InsiderTrades

Form 4 for WDC Western Digital

Accepted 2026-05-05 18:14:39 ET · period of report 2026-05-01 · accession 0001266824-26-000083 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
MT 2026-05-05 18:14 2026-05-01 WDC Tan Irving CEO, Dir S - Sale $411.84 -20.0K 598.1K -3% -$8.24M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-05-01 S D 3,257 $406.52 614,893 D — — (F1) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025. (F2) Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $405.6950 to a high of $406.6800. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
2 Common Common Stock 2026-05-01 S D 512 $407.32 614,381 D — — (F1) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025. (F3) Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $406.8100 to a high of $407.5300. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
3 Common Common Stock 2026-05-01 S D 584 $408.23 613,797 D — — (F1) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025. (F4) Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $407.8150 to a high of $408.5900. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
4 Common Common Stock 2026-05-01 S D 546 $409.63 613,251 D — — (F1) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025. (F5) Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $409.0000 to a high of $409.9900. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
5 Common Common Stock 2026-05-01 S D 920 $410.76 612,331 D — — (F1) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025. (F6) Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $410.1600 to a high of $411.1500. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
6 Common Common Stock 2026-05-01 S D 680 $411.87 611,651 D — — (F1) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025. (F7) Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $411.3750 to a high of $412.3500. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
7 Common Common Stock 2026-05-01 S D 5,711 $413.12 605,940 D — — (F1) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025. (F8) Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $412.4800 to a high of $413.4750. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
8 Common Common Stock 2026-05-01 S D 7,355 $413.92 598,585 D — — (F1) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025. (F9) Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $413.4800 to a high of $414.2000. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
9 Common Common Stock 2026-05-01 S D 435 $415.02 598,150 D — — (F1) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025. (F10) Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $414.6700 to a high of $415.4200. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.