The page is the record's research on the issuer — no analyst, no rating, no view. # CIENA CORP (NYSE: CIEN) — research page As of 2026-11-08 · us-cm-kg · record version 1 ## Identity and listing The issuer is CIENA CORP, listed on the NYSE under ticker CIEN, with ISIN US1717793095 and LEI W0CZ7N0GH8UIGXDM1H41. Its security type is Corporate, its sector is 3661 Telephone & Telegraph Apparatus, and its jurisdiction is United States, Maryland. Segment is not on the record. Status: listed, not halted. ## The disclosure read The record holds 203 filings in the twelve months to 2026-11-08, across 84 filing days. The median gap between filing days is 3 days. The latest filing is dated 2026-11-04, four days before the record date, and is of type directors_dealings. Of the filings, 126 are directors_dealings, 63 regulatory_filing, 8 results, 3 agm_egm, 2 corporate_news and 1 director_change. The NYSE median is 64.0 filings, a median cadence gap of 6.0 days and a median latency of 4.0 days across 3256 issuers. The sector median is 58.0 filings, a median cadence gap of 5.5 days and a median latency of 3.5 days across 8 issuers. ## Auditor The auditor of record is PricewaterhouseCoopers LLP, located in Baltimore, Maryland. The record holds no auditor changes. ## Events and halts The record holds no listing, delisting or name change lines. Domicile change: not on the record (EDGAR states no dated change of state of incorporation on a filing line). Segment move: not on the record (the exchanges' tier transfers are not EDGAR filings). Halt flag: 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 issuer's investor-relations page. ## Open research No openly published research notes were found on the record. ## 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 sealed years that hold the issuer are 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/CIK0000936395.json (identity.jurisdiction) - https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei) - https://mcp.us-cm-kg.ai/events/NYSE/CIEN (the disclosure lines) - https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag) - https://www.sec.gov/Archives/edgar/data/936395/000162828025056698/cien-20251101.htm (the auditor) - https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter) - https://mcp.us-cm-kg.ai/record/NYSE/CIEN (the record) --- Allooloo Technologies Corp. · https://getresearch.ai/us/NYSE/CIEN · public-record only · the same page signed and receipted: get_research at https://mcp.getresearch.ai/mcp