The page is the record's research on the issuer — no analyst, no rating, no view. # PERMA FIX ENVIRONMENTAL SERVICES INC (NASDAQ: PESI) — research page As of 2026-11-08 · us-cm-kg · record version 1 ## Identity and listing The issuer is PERMA FIX ENVIRONMENTAL SERVICES INC, listed on NASDAQ under ticker PESI. Its ISIN is US7141572039 and its LEI is 54930015OVD1T5P12U15. Its security type is Corporate, its segment is not on the record, its sector is 4955 Hazardous Waste Management, and its jurisdiction is United States, Delaware. Its listing status is listed, not halted. ## The disclosure read The record holds 66 filings in the twelve months to 2026-11-08, across 35 filing days. The median gap between filing days is 7.0 days, against a NASDAQ median of 6.0 days. The latest filing is dated 2026-11-05, 3 days before the record date, and is a results filing. The NASDAQ median latency is 5.0 days, and the median filing count is 52. The sector median is not stated, as the node holds fewer than five issuers. ## Auditor The auditor of record is GRANT THORNTON LLP, located in Atlanta, Georgia. 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, as EDGAR states no dated change of state of incorporation on a filing line. The segment move is not on the record, as the exchanges' tier transfers are not EDGAR filings. The halt flag shows listed, not halted. ## Orderability The outcome is not determinable, because the chapter's orderability section carries no client categories and 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, and the count is 0. ## Open research No openly published research notes were found, and 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 that hold the issuer are 2021, 2022, 2023, 2024, 2025 and 2026. The market's earliest sealed date is 2021-01-04, and 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/CIK0000891532.json (identity.jurisdiction) - https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei) - https://mcp.us-cm-kg.ai/events/NASDAQ/PESI (the disclosure lines) - https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag) - https://www.sec.gov/Archives/edgar/data/891532/000149315226012314/form10-k.htm (the auditor) - https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter) - https://mcp.us-cm-kg.ai/record/NASDAQ/PESI (the record) --- Allooloo Technologies Corp. · https://getresearch.ai/us/NASDAQ/PESI · public-record only · the same page signed and receipted: get_research at https://mcp.getresearch.ai/mcp