Cynthia L. Tregillis

Companies

• Western DigitalGeneral counsel Mar 3, 2025 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Western Digital WDC111,030 shares²$36.9M at $332.54Sep 4, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Sep 4, 2026Sold 432 shares at $451.20 of Western Digital²
• Sep 3, 2026Shares withheld for tax 700 shares at $441.57 of Western Digital²
• Sep 3, 2026Exercised options 7 shares of Western Digital²
• Aug 27, 2026Sold 1,007 shares at $478.36 of Western Digital³
• Aug 26, 2026Shares withheld for tax 1,631 shares at $468.88 of Western Digital³
• Aug 26, 2026Exercised options 9 shares of Western Digital³
• Aug 26, 2026Sold 476 shares at $450.78 of Western Digital³
• Aug 25, 2026Granted 3,878 shares of Western Digital³
• Aug 25, 2026Shares withheld for tax 771 shares at $450.75 of Western Digital³
• Aug 25, 2026Exercised options 7 shares of Western Digital³
• Aug 24, 2026Sold 684 shares at $446.17 of Western Digital⁴
• Aug 21, 2026Shares withheld for tax 1,109 shares at $459.44 of Western Digital⁴
• Aug 21, 2026Exercised options 11 shares of Western Digital⁴
• Aug 21, 2026Sold 235 shares at $477.27 of Western Digital⁴
• Aug 20, 2026Shares withheld for tax 379 shares at $469.05 of Western Digital⁴
• Aug 20, 2026Exercised options 3 shares of Western Digital⁴
• Jul 21, 2026Sold 808 shares at $529.63 of Western Digital⁵
• Jul 20, 2026Shares withheld for tax 1,309 shares at $487.42 of Western Digital⁵
• Jul 20, 2026Exercised options 13 shares of Western Digital⁵
• Jun 5, 2026Sold 432 shares at $545.60 of Western Digital⁶
• Jun 3, 2026Shares withheld for tax 699 shares at $594.11 of Western Digital⁶
• Jun 3, 2026Exercised options 6 shares of Western Digital⁶
• May 27, 2026Sold 214 shares at $539.63 of Western Digital⁷
• May 25, 2026Shares withheld for tax 771 shares at $484.28 of Western Digital⁷
• May 25, 2026Exercised options 7 shares of Western Digital⁷