As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

 4/30/24‡ Western Digital Corp.             10-Q        3/29/24  101:11M                                                             
 4/25/24  Western Digital Corp.             8-K:2,9     4/25/24   11:675K                                                            
  4/9/24  Zamiska Gene M.                   4          Officer²    1:4K   Western Digital Corp.             Garcia Sandra R/FA       
  4/8/24  Zamiska Gene M.                   144                    1:6K   Western Digital Corp.             Morgan Stanley … Svcs/FA 
  4/2/24  Alexy Kimberly                    4          Director²   1:5K   Western Digital Corp.             Garcia Sandra R/FA       
  4/1/24  Alexy Kimberly                    144                    1:5K   Western Digital Corp.             Fidelity Brokera… LLC/FA 
 3/29/24  Western Digital Corp.             DEFA14A                1:947K                                   Donnelley … Solutions/FA 
 3/29/24  Western Digital Corp.             DEF 14A     5/10/24    1:697K                                   Donnelley … Solutions/FA 
 3/15/24  Western Digital Corp.             PRE 14A     5/10/24    1:565K                                   Donnelley … Solutions/FA 
  3/5/24  Zamiska Gene M.                   4          Officer²    1:6K   Western Digital Corp.             Garcia Sandra R/FA       
  3/5/24  Alexy Kimberly                    4          Director²   1:6K   Western Digital Corp.             Garcia Sandra R/FA       
  3/5/24  Western Digital Corp.             8-K:8,9      3/5/24   11:191K                                   Donnelley … Solutions/FA 
  3/4/24  Western Digital Corp.             8-K:1,8      3/3/24   10:173K                                   Donnelley … Solutions/FA 
  3/1/24  Alexy Kimberly                    144                    1:5K   Western Digital Corp.             Fidelity Brokera… LLC/FA 
  3/1/24  Zamiska Gene M.                   144                    1:10K  Western Digital Corp.             Morgan Stanley … Svcs/FA 
 2/29/24  Zamiska Gene M.                   4          Officer²    1:4K   Western Digital Corp.             Garcia Sandra R/FA       
 2/29/24  Soderbery Robert                  4          Officer²    1:4K   Western Digital Corp.             Garcia Sandra R/FA       
 2/29/24  Goeckeler David                   4          Dir.,Off.²  1:4K   Western Digital Corp.             Garcia Sandra R/FA       
 2/22/24  Zamiska Gene M.                   4          Officer²    1:4K   Western Digital Corp.             Garcia Sandra R/FA       
 2/22/24  Soderbery Robert                  4          Officer²    1:4K   Western Digital Corp.             Garcia Sandra R/FA       

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‡	A non-Insider-Ownership Filing that was accepted after the SEC “closed” at 5:30:00pm ET.  The legal “Filed As Of” date may be the next, or another, day.
¹	Filing/Form Types:
	4	Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 { The Filer is an Insider² of the Issuer }.
	8-K	Current Report — Form 8-K { Item 1: Business & Operations;  2: Financial Info;  3: Securities & Trading;  4: Accountants & Accounting;  5: Governance & Management;  6: Asset-Backed Securities;  7: Disclosures;  8: Events;  9: Financials }.
	10-Q	Quarterly Report — Form 10-Q.
	144	Notice of a Proposed Sale of Securities by an Insider — Form 144 { The Filer is an Insider² of the Issuer }.
	DEF 14A	Definitive Proxy Statement — Schedule 14A.
	DEFA14A	Definitive Additional Proxy Soliciting Material — Schedule 14A.
	PRE 14A	Preliminary Proxy Statement — Schedule 14A.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.