DOLUCA TUNC 4

What Happened
Doluca Tunc, a director of Western Digital Corp (WDC), was granted 0.65 dividend-equivalent rights (transaction code A) on 2026-03-18. The filing shows 0.65 derivative shares acquired at $0.00 (total reported value $0). This award reflects dividend equivalents that accrued on previously granted restricted stock units (RSUs) and will vest proportionately with those RSUs.

Key Details

• Transaction date: 2026-03-18
• Transaction type/code: Award (A) of derivative dividend-equivalent rights
• Amount and price: 0.65 shares acquired at $0.00; reported value $0
• Shares owned after transaction: Not specified in the provided filing excerpt
• Footnote: F1 — dividend equivalent rights accrue on previously awarded RSUs and vest proportionately; each right represents a contingent right to one share or the cash value thereof
• Filing timeliness: Not indicated in the provided excerpt

Context
Dividend-equivalent rights are a form of compensation tied to existing RSUs and typically vest with those RSUs; they do not involve an open-market purchase or sale by the insider. Such awards are routine compensation and do not, by themselves, signal a buy/sell decision by the insider.