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WDCWestern Digital

Cynthia Tregillis

Chief Legal Officer & Corp Sec at Western Digital, as of Sep 21, 2026Sold $7.5M of stock in the past 12 months: 70% under a disclosed plan and 30% with no plan disclosed.

Updated Oct 15, 2026 from SEC filings · covers Oct 16, 2025 to Oct 15, 2026
111K
shares held after the latest filing, Western Digital
Vested shares reported on Forms 3, 4 and 5 only. Not the insider's whole wealth.
25K
shares sold, past 12 months
18
days with sales
$2.5M
largest single day, Mar 4, 2026
1
company filed for

Share of stake sold at Western Digital is not shown: most of their shares vested during the period, so a percentage would mislead. Why

Selling by month

Oct 2025 to Oct 2026. Each sale is counted once: under a disclosed plan, else to cover taxes, else no plan disclosed.

Disclosed planNo plan disclosedOne dollar scale for every month; the tallest bar is labeled
OctNovDec 2025: $450K no plan disclosedDecJan 2026: $102K under a disclosed planJanFeb 2026: $185K under a disclosed planFeb 2026: $1.8M no plan disclosedFebMar 2026: $2.5M under a disclosed plan$2.5MMarApr 2026: $137K under a disclosed planAprMay 2026: $315K under a disclosed planMayJun 2026: $236K under a disclosed planJunJul 2026: $428K under a disclosed planJulAug 2026: $1.1M under a disclosed planAugSep 2026: $195K under a disclosed planSepOct

Pattern

What the filings show, past 12 months. Nothing here rates or predicts.

Roles from filings

Every company we track where this person has filed, newest filing first.

CompanyTitleFirst filingLatest filing
Western Digital (WDC)Chief Legal Officer & Corp SecMar 3, 2025Sep 21, 2026

Recent filings

The last 5 days with transactions, newest first, one line per trade date. Each number links to an SEC filing.

This page shows only what this person reported on SEC ownership filings. See the methodology. Spotted something wrong? Report an error.