The page is the record's research on the issuer — no analyst, no rating, no view. # Ecovyst Inc. (NYSE: ECVT) — research page As of 2026-11-08 · us-cm-kg · record version 1 ## Identity and listing The issuer is Ecovyst Inc., listed on NYSE under ticker ECVT, with ISIN US27923Q1094. The LEI is not on the record (no GLEIF record with the exact legal name in jurisdiction US-DE). The security type is Corporate, the sector is 2800 Chemicals & Allied Products, and the jurisdiction is United States, Delaware. The segment is not on the record. The listing status is listed, not halted. ## The disclosure read The record holds 53 filings in the twelve months to 2026-11-08, across 34 filing days. The median gap between filing days is 8 days, against an exchange median of 6.0 days and a sector median of 5.5 days. The latest filing is dated 2026-11-05 and is of type results, 3 days before the record date. The exchange median latency is 4.0 days and the sector median latency is 4.0 days. The exchange median filings count is 64.0 and the sector median is 66.5; the issuer's 53 filings are below both. ## Auditor The auditor of record is PricewaterhouseCoopers LLP, located in Philadelphia, Pennsylvania. The record holds no auditor changes. ## Events and halts The record holds no listing, delisting or name change lines. The domicile change is not on the record (EDGAR states no dated change of state of incorporation on a filing line). The segment move is not on the record (the exchanges' tier transfers are not EDGAR filings). The halt flag is listed, not halted. ## Orderability The outcome is not determinable under rule version acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, as of chapter date 2026-11-04. The chapter's orderability section carries no client categories, so the outcome cannot name its client category. ## 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 The sealed years holding 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 8 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/CIK0001708035.json (identity.jurisdiction) - https://mcp.us-cm-kg.ai/events/NYSE/ECVT (the disclosure lines) - https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag) - https://www.sec.gov/Archives/edgar/data/1708035/000170803526000053/ecvt-20251231.htm (the auditor) - https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter) - https://mcp.us-cm-kg.ai/record/NYSE/ECVT (the record) --- Allooloo Technologies Corp. · https://getresearch.ai/us/NYSE/ECVT · public-record only · the same page signed and receipted: get_research at https://mcp.getissuer.ai/mcp