Tregillis Cynthia L (CIK 2057088) reported 57 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-05). Recent activity: Buy WDC (6 shares), Sell WDC (699 shares), Sell WDC (432 shares), Buy WDC (3 shares), Sell WDC (379 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-05 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Buy | 6 | $0 |
| 2026-06-05 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Sell | 699 | $415,283 |
| 2026-06-05 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Sell | 432 | $235,699 |
| 2026-05-22 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Buy | 3 | $0 |
| 2026-05-22 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Sell | 379 | $174,196 |
| 2026-05-22 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Buy | 10 | $0 |
| 2026-05-22 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Sell | 1,108 | $538,998 |
| 2026-05-22 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Sell | 106 | $48,640 |
| 2026-04-22 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Buy | 12 | $0 |
| 2026-04-22 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Sell | 1,308 | $489,336 |
| 2026-04-22 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Sell | 363 | $136,884 |
| 2026-03-05 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Sell | 2,798 | $701,207 |
| 2026-03-05 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Sell | 777 | $200,396 |
| 2026-03-05 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Sell | 8,547 | $2.3M |
| 2026-03-05 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Buy | 23 | $0 |
| 2026-02-27 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Buy | 6 | $0 |
| 2026-02-27 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Sell | 770 | $224,032 |
| 2026-02-27 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Sell | 214 | $61,228 |
| 2026-02-24 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Buy | 3 | $0 |
| 2026-02-24 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Sell | 244 | $69,667 |
| 2026-02-24 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Buy | 9 | $0 |
| 2026-02-24 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Sell | 1,109 | $316,642 |
| 2026-02-24 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Sell | 130 | $36,898 |
| 2026-02-24 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Sell | 308 | $86,764 |
| 2026-02-06 | WESTERN DIGITAL CORP (WDC) | Chief Legal Officer & Corp Sec | Sell | 6,780 | $1.8M |
Source: SEC Form 4 filings · as of 2026-06-05