Ducommun Inc /DE/ SEC filings DCO
Ducommun Inc /DE/ has 1,006 filings in SEC EDGAR's recent list, going back to May 3, 2012. Its latest annual report, Form ARS, was filed on Mar 13, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jul 4, 2026. The most recent current report (Form 8-K) was filed on Aug 6, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 27, 2026 | — |
| 4 | Insider transaction | Aug 19, 2026 | Aug 17, 2026 |
| 144 | Notice of proposed sale | Aug 18, 2026 | — |
| 4/A | Filing | Aug 13, 2026 | Aug 11, 2026 |
| 4 | Insider transaction | Aug 13, 2026 | Aug 11, 2026 |
| 144 | Notice of proposed sale | Aug 12, 2026 | — |
| 144 | Notice of proposed sale | Aug 12, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 7, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 6, 2026 | — |
| 4 | Insider transaction | Jun 11, 2026 | Jun 11, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 28, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 28, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 144 | Notice of proposed sale | May 28, 2026 | — |
| 4 | Insider transaction | May 22, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 22, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 20, 2026 | May 20, 2026 |
| 144 | Notice of proposed sale | May 20, 2026 | — |
| 4/A | Filing | May 18, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 15, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 15, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 15, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 15, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 15, 2026 | May 14, 2026 |
| 144 | Notice of proposed sale | May 14, 2026 | — |
| 144 | Notice of proposed sale | May 14, 2026 | — |
| 144 | Notice of proposed sale | May 14, 2026 | — |
| 4 | Insider transaction | May 12, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 12, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 12, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 12, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 12, 2026 | May 8, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 12, 2026 | — |
| 3 | Initial insider ownership | May 5, 2026 | May 4, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 9, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| 4 | Insider transaction | Mar 12, 2026 | Mar 10, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 10, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 10, 2026 | — |
| 144 | Notice of proposed sale | Mar 10, 2026 | — |
| 4 | Insider transaction | Mar 6, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 6, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 6, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 6, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 6, 2026 | Mar 4, 2026 |
| 144 | Notice of proposed sale | Mar 5, 2026 | — |
| 144 | Notice of proposed sale | Mar 5, 2026 | — |
| 4 | Insider transaction | Dec 12, 2025 | Dec 11, 2025 |
| 4 | Insider transaction | Dec 11, 2025 | Dec 10, 2025 |
| 144 | Notice of proposed sale | Dec 10, 2025 | — |
| 4 | Insider transaction | Nov 17, 2025 | Nov 14, 2025 |
| 4 | Insider transaction | Nov 12, 2025 | Nov 10, 2025 |
| 144 | Notice of proposed sale | Nov 12, 2025 | — |
| 144 | Notice of proposed sale | Nov 10, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 9, 2025 | — |
| 4 | Insider transaction | Aug 29, 2025 | Aug 29, 2025 |
| 144 | Notice of proposed sale | Aug 12, 2025 | — |
| 4 | Insider transaction | Jun 23, 2025 | Jun 20, 2025 |
| 4 | Insider transaction | Jun 23, 2025 | Jun 20, 2025 |
| 4 | Insider transaction | Jun 23, 2025 | Jun 20, 2025 |
| 4 | Insider transaction | Jun 16, 2025 | Jun 13, 2025 |
| 4 | Insider transaction | Jun 12, 2025 | Jun 10, 2025 |
| 144 | Notice of proposed sale | Jun 12, 2025 | — |
| 144 | Notice of proposed sale | Jun 11, 2025 | — |
| 144 | Notice of proposed sale | Jun 10, 2025 | — |
| 144 | Notice of proposed sale | Jun 9, 2025 | — |
| 144 | Notice of proposed sale | Jun 6, 2025 | — |
| 4 | Insider transaction | May 30, 2025 | May 29, 2025 |
| 4 | Insider transaction | May 29, 2025 | May 27, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 14, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 14, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 14, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 14, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 14, 2025 |
| 4 | Insider transaction | May 9, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 9, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 9, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 9, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 9, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 9, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 9, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 9, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 9, 2025 | May 9, 2025 |
| 4 | Insider transaction | May 9, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 9, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 9, 2025 | May 8, 2025 |
| 144 | Notice of proposed sale | May 8, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 24, 2025 | — |
| 4 | Insider transaction | Apr 23, 2025 | Apr 22, 2025 |
| 144 | Notice of proposed sale | Mar 14, 2025 | — |
| 4 | Insider transaction | Mar 7, 2025 | Mar 5, 2025 |
| 4 | Insider transaction | Mar 7, 2025 | Mar 5, 2025 |
| 4 | Insider transaction | Mar 7, 2025 | Mar 5, 2025 |
| 4 | Insider transaction | Mar 7, 2025 | Mar 5, 2025 |
| 4 | Insider transaction | Mar 7, 2025 | Mar 5, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 10, 2025 | — |
| 4/A | Filing | Jan 6, 2025 | Dec 6, 2024 |
| 144 | Notice of proposed sale | Dec 11, 2024 | — |
| 4 | Insider transaction | Dec 6, 2024 | Dec 6, 2024 |
| 4 | Insider transaction | Dec 6, 2024 | Dec 5, 2024 |
| 144 | Notice of proposed sale | Dec 5, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 12, 2024 | — |
| 144 | Notice of proposed sale | Nov 12, 2024 | — |
| 144 | Notice of proposed sale | Nov 12, 2024 | — |
| 4 | Insider transaction | Nov 7, 2024 | Nov 5, 2024 |
| 4 | Insider transaction | Nov 7, 2024 | Nov 5, 2024 |
| 3 | Initial insider ownership | Nov 7, 2024 | Nov 5, 2024 |
| 3 | Initial insider ownership | Nov 7, 2024 | Nov 5, 2024 |
| 4 | Insider transaction | Sep 23, 2024 | Sep 20, 2024 |
| 144 | Notice of proposed sale | Sep 20, 2024 | — |
| 4 | Insider transaction | Sep 3, 2024 | Aug 30, 2024 |
| 144 | Notice of proposed sale | Aug 15, 2024 | — |
| 4 | Insider transaction | Aug 15, 2024 | Aug 14, 2024 |
| 4 | Insider transaction | Aug 15, 2024 | Aug 14, 2024 |
| 4 | Insider transaction | Aug 13, 2024 | Aug 12, 2024 |
| 144 | Notice of proposed sale | Aug 13, 2024 | — |
| 144 | Notice of proposed sale | Aug 12, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jul 17, 2024 | — |
| 4 | Insider transaction | Jun 25, 2024 | Jun 21, 2024 |
| 4 | Insider transaction | Jun 24, 2024 | Jun 21, 2024 |
| 4 | Insider transaction | Jun 24, 2024 | Jun 21, 2024 |
| 4 | Insider transaction | Jun 24, 2024 | Jun 21, 2024 |
| 4 | Insider transaction | Jun 18, 2024 | Jun 17, 2024 |
| 4 | Insider transaction | May 15, 2024 | May 14, 2024 |
| 4 | Insider transaction | May 15, 2024 | May 14, 2024 |
| 4 | Insider transaction | May 15, 2024 | May 14, 2024 |
| 4 | Insider transaction | May 15, 2024 | May 14, 2024 |
| 4 | Insider transaction | May 15, 2024 | May 14, 2024 |
| 4 | Insider transaction | May 15, 2024 | May 14, 2024 |
| 4 | Insider transaction | May 15, 2024 | May 14, 2024 |
| 4 | Insider transaction | May 15, 2024 | May 14, 2024 |
| 4 | Insider transaction | May 15, 2024 | May 14, 2024 |
| 4 | Insider transaction | May 15, 2024 | May 14, 2024 |
| 4 | Insider transaction | May 15, 2024 | May 14, 2024 |
| 4 | Insider transaction | May 15, 2024 | May 14, 2024 |
| 144 | Notice of proposed sale | May 14, 2024 | — |
| 4 | Insider transaction | May 9, 2024 | May 8, 2024 |
| 4 | Insider transaction | May 9, 2024 | May 8, 2024 |
| 4 | Insider transaction | May 9, 2024 | May 8, 2024 |
| 4 | Insider transaction | May 9, 2024 | May 8, 2024 |
| 4 | Insider transaction | May 9, 2024 | May 8, 2024 |
| 4 | Insider transaction | Apr 23, 2024 | Apr 22, 2024 |
| SC 13D | Ownership over 5% (active) | Apr 8, 2024 | — |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| 144 | Notice of proposed sale | Feb 26, 2024 | — |
| 4 | Insider transaction | Feb 20, 2024 | Feb 16, 2024 |
| 4 | Insider transaction | Feb 20, 2024 | Feb 16, 2024 |
| 4 | Insider transaction | Feb 20, 2024 | Feb 16, 2024 |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| 4 | Insider transaction | Feb 7, 2024 | Feb 6, 2024 |
| 3 | Initial insider ownership | Feb 5, 2024 | Feb 1, 2024 |
| SC 13G | Ownership over 5% (passive) | Jan 30, 2024 | — |
| 4 | Insider transaction | Jan 12, 2024 | Jan 11, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 8, 2024 | — |
| 4 | Insider transaction | Dec 15, 2023 | Dec 14, 2023 |
| 144 | Notice of proposed sale | Dec 14, 2023 | — |
| 4 | Insider transaction | Dec 11, 2023 | Dec 8, 2023 |
| 4 | Insider transaction | Dec 8, 2023 | Dec 6, 2023 |
| 144 | Notice of proposed sale | Dec 6, 2023 | — |
| 4 | Insider transaction | Nov 13, 2023 | Nov 10, 2023 |
| 144 | Notice of proposed sale | Nov 13, 2023 | — |
| 4 | Insider transaction | Sep 1, 2023 | Aug 30, 2023 |
| 4 | Insider transaction | Jun 23, 2023 | Jun 22, 2023 |
| 4 | Insider transaction | Jun 23, 2023 | Jun 22, 2023 |
| 4 | Insider transaction | Jun 23, 2023 | Jun 22, 2023 |
| 4 | Insider transaction | May 19, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 19, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 19, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 19, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 9, 2023 | May 5, 2023 |
| 4 | Insider transaction | May 9, 2023 | May 5, 2023 |
| 4 | Insider transaction | May 9, 2023 | May 8, 2023 |
| 4 | Insider transaction | May 9, 2023 | May 5, 2023 |
| 4 | Insider transaction | May 9, 2023 | May 5, 2023 |
| 3 | Initial insider ownership | May 8, 2023 | May 3, 2023 |
| 4 | Insider transaction | Apr 28, 2023 | Apr 26, 2023 |
| 4 | Insider transaction | Apr 28, 2023 | Apr 26, 2023 |
| 4 | Insider transaction | Apr 28, 2023 | Apr 26, 2023 |
| 4 | Insider transaction | Apr 28, 2023 | Apr 26, 2023 |
| 4 | Insider transaction | Apr 28, 2023 | Apr 26, 2023 |
| 4 | Insider transaction | Apr 28, 2023 | Apr 26, 2023 |
| 4 | Insider transaction | Apr 28, 2023 | Apr 26, 2023 |
| 4 | Insider transaction | Apr 21, 2023 | Apr 21, 2023 |
| 4 | Insider transaction | Feb 24, 2023 | Feb 23, 2023 |
| 4 | Insider transaction | Feb 24, 2023 | Feb 23, 2023 |
| 4 | Insider transaction | Feb 24, 2023 | Feb 23, 2023 |
| 4 | Insider transaction | Feb 24, 2023 | Feb 23, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 22, 2023 | — |
| 4 | Insider transaction | Feb 21, 2023 | Feb 17, 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
- Aircraft Parts & Auxiliary Equipment, NEC (SIC 3728)
- Listed as
- DCO (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Costa Mesa, CA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 30305
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.