The page is the record's research on the issuer — no analyst, no rating, no view. # DUCOMMUN INC /DE/ (NYSE: DCO) — research page As of 2026-11-08 · us-cm-kg · record version 1 ## Identity and listing The issuer is DUCOMMUN INC /DE/, listed on NYSE under ticker DCO, with ISIN US2641471097 and LEI 549300Z71HMWF90S2214. Its security type is Corporate and its segment is not on the record. Its sector is 3728 Aircraft Parts & Auxiliary Equipment, NEC and its jurisdiction is United States, Delaware. Its listing status is listed, not halted. ## The disclosure read The record holds 80 filings in the twelve months to 2026-11-08, across 40 filing days. The median gap between filing days is 3 days, against 6.0 days for NYSE and 5.0 days for the sector. The latest filing is dated 2026-11-05 and is of type results, 3 days before the record date, against a latency median of 4.0 days for NYSE and 4.0 days for the sector. Of the 80 filings, 39 are directors_dealings, 24 are regulatory_filing, 9 are results, 3 are agm_egm, 2 are corporate_news, and 1 each are ad_hoc, director_change and prospectus. The exchange median is 64.0 filings and the sector median is 45.5 filings. ## Auditor The auditor of record is PricewaterhouseCoopers LLP, located in Irvine, California. The record holds no auditor changes. ## Events and halts The record holds no listing, delisting or name change lines. Domicile change is not on the record, since EDGAR states no dated change of state of incorporation on a filing line. Segment move is not on the record, since the exchanges' tier transfers are not EDGAR filings. The halt flag reads listed, not halted. ## Orderability The outcome is not determinable. The chapter's orderability section carries no client categories, so the outcome cannot name its client category. The rule version is acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, and the chapter is as of 2026-11-04. ## Coverage No research houses were found on the investor-relations pages read. The count is 0. ## Open research No openly published research notes were found. The count is 0. ## Licensed Licensed research: none loaded. A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded. ## As-of depth The record is sealed for the issuer in the years 2021, 2022, 2023, 2024, 2025 and 2026. The market's earliest sealed date is 2021-01-04. The live record began on 2026-09-12. ## Sources 9 source pages are named on this page; every value above carries its own source page and read date in the numbers. - https://www.sec.gov/files/company_tickers_exchange.json (identity.exchange) - https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data (identity.isin) - https://data.sec.gov/submissions/CIK0000030305.json (identity.jurisdiction) - https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei) - https://mcp.us-cm-kg.ai/events/NYSE/DCO (the disclosure lines) - https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag) - https://www.sec.gov/Archives/edgar/data/30305/000162828026011952/dco-20251231.htm (the auditor) - https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter) - https://mcp.us-cm-kg.ai/record/NYSE/DCO (the record) --- Allooloo Technologies Corp. · https://getresearch.ai/us/NYSE/DCO · public-record only · the same page signed and receipted: get_research at https://mcp.getresearch.ai/mcp