Western Digital Corp SEC filings WDC
Western Digital Corp has 1,003 filings in SEC EDGAR's recent list, going back to Nov 29, 2018. Its latest annual report, Form ARS, was filed on Oct 5, 2026 for the period ended Jul 3, 2026. The latest quarterly report (Form 10-Q) was filed on Oct 23, 2026, covering the quarter ended Oct 2, 2026. The most recent current report (Form 8-K) was filed on Oct 22, 2026 (results of operations). The company's fiscal year ends on July 3.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Oct 30, 2026 | Oct 29, 2026 |
| 144 | Notice of proposed sale | Oct 29, 2026 | — |
| 10-Q | Quarterly report | Oct 23, 2026 | Oct 2, 2026 |
| 4 | Insider transaction | Oct 22, 2026 | Oct 20, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 22, 2026 | Oct 22, 2026 |
| 144 | Notice of proposed sale | Oct 21, 2026 | — |
| ARS | Annual report to shareholders | Oct 5, 2026 | Jul 3, 2026 |
| DEFA14A | Additional proxy material | Oct 5, 2026 | — |
| DEF 14A | Proxy statement | Oct 5, 2026 | Nov 20, 2026 |
| 4 | Insider transaction | Sep 21, 2026 | Sep 17, 2026 |
| 4 | Insider transaction | Sep 21, 2026 | Sep 17, 2026 |
| 4 | Insider transaction | Sep 21, 2026 | Sep 17, 2026 |
| 4 | Insider transaction | Sep 21, 2026 | Sep 17, 2026 |
| 4 | Insider transaction | Sep 21, 2026 | Sep 17, 2026 |
| 4 | Insider transaction | Sep 21, 2026 | Sep 17, 2026 |
| 4 | Insider transaction | Sep 21, 2026 | Sep 17, 2026 |
| 4 | Insider transaction | Sep 21, 2026 | Sep 17, 2026 |
| 4 | Insider transaction | Sep 21, 2026 | Sep 17, 2026 |
| 4 | Insider transaction | Sep 21, 2026 | Sep 17, 2026 |
| 4 | Insider transaction | Sep 21, 2026 | Sep 17, 2026 |
| 4 | Insider transaction | Sep 21, 2026 | Sep 17, 2026 |
| 4 | Insider transaction | Sep 21, 2026 | Sep 17, 2026 |
| 4 | Insider transaction | Sep 21, 2026 | Sep 17, 2026 |
| 4 | Insider transaction | Sep 21, 2026 | Sep 17, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 14, 2026 | Sep 14, 2026 |
| 4 | Insider transaction | Sep 8, 2026 | Sep 3, 2026 |
| 4 | Insider transaction | Sep 8, 2026 | Sep 3, 2026 |
| 4 | Insider transaction | Sep 8, 2026 | Sep 3, 2026 |
| 144 | Notice of proposed sale | Sep 4, 2026 | — |
| 144 | Notice of proposed sale | Sep 4, 2026 | — |
| 4 | Insider transaction | Sep 2, 2026 | Aug 31, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Aug 31, 2026 |
| 144 | Notice of proposed sale | Aug 31, 2026 | — |
| 4 | Insider transaction | Aug 27, 2026 | Aug 25, 2026 |
| 4 | Insider transaction | Aug 27, 2026 | Aug 25, 2026 |
| 4 | Insider transaction | Aug 27, 2026 | Aug 25, 2026 |
| 4 | Insider transaction | Aug 27, 2026 | Aug 25, 2026 |
| 4 | Insider transaction | Aug 27, 2026 | Aug 25, 2026 |
| 4 | Insider transaction | Aug 27, 2026 | Aug 25, 2026 |
| 4 | Insider transaction | Aug 27, 2026 | Aug 25, 2026 |
| 8-K/A |
Amended current report
Unregistered share sale
|
Aug 27, 2026 | Aug 26, 2026 |
| 144 | Notice of proposed sale | Aug 27, 2026 | — |
| 144 | Notice of proposed sale | Aug 26, 2026 | — |
| 8-K |
Current report
Unregistered share sale, Other events
|
Aug 26, 2026 | Aug 26, 2026 |
| 4 | Insider transaction | Aug 24, 2026 | Aug 20, 2026 |
| 4 | Insider transaction | Aug 24, 2026 | Aug 20, 2026 |
| 4 | Insider transaction | Aug 24, 2026 | Aug 20, 2026 |
| 4 | Insider transaction | Aug 24, 2026 | Aug 20, 2026 |
| 144 | Notice of proposed sale | Aug 24, 2026 | — |
| 144 | Notice of proposed sale | Aug 21, 2026 | — |
| 10-K | Annual report | Aug 14, 2026 | Jul 3, 2026 |
| 4 | Insider transaction | Aug 12, 2026 | Aug 11, 2026 |
| 144 | Notice of proposed sale | Aug 11, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 6, 2026 | — |
| 8-K |
Current report
Results of operations
|
Aug 5, 2026 | Aug 5, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 31, 2026 | — |
| 4 | Insider transaction | Jul 29, 2026 | Jul 28, 2026 |
| 4 | Insider transaction | Jul 29, 2026 | Jul 28, 2026 |
| 4 | Insider transaction | Jul 21, 2026 | Jul 20, 2026 |
| 144 | Notice of proposed sale | Jul 21, 2026 | — |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 9, 2026 |
| 8-K |
Current report
Other events
|
Jun 11, 2026 | Jun 11, 2026 |
| 144 | Notice of proposed sale | Jun 9, 2026 | — |
| 8-K/A |
Amended current report
Unregistered share sale
|
Jun 8, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | Jun 5, 2026 | Jun 3, 2026 |
| 4 | Insider transaction | Jun 5, 2026 | Jun 3, 2026 |
| 4 | Insider transaction | Jun 5, 2026 | Jun 3, 2026 |
| 144 | Notice of proposed sale | Jun 5, 2026 | — |
| 8-K |
Current report
Unregistered share sale, Other events
|
Jun 3, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | Jun 1, 2026 |
| 144 | Notice of proposed sale | Jun 1, 2026 | — |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2026 | — |
| 4 | Insider transaction | May 29, 2026 | May 28, 2026 |
| 144 | Notice of proposed sale | May 28, 2026 | — |
| 4 | Insider transaction | May 28, 2026 | May 26, 2026 |
| 3 | Initial insider ownership | May 28, 2026 | May 26, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
May 28, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 22, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 25, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 25, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 25, 2026 |
| 144 | Notice of proposed sale | May 27, 2026 | — |
| 4 | Insider transaction | May 22, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 22, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 22, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 22, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 22, 2026 | May 20, 2026 |
| 144 | Notice of proposed sale | May 22, 2026 | — |
| 144 | Notice of proposed sale | May 21, 2026 | — |
| 4 | Insider transaction | May 18, 2026 | May 15, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| 4 | Insider transaction | May 12, 2026 | May 11, 2026 |
| 144 | Notice of proposed sale | May 11, 2026 | — |
| 4 | Insider transaction | May 5, 2026 | May 4, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 1, 2026 |
| 144 | Notice of proposed sale | May 4, 2026 | — |
| 144 | Notice of proposed sale | May 1, 2026 | — |
| 10-Q | Quarterly report | May 1, 2026 | Apr 3, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 30, 2026 | Apr 30, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| 4 | Insider transaction | Apr 22, 2026 | Apr 20, 2026 |
| 4 | Insider transaction | Apr 22, 2026 | Apr 20, 2026 |
| 144 | Notice of proposed sale | Apr 21, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 4 | Insider transaction | Mar 24, 2026 | Mar 20, 2026 |
| 4 | Insider transaction | Mar 24, 2026 | Mar 20, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 6, 2026 |
| 144 | Notice of proposed sale | Mar 6, 2026 | — |
| 4 | Insider transaction | Mar 5, 2026 | Mar 3, 2026 |
| 4 | Insider transaction | Mar 5, 2026 | Mar 3, 2026 |
| 4 | Insider transaction | Mar 5, 2026 | Mar 3, 2026 |
| 4 | Insider transaction | Mar 5, 2026 | Mar 3, 2026 |
| 144 | Notice of proposed sale | Mar 4, 2026 | — |
| 144 | Notice of proposed sale | Mar 4, 2026 | — |
| 144 | Notice of proposed sale | Mar 4, 2026 | — |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 144 | Notice of proposed sale | Mar 2, 2026 | — |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 144 | Notice of proposed sale | Feb 26, 2026 | — |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 8-K |
Current report
Bylaw or fiscal year change, Other events
|
Feb 24, 2026 | Feb 23, 2026 |
| 144 | Notice of proposed sale | Feb 24, 2026 | — |
| 144 | Notice of proposed sale | Feb 23, 2026 | — |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 8-K |
Current report
Change to shareholder rights
|
Feb 18, 2026 | Feb 17, 2026 |
| 144 | Notice of proposed sale | Feb 17, 2026 | — |
| 4 | Insider transaction | Feb 13, 2026 | Feb 12, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 10, 2026 | — |
| 8-K |
Current report
Other events
|
Feb 9, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 6, 2026 | Feb 6, 2026 |
| 4 | Insider transaction | Feb 6, 2026 | Feb 5, 2026 |
| 144 | Notice of proposed sale | Feb 6, 2026 | — |
| 144 | Notice of proposed sale | Feb 5, 2026 | — |
| 4 | Insider transaction | Feb 4, 2026 | Feb 2, 2026 |
| 144 | Notice of proposed sale | Feb 2, 2026 | — |
| 10-Q | Quarterly report | Jan 30, 2026 | Jan 2, 2026 |
| 8-K |
Current report
Results of operations
|
Jan 29, 2026 | Jan 29, 2026 |
| 4 | Insider transaction | Jan 21, 2026 | Jan 20, 2026 |
| 144 | Notice of proposed sale | Jan 21, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 8, 2026 | — |
| 4 | Insider transaction | Dec 22, 2025 | Dec 18, 2025 |
| 4 | Insider transaction | Dec 22, 2025 | Dec 18, 2025 |
| 4 | Insider transaction | Dec 22, 2025 | Dec 18, 2025 |
| 4 | Insider transaction | Dec 22, 2025 | Dec 18, 2025 |
| 4 | Insider transaction | Dec 22, 2025 | Dec 18, 2025 |
| 4 | Insider transaction | Dec 22, 2025 | Dec 18, 2025 |
| 4 | Insider transaction | Dec 22, 2025 | Dec 18, 2025 |
| 4 | Insider transaction | Dec 22, 2025 | Dec 18, 2025 |
| 4 | Insider transaction | Dec 22, 2025 | Dec 18, 2025 |
| 4 | Insider transaction | Dec 22, 2025 | Dec 18, 2025 |
| 4 | Insider transaction | Dec 22, 2025 | Dec 18, 2025 |
| 4 | Insider transaction | Dec 22, 2025 | Dec 18, 2025 |
| 4 | Insider transaction | Dec 22, 2025 | Dec 18, 2025 |
| 4 | Insider transaction | Dec 22, 2025 | Dec 18, 2025 |
| 4 | Insider transaction | Dec 8, 2025 | Dec 4, 2025 |
| 4 | Insider transaction | Dec 8, 2025 | Dec 4, 2025 |
| 144 | Notice of proposed sale | Dec 5, 2025 | — |
| 144 | Notice of proposed sale | Dec 5, 2025 | — |
| 144 | Notice of proposed sale | Dec 4, 2025 | — |
| 144 | Notice of proposed sale | Dec 4, 2025 | — |
| 4 | Insider transaction | Dec 3, 2025 | Dec 2, 2025 |
| 4 | Insider transaction | Dec 3, 2025 | Dec 1, 2025 |
| 144 | Notice of proposed sale | Dec 2, 2025 | — |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Computer Storage Devices (SIC 3572)
- Listed as
- WDC (Nasdaq)
- Fiscal year ends
- July 3
- Incorporated in
- DE
- Headquarters
- San Jose, CA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 106040
Other Computer Storage Devices companies
- Sandisk Corp SNDK
- Seagate Technology Holdings plc STX
- Everpure, Inc. P
- NetApp, Inc. NTAP
- Quantum Corp /DE/ QMCO
Source: SEC EDGAR filings. This is company-reported data, not investment advice.