MATTHEW E. MASSENGILL

Insider Reports History

Location
San Jose, CA
Signature
By: /s/ Sandra Garcia Attorney-in-Fact For: Matthew E. Massengill
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by MATTHEW E. MASSENGILL:

Company Role Class Num Shares Value Price $ Report Date Ownership
WESTERN DIGITAL CORP Director Common Stock 36,926 $5,100,588 $138.13 20 Nov 2025 By Family Trust
WESTERN DIGITAL CORP Director Common Stock 28,897 $3,991,542 $138.13 20 Nov 2025 Direct
Sandisk Corp Director Common Stock 12,308 $620,816 $50.44 03 Mar 2025 By Family Trust
Sandisk Corp Director Common Stock 4,840 $244,130 $50.44 03 Mar 2025 Direct
WESTERN DIGITAL CORP Director Common Stock 500 $69,065 $138.13 20 Nov 2025 by IRA
Sandisk Corp Director Common Stock 166 $8,373 $50.44 03 Mar 2025 By IRA
WESTERN DIGITAL CORP Director Dividend Equivalent Rights 93 18 Dec 2025 Direct

Insider Reports Filed by MATTHEW E. MASSENGILL

Symbol Company Period Transactions Value $ Form Type Role Filing Time
WDC WESTERN DIGITAL CORP 18 Dec 2025 1 $0 4 Director 22 Dec 2025, 16:51
WDC WESTERN DIGITAL CORP 20 Nov 2025 1 $0 4 Director 21 Nov 2025, 17:31
WDC WESTERN DIGITAL CORP 18 Sep 2025 1 $0 4 Director 22 Sep 2025, 18:25
WDC WESTERN DIGITAL CORP 18 Jun 2025 1 $0 4 Director 23 Jun 2025, 18:11
SNDK Sandisk Corp 03 Mar 2025 1 $0 4 Director 04 Mar 2025, 19:34
SNDK Sandisk Corp 31 Jan 2025 0 $0 3 Director 31 Jan 2025, 19:46
WDC WESTERN DIGITAL CORP 20 Nov 2024 1 $0 4 Director 22 Nov 2024, 17:28
WDC WESTERN DIGITAL CORP 15 Nov 2023 1 $0 4 Director 16 Nov 2023, 17:02
WDC WESTERN DIGITAL CORP 16 Nov 2022 1 $0 4 Director 17 Nov 2022, 17:32
WDC WESTERN DIGITAL CORP 16 Nov 2021 1 $0 4 Director 17 Nov 2021, 19:49