The page is the record's research on the issuer — no analyst, no rating, no view. # QWEST CORP (NASDAQ: CTHH) — research page As of 2026-11-08 · us-cm-kg · record version 1 ## Identity and listing QWEST CORP is listed on NASDAQ under ticker CTHH, ISIN US74913G8574, LEI 549300R2L4N683OO1509. Security type is Corporate. Segment is not on the record. Sector is 4813 Telephone Communications (No Radiotelephone). Jurisdiction is United States, Colorado. Listing status is listed, not halted. ## The disclosure read The record holds 30 filings in the window 2025-11-08 to 2026-11-08, on 17 filing days. By type: 6 corporate news, 3 director change, 3 halt suspension, 3 prospectus, 13 regulatory filing, 2 results. The median gap between filing days is 8.0 days, against 6.0 days for NASDAQ and 6.0 days for the sector. Days from the latest filing to the record date are 34, against a NASDAQ median of 5.0 and a sector median of 4. The latest filing is dated 2026-10-05 and is a regulatory filing. Median filings in the window are 52 for NASDAQ and 78 for the sector. ## Auditor The auditor of record is KPMG LLP, Denver, Colorado. The record holds no auditor changes. ## Events and halts Dated lifecycle lines on the record: listing on 2026-06-11, 2026-06-12, 2026-10-05 and 2026-10-05; delisting on 2026-04-30 and 2026-10-05. No name change is on the record. Domicile change is not on the record, as EDGAR states no dated change of state of incorporation on a filing line. Segment move is not on the record, as 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. Rule version is acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, chapter as of 2026-11-04. ## Coverage No research houses were found on the issuer's investor-relations pages read. The count is 0. ## Open research No openly published research notes were found on the record. 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 Issuer years sealed are 2021, 2022, 2023, 2024, 2025 and 2026. The market's vintage is sealed, with earliest sealed date 2021-01-04. The live record began 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/CIK0000068622.json (identity.jurisdiction) - https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei) - https://mcp.us-cm-kg.ai/events/NASDAQ/CTHH (the disclosure lines) - https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag) - https://www.sec.gov/Archives/edgar/data/68622/000006862226000005/lumn-20251231.htm (the auditor) - https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter) - https://mcp.us-cm-kg.ai/record/NASDAQ/CTHH (the record) --- Allooloo Technologies Corp. · https://getresearch.ai/us/NASDAQ/CTHH · public-record only · the same page signed and receipted: get_research at https://mcp.getresearch.ai/mcp