Ducommun Inc /DE/ SEC filings DCO

Ducommun Inc /DE/ has 1,008 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 Nov 5, 2026, covering the quarter ended Oct 3, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations). The company's fiscal year ends on December 31.

Ducommun Inc /DE/ SEC filings
Form Description Filed Period
10-Q Quarterly report Nov 5, 2026 Oct 3, 2026
8-K Current report
Results of operations
Nov 5, 2026 Nov 5, 2026
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 —
10-Q Quarterly report Aug 6, 2026 Jul 4, 2026
8-K Current report
Results of operations
Aug 6, 2026 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
SD Specialized disclosure (conflict minerals) May 21, 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
S-8 Employee stock plan registration May 12, 2026 —
SCHEDULE 13G Ownership over 5% (passive) May 12, 2026 —
10-Q Quarterly report May 12, 2026 Apr 4, 2026
8-K Current report
Results of operations
May 12, 2026 May 12, 2026
10-K/A Amended annual report May 8, 2026 Dec 31, 2025
3 Initial insider ownership May 5, 2026 May 4, 2026
8-K Current report
Officer or director change, Regulation FD disclosure
May 4, 2026 May 4, 2026
8-K Current report
Restatement
May 1, 2026 May 1, 2026
8-K Current report
Shareholder vote results
Apr 30, 2026 Apr 29, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) Apr 9, 2026 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Mar 26, 2026 —
DEFA14A Additional proxy material Mar 13, 2026 —
DEF 14A Proxy statement Mar 13, 2026 Apr 29, 2026
ARS Annual report to shareholders Mar 13, 2026 Dec 31, 2025
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 —
10-K Annual report Feb 26, 2026 Dec 31, 2025
8-K Current report
Results of operations
Feb 26, 2026 Feb 26, 2026
8-K Current report
Regulation FD disclosure
Jan 9, 2026 Jan 7, 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 —
8-K Current report
Material agreement, New debt, Other events
Dec 1, 2025 Nov 24, 2025
4 Insider transaction Nov 17, 2025 Nov 14, 2025
S-3ASR Automatic shelf registration 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 —
8-K Current report
Results of operations
Nov 6, 2025 Nov 6, 2025
10-Q Quarterly report Nov 6, 2025 Sep 27, 2025
8-K Current report
Material agreement, Regulation FD disclosure
Oct 9, 2025 Oct 3, 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 —
10-Q Quarterly report Aug 7, 2025 Jun 28, 2025
8-K Current report
Results of operations
Aug 7, 2025 Aug 7, 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
SD Specialized disclosure (conflict minerals) May 16, 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 —
10-Q Quarterly report May 6, 2025 Mar 29, 2025
8-K Current report
Results of operations
May 6, 2025 May 6, 2025
8-K Current report
Shareholder vote results
May 2, 2025 Apr 30, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) Apr 24, 2025 —
4 Insider transaction Apr 23, 2025 Apr 22, 2025
DEFA14A Additional proxy material Mar 14, 2025 —
DEF 14A Proxy statement Mar 14, 2025 Apr 30, 2025
ARS Annual report to shareholders Mar 14, 2025 Dec 31, 2024
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
10-K Annual report Feb 27, 2025 Dec 31, 2024
8-K Current report
Results of operations
Feb 27, 2025 Feb 27, 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
10-Q Quarterly report Nov 7, 2024 Sep 28, 2024
8-K Current report
Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure
Nov 7, 2024 Nov 5, 2024
8-K Current report
Results of operations
Nov 7, 2024 Nov 7, 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 —
10-Q Quarterly report Aug 8, 2024 Jun 29, 2024
8-K Current report
Results of operations
Aug 8, 2024 Aug 8, 2024
8-K Current report
Regulation FD disclosure
Jul 25, 2024 Jul 25, 2024
8-K Current report
Regulation FD disclosure
Jul 18, 2024 Jul 18, 2024
SC 13D/A Amended ownership over 5% (active) Jul 17, 2024 —
UPLOAD Letter from the SEC Jul 8, 2024 —
CORRESP Letter to the SEC Jul 2, 2024 —
8-K Current report
Bylaw or fiscal year change
Jun 28, 2024 Jun 28, 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
UPLOAD Letter from the SEC Jun 20, 2024 —
4 Insider transaction Jun 18, 2024 Jun 17, 2024
SD Specialized disclosure (conflict minerals) May 23, 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 —
CORRESP Letter to the SEC May 13, 2024 —
8-K Current report
Material agreement, Agreement ended
May 10, 2024 May 9, 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
10-Q Quarterly report May 8, 2024 Mar 30, 2024
8-K Current report
Results of operations
May 8, 2024 May 8, 2024
UPLOAD Letter from the SEC Apr 29, 2024 —
S-8 Employee stock plan registration Apr 25, 2024 —
8-K Current report
Officer or director change, Shareholder vote results
Apr 25, 2024 Apr 24, 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.

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

Other Aircraft Parts & Auxiliary Equipment, NEC companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.