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Western Digital Director Matthew Massengill Receives Dividend Equivalent Rights

Low SignificanceSeptember 21, 2026 at 11:14:52 PM UTC

WESTERN DIGITAL CORP

$WDC4CIK: 0000106040

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Filing Summary

# SEC Form 4 Alert: Western Digital Corp (WDC)
**Insider:** MASSENGILL MATTHEW E (Director)
**Transaction Date:** 2026-09-17
**Type:** Acquisition (Award/Accrual)
**Security:** Dividend Equivalent Rights
**Amount:** 10.2654 units @ $0.00
**Total Value:** $0.00
**Ending Balance:** 121.1113 units
**Significance:** Low (Routine dividend accrual on unvested RSUs)

Comprehensive Analysis

Executive Summary

On September 21, 2026, Western Digital Corp (NASDAQ: WDC) filed a Form 4 detailing an accrual of dividend equivalent rights for Director Matthew E. Massengill. On September 17, 2026, Massengill acquired 10.2654 dividend equivalent rights credited to previously granted Restricted Stock Units (RSUs).

Transaction Details

  • Security: Dividend Equivalent Rights (convertible into Common Stock on a 1-for-1 basis or cash equivalent upon vesting)
  • Transaction Code: 'A' (Grant, award, or other acquisition pursuant to Rule 16b-3(d))
  • Volume: 10.2654 derivative shares
  • Price: $0.00
  • Post-Transaction Holdings: 121.1113 dividend equivalent rights held directly

Significance Assessment

This transaction carries Low trading significance. It reflects an automated, routine credit of dividend equivalents accrued on unvested RSUs rather than an open-market transaction or discretionary investment decision by the director.

Topics:#WDC#WesternDigital#InsiderTrading#SECForm4#StockMarket

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