WESTERN DIGITAL CORP — 4/A Filings
17 4/A filings on record
This page lists all 4/A filings submitted to the SEC by WESTERN DIGITAL CORP (WDC), sorted by most recent first. Each row links to the full filing on EdgarLookup. WESTERN DIGITAL CORP has filed 17 4/A documents with the SEC since 2018. To view all SEC filings by WESTERN DIGITAL CORP, see the full filings list.
All
10-K
10-K405
10-Q
10-Q/A
11-K
11-KT
144
15-12B
25
25-NSE
3
4
4/A
424B1
424B2
424B3
424B7
425
5
8-A12B
8-A12B/A
8-K
8-K/A
ARS
CERTNAS
CORRESP
CT ORDER
DEF 14A
DEFA14A
DEFR14A
DFAN14A
EFFECT
FWP
IRANNOTICE
NT 10-K
NT 10-Q
NT 11-K
POS AM
POSASR
PRE 14A
PRES14A
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-C
SC TO-I
SC TO-I/A
SC TO-T
SC TO-T/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
SEC STAFF LETTER
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4/A | PRIMARY DOCUMENT | 0001266824-25-000089 | Jun 9, 2025 | — |
| 4/A | PRIMARY DOCUMENT | 0001266824-23-000048 | Jun 23, 2023 | May 27, 2023 |
| 4/A | PRIMARY DOCUMENT | 0001266824-23-000049 | Jun 23, 2023 | May 27, 2023 |
| 4/A | PRIMARY DOCUMENT | 0001363249-16-000032 | Jul 28, 2016 | Jul 22, 2016 |
| 4/A | PRIMARY DOCUMENT | 0001266824-09-000083 | Nov 25, 2009 | Nov 11, 2009 |
| 4/A | PRIMARY DOCUMENT | 0001266824-09-000082 | Nov 25, 2009 | Nov 11, 2009 |
| 4/A | PRIMARY DOCUMENT | 0001266824-09-000081 | Nov 25, 2009 | Nov 11, 2009 |
| 4/A | PRIMARY DOCUMENT | 0001266824-09-000080 | Nov 25, 2009 | Nov 11, 2009 |
| 4/A | PRIMARY DOCUMENT | 0001266824-09-000079 | Nov 25, 2009 | Nov 11, 2009 |
| 4/A | PRIMARY DOCUMENT | 0001266824-09-000078 | Nov 25, 2009 | Nov 11, 2009 |
| 4/A | PRIMARY DOCUMENT | 0001266824-09-000084 | Nov 25, 2009 | Nov 11, 2009 |
| 4/A | PRIMARY DOCUMENT | 0001266824-09-000076 | Nov 25, 2009 | Nov 11, 2009 |
| 4/A | PRIMARY DOCUMENT | 0001266824-09-000077 | Nov 25, 2009 | Nov 11, 2009 |
| 4/A | PRIMARY DOCUMENT | 0001266824-04-000029 | Jan 6, 2004 | Jan 1, 2004 |
| 4/A | PRIMARY DOCUMENT | 0001266824-04-000030 | Jan 6, 2004 | Jan 1, 2004 |
| 4/A | PRIMARY DOCUMENT | 0001232834-03-000035 | Sep 23, 2003 | Apr 29, 2003 |
| 4/A | AMENDMENT TO FORM 4 | 0000891618-01-502351 | Nov 21, 2001 | Nov 14, 2001 |