The Form 4 filing, a report of changes in an insider's stock ownership, was filed on Oct. 30, 2026. It identifies Martin I. Cole as a director and lists Oct. 29, 2026, as the date of the sales.
Transaction details
| Transaction | |
|---|---|
| Date of Earliest Transaction | 2026-10-29 |
| Date of Latest Transaction | 2026-10-29 |
| Buy/Sell | sell |
| Transaction Count | 12 |
| Shares Transacted | 4,000 |
| Price | $395.47 |
| Total Transaction Value | $1,581,881.43 |
| Insider | |
| Ticker Symbol | WDC |
| Company | WESTERN DIGITAL CORP |
| Insider Name | Cole Martin I |
| Insider Title | Director |
| Sector - Industry | Other - Unclassified |
| Holdings | |
| Total Shares Owned After Transaction | 17,433 |
| Position Size Change | 18.66% |
| Filing | |
| Filing Date | 2026-10-30 |
| SEC Link | View filing |
FAQ
What type of transaction is this?
This was a sale of Western Digital (WDC) shares by Martin I. Cole. Transaction code S identifies the activity as a sale. The filing lists 12 transactions, all dated Oct. 29, 2026.
What was the average price of the transaction?
The average sale price was $395.47 per share across the 12 transactions. Individual sale prices are not included in the available details.
How did this transaction affect the insider's holdings?
Cole sold 4,000 shares and reported owning 17,433 shares afterward. The shares sold were 18.66% of his reported shares owned before the sales.
What's the total transaction value?
The total reported sale value was $1,581,881.43. This covers all 12 transactions and the 4,000 shares sold.
Are there any special circumstances around this transaction?
The transaction details include a Rule 10b5-1 trading-plan reference. These plans set trading instructions in advance. The available details do not include the filing footnotes or plan text, so it is unclear which sales the reference covers. The plan's start date and trading schedule are also unknown.
For research purposes only; not investment advice.