reporting owner

Tregillis Cynthia L

Reporting owner CIK 0002057088 · Chief Legal Officer & Corp Sec

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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.Tregillis Cynthia LTregillis Cynthia LTregillis Cynthia L · December 18, 2025 · Stock award · Dividend Equivalent RightsTregillis Cynthia L · November 25, 2025 · Exercise / conversion · Common StockTregillis Cynthia L · November 21, 2025 · Exercise / conversion · Common StockTregillis Cynthia L · November 20, 2025 · Exercise / conversion · Common StockTregillis Cynthia L · October 20, 2025 · Exercise / conversion · Common StockOct 20, 2025Dec 18, 2025
PurchaseStock awardGift receivedExercise / conversionConversionOther acquisition

5 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, 2025WESTERN DIGITAL CORPDividend Equivalent RightsTregillis Cynthia LStock award
Nov 25, 2025WESTERN DIGITAL CORPCommon StockTregillis Cynthia LExercise / conversion
Nov 21, 2025WESTERN DIGITAL CORPCommon StockTregillis Cynthia LExercise / conversion
Nov 20, 2025WESTERN DIGITAL CORPCommon StockTregillis Cynthia LExercise / conversion
Oct 20, 2025WESTERN DIGITAL CORPCommon StockTregillis Cynthia LExercise / 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: WESTERN DIGITAL CORPWDC · company listings
Tregillis Cynthia LChief Legal Officer & Corp Sec
Stock awardDividend Equivalent RightsDerivative security · Code A82.4230Value: 0Currency not specifiedView ↗
Trade: WESTERN DIGITAL CORPWDC · company listings
Tregillis Cynthia LChief Legal Officer & Corp Sec
Exercise / conversionCommon StockNon-derivative security · Code M50Value: 0Currency not specifiedView ↗
Trade: WESTERN DIGITAL CORPWDC · company listings
Tregillis Cynthia LChief Legal Officer & Corp Sec
Exercise / conversionCommon StockNon-derivative security · Code M70Value: 0Currency not specifiedView ↗
Trade: WESTERN DIGITAL CORPWDC · company listings
Tregillis Cynthia LChief Legal Officer & Corp Sec
Exercise / conversionCommon StockNon-derivative security · Code M20Value: 0Currency not specifiedView ↗
Trade: WESTERN DIGITAL CORPWDC · company listings
Tregillis Cynthia LChief Legal Officer & Corp Sec
Exercise / conversionCommon StockNon-derivative security · Code M80Value: 0Currency not specifiedView ↗