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Western Digital Corp.

Cynthia L Tregillis (Chief Legal Officer & Corp Sec) sells WDC shares

4WDCFiled Oct 22, 2026, 5:57 PM ET· Period Oct 20, 2026

AI-generated summary

Chief Legal Officer & Corp Sec Cynthia L Tregillis exercised 14.37 shares at no cost, had 1,309.713 shares withheld for taxes worth $477,154.64, and sold 807 shares for $306,660 at an average price of $380.00. The sale was made under a Rule 10b5-1 trading plan adopted on March 6, 2026. Following these transactions, the insider directly holds 108,927.657 shares.

View original filing on SEC.gov (opens SEC EDGAR)

Key facts

Insider
Cynthia L Tregillis · Chief Legal Officer & Corp Sec

Rule 10b5-1 plan · adopted Mar 6, 2026

DateTransactionSharesPriceValueHeld afterOwnership
Oct 20, 2026M · exercise or conversion of a derivativeFootnotes F1+14.37$0.00$0.00111,044.37Direct
Oct 20, 2026F · tax withholdingFootnotes F2−1,309.713$364.32$477,154.64109,734.657Direct
Oct 21, 2026S · open-market saleFootnotes F3−807$380.00$306,660.00108,927.657Direct
Oct 20, 2026M · exercise or conversion of a derivativeDividend Equivalent RightsFootnotes F1−14.3704$0.00$0.00283.4915Direct
Footnotes
  1. F1 The dividend equivalent rights were converted into, and paid in the form of, shares of the Issuer's common stock on a one-for-one basis in connection with the vesting of restricted stock units to which the dividend equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.
  2. F2 Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).
  3. F3 The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 6, 2026.

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Not investment advice. Summaries can contain errors; the SEC filing is the official record.