Tregillis Cynthia L - Insider Non-Derivative Transactions at WESTERN DIGITAL CORP (WDC) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Dec 2, 2025, Tregillis Cynthia L's relationship to WESTERN DIGITAL CORP (WDC) is Officer (Chief Legal Officer & Corp Sec), and currently has 144,596 shares of Common Stock.
The chart below shows the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other WDC insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Tregillis Cynthia L - Insider Non-Derivative Transactions of WDC Common Stock
Tregillis Cynthia L - Insider Non-Derivative Transactions at WDC
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Dec 3, 2025 | Sell -- (Common Stock) | 2801 | 160.57 | 144596 |
| Nov 26, 2025 | F -- (Common Stock) | 770 | 155.41 | 147332 |
| Nov 26, 2025 | M -- (Common Stock) | 5 | 0 | 148102 |
| Nov 22, 2025 | F -- (Common Stock) | 1108 | 139.19 | 148097 |
| Nov 22, 2025 | M -- (Common Stock) | 7 | 0 | 149205 |
| Nov 21, 2025 | F -- (Common Stock) | 379 | 140.23 | 149198 |
| Nov 21, 2025 | M -- (Common Stock) | 2 | 0 | 149577 |
| Oct 21, 2025 | F -- (Common Stock) | 1307 | 121.53 | 149575 |
| Oct 21, 2025 | M -- (Common Stock) | 8 | 0 | 150882 |
| Aug 28, 2025 | F -- (Common Stock) | 266 | 80.67 | 150874 |
| Aug 28, 2025 | M -- (Common Stock) | 1 | 0 | 151140 |
| Aug 27, 2025 | Acquisition -- (Common Stock) | 16554 | 0 | 151139 |
| Aug 26, 2025 | F -- (Common Stock) | 769 | 79.22 | 134585 |
| Aug 26, 2025 | M -- (Common Stock) | 3 | 0 | 135354 |
| Aug 23, 2025 | Sell -- (Common Stock) | 14067 | 74.78 | 135351 |
| Aug 22, 2025 | F -- (Common Stock) | 4428 | 74.66 | 149418 |
| Aug 22, 2025 | M -- (Common Stock) | 18 | 0 | 153846 |
| Aug 21, 2025 | F -- (Common Stock) | 2565 | 75.64 | 153828 |
| Aug 21, 2025 | M -- (Common Stock) | 10 | 0 | 156393 |
| Jul 21, 2025 | F -- (Common Stock) | 1306 | 68 | 156383 |
| Jul 21, 2025 | M -- (Common Stock) | 5 | 0 | 157689 |
| Jun 21, 2025 | F -- (Common Stock) | 204 | 59.29 | 157684 |
| Jun 21, 2025 | M -- (Common Stock) | 0 | 0 | 157888 |
| May 28, 2025 | F -- (Common Stock) | 267 | 51.82 | 157661 |
| May 26, 2025 | F -- (Common Stock) | 768 | 50.18 | 157928 |
| May 21, 2025 | F -- (Common Stock) | 379 | 50.63 | 158696 |
| Apr 21, 2025 | F -- (Common Stock) | 1172 | 36.51 | 159075 |
| Mar 7, 2025 | F -- (Common Stock) | 875 | 41.45 | 160247 |
| Mar 4, 2025 | Acquisition -- (Common Stock) | 21272 | 0 | 161122 |