Cynthia L Tregillis
Chief Legal Officer & Corp Sec · 16 filings · Latest: Sep 17, 2026
WESTERN DIGITAL CORP
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|
WDC | CYNTHIA LOCK TREGILLIS | — | Jun 5, 2026 | Proposed Sale | $545.60 | 432 | $235.7K | — | |
WDC | Cynthia L Tregillis | Chief Legal Officer & Corp Sec | May 27, 2026 | Sale | $539.63 | 214 | $115.5K | 117,157 | |
WDC | Cynthia L Tregillis | Chief Legal Officer & Corp Sec | May 25, 2026 | Option Exercise | $0.00 | 7 | — | 118,142 | |
WDC | Cynthia L Tregillis | Chief Legal Officer & Corp Sec | May 22, 2026 | Sale | $488.61 | 308 | $150.5K | 118,135 | |
WDC | CYNTHIA LOCK TREGILLIS | — | May 27, 2026 | Proposed Sale | $539.63 | 214 | $115.5K | — | |
WDC | Cynthia L Tregillis | Chief Legal Officer & Corp Sec | May 21, 2026 | Sale | $458.87 | 106 | $48.6K | 118,443 | |
WDC | Cynthia L Tregillis | Chief Legal Officer & Corp Sec | May 21, 2026 | Option Exercise | $0.00 | 10 | — | 119,657 | |
WDC | Cynthia L Tregillis | Chief Legal Officer & Corp Sec | May 20, 2026 | Option Exercise | $0.00 | 3 | — | 120,026 | |
WDC | CYNTHIA LOCK TREGILLIS | — | May 22, 2026 | Proposed Sale | $488.61 | 308 | $150.5K | — | |
WDC | CYNTHIA LOCK TREGILLIS | — | May 21, 2026 | Proposed Sale | $458.87 | 106 | $48.6K | — | |
WDC | Cynthia L Tregillis | Chief Legal Officer & Corp Sec | Apr 21, 2026 | Sale | $377.09 | 363 | $136.9K | 120,023 | |
WDC | Cynthia L Tregillis | Chief Legal Officer & Corp Sec | Apr 20, 2026 | Option Exercise | $0.00 | 12 | — | 121,694 | |
WDC | CYNTHIA LOCK TREGILLIS | — | Apr 21, 2026 | Proposed Sale | $377.09 | 363 | $136.9K | — | |
WDC | Cynthia L Tregillis | Chief Legal Officer & Corp Sec | Mar 4, 2026 | Sale | $268.27 | 9,324 | $2.5M | 121,682 | |
WDC | Cynthia L Tregillis | Chief Legal Officer & Corp Sec | Mar 3, 2026 | Option Exercise | $0.00 | 23 | — | 133,804 | |
WDC | CYNTHIA LOCK TREGILLIS | — | Mar 4, 2026 | Proposed Sale | $269.22 | 8,547 | $2.3M | — | |
WDC | CYNTHIA LOCK TREGILLIS | — | Mar 4, 2026 | Proposed Sale | $257.91 | 777 | $200.4K | — | |
WDC | Cynthia L Tregillis | Chief Legal Officer & Corp Sec | Feb 26, 2026 | Sale | $286.11 | 214 | $61.2K | 133,781 | |
WDC | Cynthia L Tregillis | Chief Legal Officer & Corp Sec | Feb 25, 2026 | Option Exercise | $0.00 | 6 | — | 134,765 | |
WDC | CYNTHIA LOCK TREGILLIS | — | Feb 26, 2026 | Proposed Sale | $286.11 | 214 | $61.2K | — |