Company Analysis

Ducommun Incorporated (DCO)

NYSE: DCO · Aircraft Parts & Auxiliary Equipment, NEC · Costa Mesa, CA · filing with the SEC since 1995
Grade4.2
◀ Past 3.9● Present 5.0▶ Future 3.2

Filings

249 filings since 2017 beside 445 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due nextLarge accelerated filer
10-K Annual report for the fiscal year ending Dec 31, 2026Large accelerated filers have 60 days after the fiscal year ends. by Mar 1, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end. by May 10, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 33 days after the quarter ended. The proxy statement was last filed Mar 13, 2026.

Filings a yearinsider forms included
6370576562896672
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 4 times in the last 36 months, the newest May 4, 2026.Warning not to rely on past financial statements (8-K item 4.02): 1 time in the last 36 months, the newest May 1, 2026.SEC letters: 5 in the last 36 months, the newest Jul 8, 2024.
Insider forms 445

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 5, 2026 10-Q Quarterly report Oct 3, 2026
Nov 5, 2026 8-K items 2.02, 9.01 Results released · Current report
Oct 27, 2026 SCHEDULE 13G Large holder notice
Aug 7, 2026 SCHEDULE 13G Large holder notice
Aug 6, 2026 10-Q Quarterly report Jul 4, 2026
Aug 6, 2026 8-K items 2.02, 9.01 Results released · Current report
Aug 6, 2026 SCHEDULE 13G Large holder notice
May 21, 2026 SD Conflict minerals report
May 12, 2026 10-Q Quarterly report Apr 4, 2026
May 12, 2026 8-K items 2.02, 9.01 Results released · Current report
May 12, 2026 S-8 Employee stock plan registration
May 12, 2026 SCHEDULE 13G Large holder notice
May 8, 2026 10-K/A Annual report, amended Dec 31, 2025
May 4, 2026 8-K items 5.02, 7.01, 9.01 Officer or director change; Investor disclosure (Regulation FD) · Current report
May 1, 2026 8-K item 4.02 Warning not to rely on past financial statements · Current report
Apr 30, 2026 8-K items 5.07, 9.01 Shareholder vote · Current report Apr 29, 2026
Apr 9, 2026 SCHEDULE 13G/A Large holder update, amended
Mar 26, 2026 SCHEDULE 13G/A Large holder update, amended
Mar 13, 2026 DEFA14A Extra proxy material
Mar 13, 2026 DEF 14A Proxy statement Apr 29, 2026
Mar 13, 2026 ARS Annual report to shareholders Dec 31, 2025
Mar 10, 2026 SCHEDULE 13D/A Activist holder update, amended
Feb 26, 2026 10-K Annual report Dec 31, 2025
Feb 26, 2026 8-K items 2.02, 9.01 Results released · Current report
Jan 9, 2026 8-K item 7.01 Investor disclosure (Regulation FD) · Current report Jan 7, 2026
Dec 1, 2025 8-K items 1.01, 2.03, 8.01, 9.01 Major agreement signed; New debt or obligation taken on; Other event · Current report Nov 24, 2025
Nov 14, 2025 S-3ASR Shelf registration
Nov 6, 2025 8-K items 2.02, 9.01 Results released · Current report
Nov 6, 2025 10-Q Quarterly report Sep 27, 2025
Oct 9, 2025 8-K items 1.01, 7.01, 9.01 Major agreement signed; Investor disclosure (Regulation FD) · Current report Oct 3, 2025
Oct 9, 2025 SCHEDULE 13G/A Large holder update, amended
Aug 7, 2025 10-Q Quarterly report Jun 28, 2025
Aug 7, 2025 8-K items 2.02, 9.01 Results released · Current report
May 16, 2025 SD Conflict minerals report
May 6, 2025 10-Q Quarterly report Mar 29, 2025
May 6, 2025 8-K items 2.02, 9.01 Results released · Current report
May 2, 2025 8-K items 5.07, 9.01 Shareholder vote · Current report Apr 30, 2025
Apr 24, 2025 SCHEDULE 13G/A Large holder update, amended
Mar 14, 2025 DEFA14A Extra proxy material
Mar 14, 2025 DEF 14A Proxy statement Apr 30, 2025
40 of 249 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton DCO · research, not advice