{
 "as_of": "2026-11-04",
 "cmr": "hk-cm-kg/HKEX/02616",
 "fence": "The page is the record's research on the issuer — no analyst, no rating, no view.",
 "markdown": "The page is the record's research on the issuer — no analyst, no rating, no view.\n\n# CSTONE PHARMA-B (Main Board: 02616) — research page\n\nAs of 2026-11-04 · hk-cm-kg · record version 1\n\n## Identity and listing\n\nCSTONE PHARMA-B is listed on the Main Board of the Hong Kong market under ticker 02616, ISIN KYG2588M1006 and LEI 300300095A57F80T2461. Its security type is Corporate and its jurisdiction is Cayman Islands (KY). Its segment is not on the record, and its sector is not on the record. Its listing status is listed, not halted.\n\n## The disclosure read\n\nThe record holds 68 filings on 55 filing days in the window 2025-11-04 to 2026-11-04. The median gap between filing days is 4.5 days. The latest filing is dated 2026-11-04, is of type announcement, and is 0 days before the record date of 2026-11-04. The Main Board median cadence gap is 9.0 days across 2,472 issuers, and the Main Board median filing count is 46.0. The Main Board median latency is 2.0 days. Sector peer figures are not on the record for this market.\n\n## Auditor\n\nThe auditor of record is Deloitte Touche Tohmatsu, and its location is not on the record. Auditor changes are not on the record.\n\n## Events and halts\n\nListing, delisting, name change, domicile change and segment move are not on the record. The halt flag is listed, not halted.\n\n## Orderability\n\nThe orderability outcome is not determinable, 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, and the chapter is as of 2026-11-04.\n\n## Coverage\n\nNo research houses were found on the issuer's investor-relations pages read. The count is 0.\n\n## Open research\n\nNo openly published research notes were found. The count is 0.\n\n## Licensed\n\nLicensed research: none loaded. A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded.\n\n## As-of depth\n\nThe market's vintage is not sealed. The issuer has no sealed years. The live record began on 2026-09-12. Years 2021 through 2026 are sealed in the store but not served as of a date, and the as-of door answers not_sealed.\n\n## Sources\n\n8 source pages are named on this page; every value above carries its own source page and read date in the numbers.\n\n- https://www.hkex.com.hk/eng/services/trading/securities/securitieslists/ListOfSecurities.xlsx (identity.exchange)\n- https://api.gleif.org/api/v1/lei-records/300300095A57F80T2461 (identity.jurisdiction)\n- https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei)\n- https://mcp.hk-cm-kg.ai/events/HKEX/02616 (the disclosure lines)\n- https://www.hkex.com.hk/eng/stat/smstat/dayquot/d261104e.htm (the halt flag)\n- https://www1.hkexnews.hk/listedco/listconews/sehk/2026/0427/2026042701895.pdf (the auditor)\n- https://mcp.hk-cm-kg.ai/book/aio.json (the orderability chapter)\n- https://mcp.hk-cm-kg.ai/record/HKEX/02616 (the record)\n",
 "market": "HK",
 "node": "hk-cm-kg",
 "numbers": {
  "as_of_depth": {
   "issuer_years_sealed": [],
   "live_record_began": "2026-09-12",
   "node_history_from": null,
   "node_years_sealed": [],
   "note": "6 years are sealed in the HK store; their Replay split is not built, so the as-of door answers not_sealed and the record is the live record as of 2026-11-04",
   "record_version": 1,
   "sealed": false,
   "store_years_sealed_not_served": [
    "2021",
    "2022",
    "2023",
    "2024",
    "2025",
    "2026"
   ]
  },
  "auditor": {
   "auditor": {
    "read_by": "annual report 2026-04-27 (HKEXnews), Corporate Information, read by Tavily page extraction",
    "read_date": "2026-11-04",
    "read_date_basis": "the record version as_of",
    "source": "https://www1.hkexnews.hk/listedco/listconews/sehk/2026/0427/2026042701895.pdf",
    "state": "confirmed",
    "value": "Deloitte Touche Tohmatsu"
   },
   "auditor_firm_id": {
    "market": "HK",
    "state": "not_on_record"
   },
   "auditor_location": {
    "market": "HK",
    "state": "not_on_record"
   },
   "changes": {
    "market": "HK",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   }
  },
  "cmr": "hk-cm-kg/HKEX/02616",
  "coverage": {
   "count": 0,
   "houses": [],
   "pages_checked": [],
   "read_by": "Perplexity sonar (search) · page read by this rail",
   "read_date": "2026-11-12",
   "since": null,
   "state": "none_found"
  },
  "disclosure": {
   "against": {
    "exchange": {
     "issuers": 2472,
     "median_cadence_gap_days": 9,
     "median_filings": 46,
     "median_latency_days": 2,
     "name": "Main Board"
    },
    "sector": {
     "market": "HK",
     "state": "not_on_record"
    }
   },
   "by_type": {
    "agm_egm": 5,
    "announcement": 31,
    "annual_report": 1,
    "circular": 3,
    "director_change": 1,
    "esg_report": 1,
    "interim_report": 1,
    "monthly_return": 12,
    "next_day_disclosure": 11,
    "results": 2
   },
   "cadence_median_gap_days": 4.5,
   "filing_days": 55,
   "filings": 68,
   "latency_days": 0,
   "latest": [
    {
     "category": null,
     "date": "2026-11-04",
     "source": "https://www1.hkexnews.hk/listedco/listconews/sehk/2026/1104/2026110400027.pdf",
     "title": "VOLUNTARY ANNOUNCEMENT - CSTONE AND KIMIA THERAPEUTICS ENTER CLINICAL DEVELOPMENT COLLABORATION TO ADVANCE A NOVEL DRUG CANDIDATE TARGETING REPAIR PATHWAYS CRITICAL FOR SOLID TUMOR SURVIVAL",
     "type": "announcement"
    },
    {
     "category": null,
     "date": "2026-10-25",
     "source": "https://www1.hkexnews.hk/listedco/listconews/sehk/2026/1025/2026102500013.pdf",
     "title": "VOLUNTARY ANNOUNCEMENT - CSTONE ANNOUNCES MAJOR CLINICAL VALIDATION MILESTONE FOR CS2009 AT ESMO 2026: DATA FROM MORE THAN 300 PATIENTS SUPPORT MECHANISM, SAFETY AND BROAD ANTITUMOR ACTIVITY",
     "type": "announcement"
    },
    {
     "category": null,
     "date": "2026-10-07",
     "source": "https://www1.hkexnews.hk/listedco/listconews/sehk/2026/1007/2026100700662.pdf",
     "title": "MONTHLY RETURN OF EQUITY ISSUER ON MOVEMENTS IN SECURITIES FOR THE MONTH ENDED 30 SEPTEMBER 2026",
     "type": "monthly_return"
    },
    {
     "category": null,
     "date": "2026-09-28",
     "source": "https://www1.hkexnews.hk/listedco/listconews/sehk/2026/0928/2026092801889.pdf",
     "title": "INTERIM REPORT 2026",
     "type": "interim_report"
    },
    {
     "category": null,
     "date": "2026-09-24",
     "source": "https://www1.hkexnews.hk/listedco/listconews/sehk/2026/0924/2026092401595.pdf",
     "title": "VOLUNTARY ANNOUNCEMENT - INCREASE IN SHAREHOLDING BY CEO AND EXECUTIVE DIRECTOR DR. JIANXIN YANG BY 496,000 SHARES, WITH ACCUMULATED PURCHASE TOTALING 14,210,500 SHARES",
     "type": "announcement"
    }
   ],
   "latest_filing_date": "2026-11-04",
   "read": "the node's event lines (list_events_since), as get_filings serves them",
   "source": "https://mcp.hk-cm-kg.ai/events/HKEX/02616",
   "window": {
    "from": "2025-11-04",
    "to": "2026-11-04"
   }
  },
  "identity": {
   "exchange": {
    "read_by": "HKEX List of Securities (ListOfSecurities.xlsx)",
    "read_date": "2026-11-04",
    "read_date_basis": "the record version as_of",
    "source": "https://www.hkex.com.hk/eng/services/trading/securities/securitieslists/ListOfSecurities.xlsx",
    "state": "sourced",
    "value": "Main Board"
   },
   "isin": {
    "read_by": "HKEX List of Securities (ListOfSecurities.xlsx)",
    "read_date": "2026-11-04",
    "read_date_basis": "the record version as_of",
    "source": "https://www.hkex.com.hk/eng/services/trading/securities/securitieslists/ListOfSecurities.xlsx",
    "state": "sourced",
    "value": "KYG2588M1006"
   },
   "jurisdiction": {
    "read_by": "GLEIF LEI record (LEI per the LEI column) (legal jurisdiction)",
    "read_date": "2026-11-04",
    "read_date_basis": "the record version as_of",
    "source": "https://api.gleif.org/api/v1/lei-records/300300095A57F80T2461",
    "state": "sourced",
    "value": "Cayman Islands (KY)"
   },
   "lei": {
    "read_by": "GLEIF ISIN-to-LEI mapping file (daily), LEI by exact ISIN",
    "read_date": "2026-11-04",
    "read_date_basis": "the field",
    "source": "https://mapping.gleif.org/api/v2/isin-lei/latest/download (ISIN KYG2588M1006)",
    "state": "sourced",
    "value": "300300095A57F80T2461"
   },
   "name": {
    "read_by": "HKEX List of Securities (ListOfSecurities.xlsx)",
    "read_date": "2026-11-04",
    "read_date_basis": "the record version as_of",
    "source": "https://www.hkex.com.hk/eng/services/trading/securities/securitieslists/ListOfSecurities.xlsx",
    "state": "sourced",
    "value": "CSTONE PHARMA-B"
   },
   "sector": {
    "market": "HK",
    "reason": "HKEX publishes the industry classification per issuer on its website pages, not in the List of Securities (no page reads by order)",
    "state": "not_on_record"
   },
   "security_type": {
    "read_by": "HKEX List of Securities (ListOfSecurities.xlsx)",
    "read_date": "2026-11-04",
    "read_date_basis": "the record version as_of",
    "source": "https://www.hkex.com.hk/eng/services/trading/securities/securitieslists/ListOfSecurities.xlsx",
    "state": "sourced",
    "value": "Corporate"
   },
   "segment": {
    "market": "HK",
    "state": "not_on_record"
   },
   "ticker": {
    "read_by": "HKEX List of Securities (ListOfSecurities.xlsx)",
    "read_date": "2026-11-04",
    "read_date_basis": "the record version as_of",
    "source": "https://www.hkex.com.hk/eng/services/trading/securities/securitieslists/ListOfSecurities.xlsx",
    "state": "sourced",
    "value": "02616"
   },
   "website": {
    "market": "HK",
    "state": "not_on_record"
   }
  },
  "licensed": {
   "columns": [
    "licensor",
    "entitlement",
    "title",
    "date",
    "source"
   ],
   "rows": [],
   "rule": "A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded."
  },
  "lifecycle": {
   "delisting": {
    "market": "HK",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   },
   "domicile_change": {
    "market": "HK",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   },
   "listing": {
    "market": "HK",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   },
   "name_change": {
    "market": "HK",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   },
   "segment_move": {
    "market": "HK",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   }
  },
  "market": "HK",
  "node": "hk-cm-kg",
  "numbers_hash": "sha256:4af2f735d9e948d32bdb6f7b6c6a3743e3c6f9515588bf1401d49212c499e702",
  "open_research": {
   "read_date": "2026-11-12",
   "rows": [],
   "state": "none_found"
  },
  "orderability": {
   "chapter_as_of": "2026-11-04",
   "client_categories": [],
   "determinable": false,
   "read": {
    "chapter": "https://mcp.hk-cm-kg.ai/book/aio.json",
    "door": "https://mcp.hk-cm-kg.ai/mcp",
    "tool": "get_orderability"
   },
   "reason": "the chapter's orderability section carries no client_categories: the outcome cannot name its client category",
   "rule_version": "acm-68000/hk/suitability-sfc-code-of-conduct-paragraph-5-2/r1",
   "section": "hk.aio.v6"
  },
  "record": {
   "as_of": "2026-11-04",
   "url": "https://mcp.hk-cm-kg.ai/record/HKEX/02616",
   "version": 1
  },
  "schema": "research-numbers v0.1 (USR-01, 2026-11-11)",
  "status": {
   "read_date": "2026-11-04",
   "source": "https://www.hkex.com.hk/eng/stat/smstat/dayquot/d261104e.htm",
   "value": "listed, not halted"
  }
 },
 "numbers_hash": "sha256:4af2f735d9e948d32bdb6f7b6c6a3743e3c6f9515588bf1401d49212c499e702",
 "path": "/hk/HKEX/02616",
 "schema": "research-page v0.1 (USR-02, 2026-11-11)",
 "sections": [
  {
   "id": "identity",
   "text": "CSTONE PHARMA-B is listed on the Main Board of the Hong Kong market under ticker 02616, ISIN KYG2588M1006 and LEI 300300095A57F80T2461. Its security type is Corporate and its jurisdiction is Cayman Islands (KY). Its segment is not on the record, and its sector is not on the record. Its listing status is listed, not halted.",
   "title": "Identity and listing"
  },
  {
   "id": "disclosure",
   "text": "The record holds 68 filings on 55 filing days in the window 2025-11-04 to 2026-11-04. The median gap between filing days is 4.5 days. The latest filing is dated 2026-11-04, is of type announcement, and is 0 days before the record date of 2026-11-04. The Main Board median cadence gap is 9.0 days across 2,472 issuers, and the Main Board median filing count is 46.0. The Main Board median latency is 2.0 days. Sector peer figures are not on the record for this market.",
   "title": "The disclosure read"
  },
  {
   "id": "auditor",
   "text": "The auditor of record is Deloitte Touche Tohmatsu, and its location is not on the record. Auditor changes are not on the record.",
   "title": "Auditor"
  },
  {
   "id": "events",
   "text": "Listing, delisting, name change, domicile change and segment move are not on the record. The halt flag is listed, not halted.",
   "title": "Events and halts"
  },
  {
   "id": "orderability",
   "text": "The orderability outcome is not determinable, 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, and the chapter is as of 2026-11-04.",
   "title": "Orderability"
  },
  {
   "id": "coverage",
   "text": "No research houses were found on the issuer's investor-relations pages read. The count is 0.",
   "title": "Coverage"
  },
  {
   "id": "open_research",
   "text": "No openly published research notes were found. The count is 0.",
   "title": "Open research"
  },
  {
   "id": "licensed",
   "text": "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.",
   "title": "Licensed"
  },
  {
   "id": "depth",
   "text": "The market's vintage is not sealed. The issuer has no sealed years. The live record began on 2026-09-12. Years 2021 through 2026 are sealed in the store but not served as of a date, and the as-of door answers not_sealed.",
   "title": "As-of depth"
  },
  {
   "id": "sources",
   "text": "8 source pages are named on this page; every value above carries its own source page and read date in the numbers.",
   "title": "Sources"
  }
 ],
 "sources": [
  {
   "for": "identity.exchange",
   "source": "https://www.hkex.com.hk/eng/services/trading/securities/securitieslists/ListOfSecurities.xlsx"
  },
  {
   "for": "identity.jurisdiction",
   "source": "https://api.gleif.org/api/v1/lei-records/300300095A57F80T2461"
  },
  {
   "for": "identity.lei",
   "source": "https://mapping.gleif.org/api/v2/isin-lei/latest/download"
  },
  {
   "for": "the disclosure lines",
   "source": "https://mcp.hk-cm-kg.ai/events/HKEX/02616"
  },
  {
   "for": "the halt flag",
   "source": "https://www.hkex.com.hk/eng/stat/smstat/dayquot/d261104e.htm"
  },
  {
   "for": "the auditor",
   "source": "https://www1.hkexnews.hk/listedco/listconews/sehk/2026/0427/2026042701895.pdf"
  },
  {
   "for": "the orderability chapter",
   "source": "https://mcp.hk-cm-kg.ai/book/aio.json"
  },
  {
   "for": "the record",
   "source": "https://mcp.hk-cm-kg.ai/record/HKEX/02616"
  }
 ],
 "title": "CSTONE PHARMA-B (02616) — research page",
 "writer": {
  "by": "Claude through the platform account, Haiku class; one pass; checked against the numbers",
  "engine": "claude-haiku-5-5"
 }
}