The page is the record's research on the issuer — no analyst, no rating, no view. # ISDN HOLDINGS (Main Board: 01656) — research page As of 2026-11-04 · hk-cm-kg · record version 1 ## Identity and listing ISDN HOLDINGS is listed on the Main Board of the Hong Kong market under ticker 01656. Its ISIN is SG1S48927937 and its LEI is not on the record. Its security type is Corporate and its status is listed, not halted; segment, sector and jurisdiction are not on the record. ## The disclosure read The record holds 65 filings across 39 filing days in the window 2025-11-04 to 2026-11-04. The median gap between filing days is 7.5 days, against 9.0 days for the Main Board median of 2,472 issuers. Days from the latest filing to the record date are 1, against a Main Board median of 2.0 days, and the median filings for the Main Board is 46.0. The latest filing is a monthly return dated 2026-11-03. Sector peer figures are not on the record. ## Auditor The auditor of record is Moore Stephens LLP, whose location is not on the record. Auditor changes are not on the record. ## Events and halts Listing, delisting, name change, domicile change and segment move are not on the record. The record shows the issuer as listed, not halted. ## Orderability The outcome is not determinable for this issuer, because the chapter's orderability section carries no client categories. The rule version is acm-68000/hk/suitability-sfc-code-of-conduct-paragraph-5-2/r1, as of 2026-11-04. ## Coverage No research houses were found on the issuer's investor-relations pages read. ## 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 market's vintage is not sealed. The issuer has no sealed years, and the live record began on 2026-09-12. Years 2021 to 2026 are sealed in the store but are not served as of a date, and the as-of door answers not_sealed. ## Sources 6 source pages are named on this page; every value above carries its own source page and read date in the numbers. - https://www.hkex.com.hk/eng/services/trading/securities/securitieslists/ListOfSecurities.xlsx (identity.exchange) - https://mcp.hk-cm-kg.ai/events/HKEX/01656 (the disclosure lines) - https://www.hkex.com.hk/eng/stat/smstat/dayquot/d261104e.htm (the halt flag) - https://www1.hkexnews.hk/listedco/listconews/sehk/2026/0330/2026033000111.pdf (the auditor) - https://mcp.hk-cm-kg.ai/book/aio.json (the orderability chapter) - https://mcp.hk-cm-kg.ai/record/HKEX/01656 (the record) --- Allooloo Technologies Corp. · https://getresearch.ai/hk/HKEX/01656 · public-record only · the same page signed and receipted: get_research at https://mcp.getresearch.ai/mcp