Abiopharma

🔍 Tregillis Cynthia L (Executive)

Company: WESTERN DIGITAL CORP (WDC)

Report Date: 2026-08-25

Detailed Transactions and Holdings:

• Acquired 7 shares of Common Stock (Direct)
  Date: 2026-08-25 | Code: M | equity_swap_involved: 0 | shares_owned_after: 112,153.00 | transaction_form_type: 4 | Footnotes: F1
• Sold 771 shares of Common Stock at $450.75 per share (Direct)
  Date: 2026-08-25 | Code: F | equity_swap_involved: 0 | shares_owned_after: 111,382.00 | transaction_form_type: 4 | Footnotes: F2
• Acquired 3,878 shares of Common Stock (Direct)
  Date: 2026-08-25 | Code: A | equity_swap_involved: 0 | shares_owned_after: 115,260.00 | transaction_form_type: 4 | Footnotes: F3
• Sold 476 shares of Common Stock at $450.78 per share (Direct)
  Date: 2026-08-26 | Code: S | equity_swap_involved: 0 | shares_owned_after: 114,784.00 | transaction_form_type: 4 | Footnotes: F4
• Acquired 9 shares of Common Stock (Direct)
  Date: 2026-08-26 | Code: M | equity_swap_involved: 0 | shares_owned_after: 114,793.00 | transaction_form_type: 4 | Footnotes: F1
• Sold 1,631 shares of Common Stock at $468.88 per share (Direct)
  Date: 2026-08-26 | Code: F | equity_swap_involved: 0 | shares_owned_after: 113,162.00 | transaction_form_type: 4 | Footnotes: F2
• Sold 1,007 shares of Common Stock at $478.36 per share (Direct)
  Date: 2026-08-27 | Code: S | equity_swap_involved: 0 | shares_owned_after: 112,155.00 | transaction_form_type: 4 | Footnotes: F4
• Sold 8 shares of Dividend Equivalent Rights (Derivative)
  Date: 2026-08-25 | Code: M | equity_swap_involved: 0 | shares_owned_after: 287.01 | transaction_form_type: 4 | Footnotes: F1, F1, F1
• Sold 9 shares of Dividend Equivalent Rights (Derivative)
  Date: 2026-08-26 | Code: M | equity_swap_involved: 0 | shares_owned_after: 277.54 | transaction_form_type: 4 | Footnotes: F1, F1, F1

Footnotes:

• 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.
• F2: Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).
• F3: Represents the grant of restricted stock units to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.
• F4: 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.