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 | — |
| 4 | Insider transaction | Aug 13, 2026 | Aug 12, 2026 |
| 3 | Initial insider ownership | Aug 13, 2026 | Aug 1, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 7, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 6, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 14, 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 | — |
| 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 |
| 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 | — |
| 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 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 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 | — |
| 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 |
| 4 | Insider transaction | Nov 13, 2025 | Nov 12, 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 | — |
| 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 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 17, 2025 | — |
| 4 | Insider transaction | Jul 2, 2025 | Jul 1, 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 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 15, 2025 | — |
| 4 | Insider transaction | Apr 2, 2025 | Apr 1, 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 |
| 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 |
| 4 | Insider transaction | Nov 22, 2024 | Nov 20, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 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 | — |
| 4 | Insider transaction | Aug 12, 2024 | Jul 1, 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 |
| 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 |
| 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 |
| 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 | — |
| 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 |
| 144 | Notice of proposed sale | May 15, 2024 | — |
| 144 | Notice of proposed sale | May 15, 2024 | — |
| 144 | Notice of proposed sale | May 14, 2024 | — |
| 4 | Insider transaction | Apr 2, 2024 | Apr 1, 2024 |
| 4 | Insider transaction | Mar 13, 2024 | Mar 8, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Mar 11, 2024 | — |
| 4 | Insider transaction | Mar 1, 2024 | Feb 29, 2024 |
| 144 | Notice of proposed sale | Feb 29, 2024 | — |
| 4 | Insider transaction | Feb 29, 2024 | Feb 28, 2024 |
| 144 | Notice of proposed sale | Feb 28, 2024 | — |
| 4 | Insider transaction | Feb 27, 2024 | Feb 26, 2024 |
| 144 | Notice of proposed sale | Feb 27, 2024 | — |
| 4 | Insider transaction | Feb 27, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 26, 2024 |
| 144 | Notice of proposed sale | Feb 26, 2024 | — |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 144 | Notice of proposed sale | Feb 22, 2024 | — |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 144 | Notice of proposed sale | Feb 21, 2024 | — |
| 144 | Notice of proposed sale | Feb 20, 2024 | — |
| 4 | Insider transaction | Feb 15, 2024 | Feb 14, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 14, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 14, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 14, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 14, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 14, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| 4 | Insider transaction | Feb 5, 2024 | Feb 1, 2024 |
| 4 | Insider transaction | Feb 5, 2024 | Feb 1, 2024 |
| 4 | Insider transaction | Feb 5, 2024 | Feb 1, 2024 |
| 4 | Insider transaction | Feb 5, 2024 | Feb 1, 2024 |
| 4 | Insider transaction | Feb 5, 2024 | Feb 2, 2024 |
| 4 | Insider transaction | Feb 2, 2024 | Feb 1, 2024 |
| 4 | Insider transaction | Feb 2, 2024 | Feb 1, 2024 |
| 4 | Insider transaction | Feb 2, 2024 | Feb 1, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 22, 2024 | — |
| 4 | Insider transaction | Aug 31, 2023 | Aug 30, 2023 |
| 4 | Insider transaction | Aug 25, 2023 | Aug 23, 2023 |
| 4 | Insider transaction | Aug 23, 2023 | Aug 23, 2023 |
| 144 | Notice of proposed sale | Aug 23, 2023 | — |
| 144 | Notice of proposed sale | Aug 23, 2023 | — |
| 4 | Insider transaction | Jul 5, 2023 | Jul 3, 2023 |
| 4 | Insider transaction | Jul 5, 2023 | Jul 3, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Jun 12, 2023 | — |
| 4 | Insider transaction | Jun 5, 2023 | Jun 1, 2023 |
| 4 | Insider transaction | Jun 5, 2023 | May 24, 2023 |
| 3 | Initial insider ownership | Jun 5, 2023 | May 24, 2023 |
| 144/A | Filing | May 31, 2023 | — |
| 4 | Insider transaction | May 31, 2023 | May 30, 2023 |
| 4 | Insider transaction | May 31, 2023 | May 30, 2023 |
| 4 | Insider transaction | May 31, 2023 | May 30, 2023 |
| 144 | Notice of proposed sale | May 30, 2023 | — |
| 144 | Notice of proposed sale | May 30, 2023 | — |
| 144 | Notice of proposed sale | May 30, 2023 | — |
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.