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Cole Martin I's Form 4 filing

Western Digital Corp (WDC) · filed Dec 3, 2025

Accession no.
0001266824-25-000260
Filed
Dec 3, 2025
Trade date
Dec 1, 2025
Filing delay
2 days
Rule 10b5-1 plan
Checked

This filing lists 8 non-derivative transactions. Open-market sales total $975.7K. 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
Cole Martin ICIK 0001302874Director

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
Dec 1, 2025Common StockSSaleDisposed−100$157.50−$15,75041,333Direct
Dec 1, 2025Common StockSSaleDisposed−500$158.98F2−$79,49040,833Direct
Dec 1, 2025Common StockSSaleDisposed−600$159.89F3−$95,93440,233Direct
Dec 1, 2025Common StockSSaleDisposed−900$161.17F4−$145,05339,333Direct
Dec 1, 2025Common StockSSaleDisposed−400$162.12F5−$64,84838,933Direct
Dec 1, 2025Common StockSSaleDisposed−451$163.16F6−$73,585.1638,482Direct
Dec 1, 2025Common StockSSaleDisposed−2,539$164.20F7−$416,903.835,943Direct
Dec 1, 2025Common StockSSaleDisposed−510$164.95F8−$84,124.535,433Direct

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

Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $158.55 to a high of $159.52. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F3

Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $159.56 to a high of $160.15. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F4

Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $160.67 to a high of $161.63. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F5

Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $161.67 to a high of $162.65. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F6

Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $162.74 to a high of $163.73. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F7

Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $163.75 to a high of $164.72. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F8

Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $164.79 to a high of $165.10. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

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