The page is the record's research on the issuer — no analyst, no rating, no view. # 4BASEBIO PLC (AIM: 4BB) — research page As of 2026-11-06 · uk-cm-kg · record version 1 ## Identity and listing The issuer is 4BASEBIO PLC, listed on AIM under ticker 4BB, with ISIN GB00BMCLYF79 and LEI 213800E2DX9EAIUNCB30. Its security type is Corporate, its segment is ASQ1, its sector is Pharmaceuticals and Biotechnology [201030], and its jurisdiction is England and Wales (Companies House jurisdiction field). The record holds its status as listed, not halted. ## The disclosure read The record holds 41 filings across 28 filing days in the window 2025-11-06 to 2026-11-06. The median gap between filing days is 6 days. The latest filing is dated 2026-11-06 and is of type agm_record_date, which is 0 days before the record date of 2026-11-06. The exchange median is 7.0 days of cadence and 4 days of latency across 594 issuers, with a median of 33.5 filings. The sector median is 6.0 days of cadence and 4.0 days of latency across 51 issuers, with a median of 42 filings. The issuer's 41 filings are above the exchange median and below the sector median of 42. ## Auditor The auditor of record is Crowe U.K. LLP. Its location is not on the record. Auditor changes are not on the record, as the market's register has no lifecycle type map yet. ## Events and halts Listing, delisting, name change, domicile change and segment move are not on the record, as the market's register has no lifecycle type map yet. The halt flag is listed, not halted. ## Orderability For elective professional client, the outcome is signal ACM-200, determinable. For eligible counterparty, the outcome is signal ACM-200, determinable. The rule version is acm-68000/uk/product-governance-fca-prod-sourcebook/r1, with the chapter as of 2026-11-04. ## Coverage The issuer's own investor-relations page names 2 research houses: Cavendish and Singer Capital Markets. ## 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 No issuer years are sealed. The market's vintage is not sealed, and no earliest sealed date is held. The live record began on 2026-09-11. The store holds 2021 through 2026 sealed, but these years are not served as of a date; the as-of door answers not_sealed. ## Sources 11 source pages are named on this page; every value above carries its own source page and read date in the numbers. - https://www.londonstockexchange.com/live-markets/market-data-dashboard/price-explorer (identity.exchange) - https://api.londonstockexchange.com/api/gw/lse/instruments/alldata/4BB (identity.isin) - https://find-and-update.company-information.service.gov.uk/company/13519889 (identity.jurisdiction) - https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei) - https://www.londonstockexchange.com/stock/4BB/4basebio-plc/company-page (identity.sector) - https://mcp.uk-cm-kg.ai/events/AIM/4BB (the disclosure lines) - https://marketsecurities.fca.org.uk/officiallist (the halt flag) - https://static1.squarespace.com/static/6800cf81ffa29d1745938e9e/t/683f5a7366ea7d1a77db175c/1748982388997/Annual-Report-2023.pdf (the auditor) - https://mcp.uk-cm-kg.ai/book/aio.json (the orderability chapter) - https://www.4basebio.com/analyst-coverage (coverage) - https://mcp.uk-cm-kg.ai/record/AIM/4BB (the record) --- Allooloo Technologies Corp. · https://getresearch.ai/uk/AIM/4BB · public-record only · the same page signed and receipted: get_research at https://mcp.getresearch.ai/mcp