WESTERN DIGITAL CORP — All Filings
1,005 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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 |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-002661 | Mar 27, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000073 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000072 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000069 | Mar 19, 2026 | Mar 18, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000068 | Mar 19, 2026 | Mar 18, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000067 | Mar 19, 2026 | Mar 18, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000066 | Mar 19, 2026 | Mar 18, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000065 | Mar 19, 2026 | Mar 18, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000064 | Mar 19, 2026 | Mar 18, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000063 | Mar 19, 2026 | Mar 18, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000062 | Mar 19, 2026 | Mar 18, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000061 | Mar 19, 2026 | Mar 18, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000060 | Mar 19, 2026 | Mar 18, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000059 | Mar 19, 2026 | Mar 18, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000058 | Mar 19, 2026 | Mar 18, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000057 | Mar 19, 2026 | Mar 18, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000043 | Mar 19, 2026 | Mar 17, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000041 | Mar 10, 2026 | Mar 6, 2026 |
| 144 | — | 0001950047-26-002300 | Mar 6, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000039 | Mar 5, 2026 | Mar 3, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000038 | Mar 5, 2026 | Mar 3, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000037 | Mar 5, 2026 | Mar 3, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000036 | Mar 5, 2026 | Mar 3, 2026 |
| 144 | — | 0001950047-26-002206 | Mar 4, 2026 | — |
| 144 | — | 0001950047-26-002137 | Mar 4, 2026 | — |
| 144 | — | 0001950047-26-002134 | Mar 4, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000031 | Mar 3, 2026 | Mar 2, 2026 |
| 144 | — | 0001968582-26-000185 | Mar 2, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000029 | Feb 27, 2026 | Feb 25, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000028 | Feb 27, 2026 | Feb 25, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000027 | Feb 27, 2026 | Feb 25, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000026 | Feb 27, 2026 | Feb 25, 2026 |
| 144 | — | 0001950047-26-001823 | Feb 26, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000021 | Feb 24, 2026 | Feb 20, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000020 | Feb 24, 2026 | Feb 20, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000019 | Feb 24, 2026 | Feb 20, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000018 | Feb 24, 2026 | Feb 20, 2026 |
| 8-K | 8-K | 0001193125-26-067035 | Feb 24, 2026 | Feb 23, 2026 |
| 144 | — | 0001950047-26-001681 | Feb 24, 2026 | — |
| 144 | — | 0001950047-26-001656 | Feb 23, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000013 | Feb 19, 2026 | Feb 17, 2026 |
| 8-K | 8-K | 0001193125-26-055920 | Feb 18, 2026 | Feb 17, 2026 |
| 144 | — | 0001950047-26-001314 | Feb 17, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000011 | Feb 13, 2026 | Feb 12, 2026 |
| SCHEDULE 13G/A | — | 0001418660-26-000006 | Feb 10, 2026 | — |
| 8-K | 8-K | 0001193125-26-041896 | Feb 9, 2026 | Feb 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000009 | Feb 6, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001266824-26-000008 | Feb 6, 2026 | Feb 5, 2026 |
| 144 | — | 0001950047-26-000979 | Feb 6, 2026 | — |
| 144 | — | 0001950047-26-000964 | Feb 5, 2026 | — |