Diodes Inc /DEL/ SEC filings DIOD
Diodes Inc /DEL/ has 1,001 filings in SEC EDGAR's recent list, going back to Dec 14, 2016. Its latest annual report, Form ARS, was filed on Apr 1, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 5, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 15, 2026 (regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 5, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 15, 2026 | Oct 15, 2026 |
| 8-K |
Current report
Other events
|
Aug 27, 2026 | Aug 27, 2026 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Other events
|
Aug 18, 2026 | Aug 12, 2026 |
| 4 | Insider transaction | Aug 13, 2026 | Aug 12, 2026 |
| 3 | Initial insider ownership | Aug 13, 2026 | Aug 1, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 12, 2026 | Aug 5, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 7, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 6, 2026 | — |
| 10-Q | Quarterly report | Aug 5, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 5, 2026 | Aug 5, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jul 28, 2026 | Jul 27, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 15, 2026 | Jul 15, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 14, 2026 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Jul 14, 2026 | Jul 10, 2026 |
| 4 | Insider transaction | Jun 1, 2026 | May 29, 2026 |
| 4 | Insider transaction | Jun 1, 2026 | May 29, 2026 |
| 144 | Notice of proposed sale | May 29, 2026 | — |
| 144 | Notice of proposed sale | May 29, 2026 | — |
| SD | Specialized disclosure (conflict minerals) | May 28, 2026 | — |
| 4 | Insider transaction | May 28, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 144 | Notice of proposed sale | May 27, 2026 | — |
| 144 | Notice of proposed sale | May 27, 2026 | — |
| 144 | Notice of proposed sale | May 27, 2026 | — |
| 144 | Notice of proposed sale | May 26, 2026 | — |
| 144 | Notice of proposed sale | May 26, 2026 | — |
| 144 | Notice of proposed sale | May 26, 2026 | — |
| 144 | Notice of proposed sale | May 26, 2026 | — |
| 4 | Insider transaction | May 21, 2026 | May 19, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 144 | Notice of proposed sale | May 20, 2026 | — |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 144 | Notice of proposed sale | May 15, 2026 | — |
| 4 | Insider transaction | May 13, 2026 | May 12, 2026 |
| 4 | Insider transaction | May 13, 2026 | May 12, 2026 |
| 4 | Insider transaction | May 13, 2026 | May 12, 2026 |
| 4 | Insider transaction | May 13, 2026 | May 13, 2026 |
| 144 | Notice of proposed sale | May 13, 2026 | — |
| 4 | Insider transaction | May 13, 2026 | May 11, 2026 |
| 4 | Insider transaction | May 13, 2026 | May 11, 2026 |
| 4 | Insider transaction | May 13, 2026 | May 11, 2026 |
| 4 | Insider transaction | May 13, 2026 | May 11, 2026 |
| 4 | Insider transaction | May 13, 2026 | May 11, 2026 |
| 4 | Insider transaction | May 13, 2026 | May 11, 2026 |
| 3 | Initial insider ownership | May 13, 2026 | May 11, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 12, 2026 | May 7, 2026 |
| 144 | Notice of proposed sale | May 12, 2026 | — |
| 144 | Notice of proposed sale | May 12, 2026 | — |
| 144 | Notice of proposed sale | May 12, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 12, 2026 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Regulation FD disclosure
|
May 12, 2026 | May 11, 2026 |
| 10-Q | Quarterly report | May 7, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
May 7, 2026 | May 7, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 6, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 16, 2026 | Apr 16, 2026 |
| ARS | Annual report to shareholders | Apr 1, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 1, 2026 | — |
| DEF 14A | Proxy statement | Apr 1, 2026 | May 11, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| 8-K |
Current report
Auditor change
|
Mar 11, 2026 | Mar 5, 2026 |
| 4 | Insider transaction | Feb 26, 2026 | Feb 24, 2026 |
| 4 | Insider transaction | Feb 26, 2026 | Feb 24, 2026 |
| 144 | Notice of proposed sale | Feb 24, 2026 | — |
| 144 | Notice of proposed sale | Feb 24, 2026 | — |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 144 | Notice of proposed sale | Feb 20, 2026 | — |
| 144 | Notice of proposed sale | Feb 20, 2026 | — |
| 4 | Insider transaction | Feb 17, 2026 | Feb 13, 2026 |
| 4 | Insider transaction | Feb 17, 2026 | Feb 13, 2026 |
| 4 | Insider transaction | Feb 17, 2026 | Feb 13, 2026 |
| 144 | Notice of proposed sale | Feb 13, 2026 | — |
| 144 | Notice of proposed sale | Feb 13, 2026 | — |
| 144 | Notice of proposed sale | Feb 13, 2026 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 12, 2026 | Feb 10, 2026 |
| 10-K | Annual report | Feb 10, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Feb 10, 2026 | Feb 10, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 5, 2026 | — |
| 4 | Insider transaction | Feb 4, 2026 | Feb 1, 2026 |
| 4 | Insider transaction | Feb 4, 2026 | Feb 1, 2026 |
| 4 | Insider transaction | Feb 4, 2026 | Feb 1, 2026 |
| 4 | Insider transaction | Feb 4, 2026 | Feb 1, 2026 |
| 4 | Insider transaction | Feb 4, 2026 | Feb 1, 2026 |
| 4 | Insider transaction | Feb 4, 2026 | Feb 2, 2026 |
| 4 | Insider transaction | Feb 4, 2026 | Feb 1, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 20, 2026 | Jan 20, 2026 |
| 4 | Insider transaction | Nov 13, 2025 | Nov 12, 2025 |
| 8-K |
Current report
Acquisition or sale of assets, Regulation FD disclosure
|
Nov 12, 2025 | Nov 6, 2025 |
| 144 | Notice of proposed sale | Nov 12, 2025 | — |
| 144 | Notice of proposed sale | Nov 12, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 10, 2025 | — |
| 10-Q | Quarterly report | Nov 6, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Nov 6, 2025 | Nov 6, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 16, 2025 | Oct 16, 2025 |
| 144 | Notice of proposed sale | Aug 28, 2025 | — |
| 4 | Insider transaction | Aug 28, 2025 | Aug 28, 2025 |
| 4 | Insider transaction | Aug 28, 2025 | Aug 27, 2025 |
| 144 | Notice of proposed sale | Aug 27, 2025 | — |
| 4 | Insider transaction | Aug 21, 2025 | Aug 19, 2025 |
| 144 | Notice of proposed sale | Aug 19, 2025 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 11, 2025 | Aug 7, 2025 |
| 10-Q | Quarterly report | Aug 7, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Aug 7, 2025 | Aug 7, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 17, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 17, 2025 | Jul 17, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jul 1, 2025 |
| 8-K |
Current report
Auditor change
|
Jun 6, 2025 | Jun 3, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 29, 2025 | — |
| 4 | Insider transaction | May 28, 2025 | May 27, 2025 |
| 4 | Insider transaction | May 28, 2025 | May 27, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 20, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 13, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 13, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 13, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 13, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 13, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 13, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 13, 2025 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Regulation FD disclosure
|
May 14, 2025 | May 12, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 12, 2025 | May 8, 2025 |
| 10-Q | Quarterly report | May 8, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
May 8, 2025 | May 8, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 17, 2025 | Apr 17, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 15, 2025 | — |
| 4 | Insider transaction | Apr 2, 2025 | Apr 1, 2025 |
| ARS | Annual report to shareholders | Apr 2, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 2, 2025 | — |
| DEF 14A | Proxy statement | Apr 2, 2025 | May 12, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 10-K | Annual report | Feb 14, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 14, 2025 | Feb 11, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Feb 11, 2025 | Feb 11, 2025 |
| 4 | Insider transaction | Feb 5, 2025 | Feb 3, 2025 |
| 4 | Insider transaction | Feb 5, 2025 | Feb 3, 2025 |
| 4 | Insider transaction | Feb 5, 2025 | Feb 3, 2025 |
| 4 | Insider transaction | Feb 5, 2025 | Feb 3, 2025 |
| 4 | Insider transaction | Feb 5, 2025 | Feb 3, 2025 |
| 4 | Insider transaction | Feb 5, 2025 | Feb 3, 2025 |
| 4 | Insider transaction | Feb 5, 2025 | Feb 3, 2025 |
| 3 | Initial insider ownership | Feb 5, 2025 | Feb 3, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jan 24, 2025 | Jan 22, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 21, 2025 | Jan 21, 2025 |
| 4 | Insider transaction | Nov 22, 2024 | Nov 20, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 12, 2024 | Nov 7, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| 10-Q | Quarterly report | Nov 7, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Nov 7, 2024 | Nov 7, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 17, 2024 | Oct 17, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Sep 10, 2024 | — |
| 4 | Insider transaction | Sep 3, 2024 | Aug 30, 2024 |
| 4 | Insider transaction | Sep 3, 2024 | Aug 29, 2024 |
| 4/A | Filing | Sep 3, 2024 | Aug 26, 2024 |
| 144 | Notice of proposed sale | Aug 30, 2024 | — |
| 144 | Notice of proposed sale | Aug 29, 2024 | — |
| 4 | Insider transaction | Aug 27, 2024 | Aug 26, 2024 |
| 144 | Notice of proposed sale | Aug 26, 2024 | — |
| 4 | Insider transaction | Aug 21, 2024 | Aug 19, 2024 |
| 144 | Notice of proposed sale | Aug 19, 2024 | — |
| 144 | Notice of proposed sale | Aug 19, 2024 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 12, 2024 | Aug 8, 2024 |
| 4 | Insider transaction | Aug 12, 2024 | Jul 1, 2024 |
| 10-Q | Quarterly report | Aug 8, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Aug 8, 2024 | Aug 8, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 19, 2024 | Jul 18, 2024 |
| SC 13G | Ownership over 5% (passive) | Jul 10, 2024 | — |
| 4 | Insider transaction | Jul 2, 2024 | Jul 1, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jul 1, 2024 |
| UPLOAD | Letter from the SEC | Jun 5, 2024 | — |
| 4 | Insider transaction | Jun 3, 2024 | May 30, 2024 |
| 4 | Insider transaction | Jun 3, 2024 | May 30, 2024 |
| 4 | Insider transaction | Jun 3, 2024 | May 30, 2024 |
| 4 | Insider transaction | Jun 3, 2024 | May 30, 2024 |
| 4 | Insider transaction | Jun 3, 2024 | May 30, 2024 |
| 4 | Insider transaction | Jun 3, 2024 | May 30, 2024 |
| CORRESP | Letter to the SEC | May 31, 2024 | — |
| 4 | Insider transaction | May 30, 2024 | May 28, 2024 |
| 3 | Initial insider ownership | May 30, 2024 | May 29, 2024 |
| 4 | Insider transaction | May 30, 2024 | May 29, 2024 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2024 | — |
| 8-K |
Current report
Shareholder vote results
|
May 29, 2024 | May 29, 2024 |
| 4 | Insider transaction | May 24, 2024 | May 22, 2024 |
| 144 | Notice of proposed sale | May 22, 2024 | — |
| 4 | Insider transaction | May 20, 2024 | May 16, 2024 |
| 144 | Notice of proposed sale | May 20, 2024 | — |
| UPLOAD | Letter from the SEC | May 20, 2024 | — |
| 144 | Notice of proposed sale | May 17, 2024 | — |
| 144 | Notice of proposed sale | May 16, 2024 | — |
| 4 | Insider transaction | May 16, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 14, 2024 |
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.
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Company profile
- Industry
- Semiconductors & Related Devices (SIC 3674)
- Listed as
- DIOD (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Plano, TX
- SEC filer status
- Large accelerated filer
- SEC CIK
- 29002
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.