{
 "as_of": "2026-11-06",
 "cmr": "kr-cm-kg/KOSDAQ/420570",
 "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# J2KBIO Co., Ltd. (KOSDAQ: 420570) — research page\n\nAs of 2026-11-06 · kr-cm-kg · record version 1\n\n## Identity and listing\n\nThe issuer is J2KBIO Co., Ltd., listed on KOSDAQ under ticker 420570 with ISIN KR7420570004; its LEI is not on the record, as no GLEIF record is registered under 665-86-00626. Its security type is Corporate, its segment is not on the record, its sector is 기타 화학제품 제조업, and its jurisdiction is South Korea as a DART filer with a corporate registration number. Its listing status is listed, not halted.\n\n## The disclosure read\n\nThe record holds 17 filings in the twelve months to 2026-11-06, across 10 filing days. The median gap between filing days is 27 days. The latest filing is dated 2026-08-26, a directors_dealings filing, 72 days before the record date. The exchange median is 8.0 days of cadence, 33 filings and 16.0 days of latency across 1819 issuers; the sector median is 8.2 days of cadence, 34 filings and 14.0 days of latency across 103 issuers.\n\n## Auditor\n\nThe auditor of record is 한울회계법인, with location not on the record. Auditor changes are not on the record, as the market's record does not carry them.\n\n## Events and halts\n\nListing, delisting, name change, domicile change and segment move are not on the record, as no lifecycle type map exists for this register yet. The halt flag is listed, not halted.\n\n## Orderability\n\nThe outcome is not determinable, as the chapter's orderability section carries no client_categories and so cannot name its client category. The rule version is acm-68000/kr/suitability-and-appropriateness-fscma-articles-46-and-46-2/r1, with the chapter as of 2026-11-04.\n\n## Coverage\n\nNo research houses were found on the issuer's own investor-relations page among the pages read, so the count is 0.\n\n## Open research\n\nNo openly published research notes were found on the record, so 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, and no issuer years are sealed. 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://kind.krx.co.kr/corpgeneral/corpList.do?method=download&searchType=13 (identity.exchange)\n- https://data.krx.co.kr/comm/bldAttendant/getJsonData.cmd (identity.isin)\n- https://opendart.fss.or.kr/api/company.json?corp_code=01553129 (identity.jurisdiction)\n- https://mcp.kr-cm-kg.ai/events/KOSDAQ/420570 (the disclosure lines)\n- https://kind.krx.co.kr/investwarn/tradinghaltissue.do?method=searchTradingHaltIssueMain (the halt flag)\n- https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260319000464 (the auditor)\n- https://mcp.kr-cm-kg.ai/book/aio.json (the orderability chapter)\n- https://mcp.kr-cm-kg.ai/record/KOSDAQ/420570 (the record)\n",
 "market": "KR",
 "node": "kr-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 KR store; their Replay split is not built, so the as-of door answers not_sealed and the record is the live record as of 2026-11-06",
   "record_version": 1,
   "sealed": false,
   "store_years_sealed_not_served": [
    "2021",
    "2022",
    "2023",
    "2024",
    "2025",
    "2026"
   ]
  },
  "auditor": {
   "auditor": {
    "read_by": "DART API 회계감사인의 명칭 및 감사의견 (annual report 11011, business year 2025)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260319000464",
    "state": "sourced",
    "value": "한울회계법인"
   },
   "auditor_firm_id": {
    "market": "KR",
    "state": "not_on_record"
   },
   "auditor_location": {
    "market": "KR",
    "state": "not_on_record"
   },
   "changes": {
    "market": "KR",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   }
  },
  "cmr": "kr-cm-kg/KOSDAQ/420570",
  "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": 1819,
     "median_cadence_gap_days": 8,
     "median_filings": 33,
     "median_latency_days": 16,
     "name": "KOSDAQ"
    },
    "sector": {
     "issuers": 103,
     "median_cadence_gap_days": 8.2,
     "median_filings": 34,
     "median_latency_days": 14,
     "name": "기타 화학제품 제조업"
    }
   },
   "by_type": {
    "agm_egm": 4,
    "corporate_news": 3,
    "directors_dealings": 2,
    "dividend": 2,
    "regulatory_filing": 1,
    "results": 5
   },
   "cadence_median_gap_days": 27,
   "filing_days": 10,
   "filings": 17,
   "latency_days": 72,
   "latest": [
    {
     "category": null,
     "date": "2026-08-26",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260826000584",
     "title": "임원ㆍ주요주주특정증권등소유상황보고서",
     "type": "directors_dealings"
    },
    {
     "category": null,
     "date": "2026-08-12",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260812000679",
     "title": "반기보고서 (2026.06)",
     "type": "results"
    },
    {
     "category": null,
     "date": "2026-05-14",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260514000002",
     "title": "분기보고서 (2026.03)",
     "type": "results"
    },
    {
     "category": null,
     "date": "2026-05-12",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260512000104",
     "title": "임원ㆍ주요주주특정증권등소유상황보고서",
     "type": "directors_dealings"
    },
    {
     "category": null,
     "date": "2026-03-27",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260327902099",
     "title": "기업가치제고계획(자율공시)",
     "type": "corporate_news"
    }
   ],
   "latest_filing_date": "2026-08-26",
   "read": "the node's event lines (list_events_since), as get_filings serves them",
   "source": "https://mcp.kr-cm-kg.ai/events/KOSDAQ/420570",
   "window": {
    "from": "2025-11-06",
    "to": "2026-11-06"
   }
  },
  "identity": {
   "exchange": {
    "read_by": "KIND (KRX) listed-company list (corpList.do download)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://kind.krx.co.kr/corpgeneral/corpList.do?method=download&searchType=13",
    "state": "sourced",
    "value": "KOSDAQ"
   },
   "isin": {
    "read_by": "KRX stock finder (data.krx.co.kr finder_stkisu: full_code = the KRX standard code)",
    "read_date": "2026-11-08",
    "read_date_basis": "the field",
    "source": "https://data.krx.co.kr/comm/bldAttendant/getJsonData.cmd  [POST bld=dbms/comm/finder/finder_stkisu, mktsel=ALL]",
    "state": "sourced",
    "value": "KR7420570004"
   },
   "jurisdiction": {
    "read_by": "DART company.json (company profile per corp_code, keyed API) (jurir_no)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://opendart.fss.or.kr/api/company.json?corp_code=01553129",
    "state": "sourced",
    "value": "South Korea (DART filer with a corporate registration number)"
   },
   "lei": {
    "market": "KR",
    "reason": "no GLEIF record registered as 665-86-00626",
    "state": "not_on_record"
   },
   "name": {
    "read_by": "DART company.json (company profile per corp_code, keyed API)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://opendart.fss.or.kr/api/company.json?corp_code=01553129",
    "state": "sourced",
    "value": "J2KBIO Co., Ltd."
   },
   "sector": {
    "read_by": "KIND (KRX) listed-company list (corpList.do download) (업종)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://kind.krx.co.kr/corpgeneral/corpList.do?method=download&searchType=13",
    "state": "sourced",
    "value": "기타 화학제품 제조업"
   },
   "security_type": {
    "read_by": "KIND (KRX) listed-company list (corpList.do download)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://kind.krx.co.kr/corpgeneral/corpList.do?method=download&searchType=13",
    "state": "sourced",
    "value": "Corporate"
   },
   "segment": {
    "market": "KR",
    "state": "not_on_record"
   },
   "ticker": {
    "read_by": "KIND (KRX) listed-company list (corpList.do download)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://kind.krx.co.kr/corpgeneral/corpList.do?method=download&searchType=13",
    "state": "sourced",
    "value": "420570"
   },
   "website": {
    "read_by": "KIND (KRX) listed-company list (corpList.do download)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://kind.krx.co.kr/corpgeneral/corpList.do?method=download&searchType=13",
    "state": "sourced",
    "value": "http://www.j2kbio.com"
   }
  },
  "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": "KR",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   },
   "domicile_change": {
    "market": "KR",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   },
   "listing": {
    "market": "KR",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   },
   "name_change": {
    "market": "KR",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   },
   "segment_move": {
    "market": "KR",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   }
  },
  "market": "KR",
  "node": "kr-cm-kg",
  "numbers_hash": "sha256:88b03dddc2c627ee58cb8494826489e1cfa640490b7829dabc4d0308e05aef7b",
  "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.kr-cm-kg.ai/book/aio.json",
    "door": "https://mcp.kr-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/kr/suitability-and-appropriateness-fscma-articles-46-and-46-2/r1",
   "section": "kr.aio.v5"
  },
  "record": {
   "as_of": "2026-11-06",
   "url": "https://mcp.kr-cm-kg.ai/record/KOSDAQ/420570",
   "version": 1
  },
  "schema": "research-numbers v0.1 (USR-01, 2026-11-11)",
  "status": {
   "read_date": "2026-11-08",
   "source": "https://kind.krx.co.kr/investwarn/tradinghaltissue.do?method=searchTradingHaltIssueMain",
   "value": "listed, not halted"
  }
 },
 "numbers_hash": "sha256:88b03dddc2c627ee58cb8494826489e1cfa640490b7829dabc4d0308e05aef7b",
 "path": "/kr/KOSDAQ/420570",
 "schema": "research-page v0.1 (USR-02, 2026-11-11)",
 "sections": [
  {
   "id": "identity",
   "text": "The issuer is J2KBIO Co., Ltd., listed on KOSDAQ under ticker 420570 with ISIN KR7420570004; its LEI is not on the record, as no GLEIF record is registered under 665-86-00626. Its security type is Corporate, its segment is not on the record, its sector is 기타 화학제품 제조업, and its jurisdiction is South Korea as a DART filer with a corporate registration number. Its listing status is listed, not halted.",
   "title": "Identity and listing"
  },
  {
   "id": "disclosure",
   "text": "The record holds 17 filings in the twelve months to 2026-11-06, across 10 filing days. The median gap between filing days is 27 days. The latest filing is dated 2026-08-26, a directors_dealings filing, 72 days before the record date. The exchange median is 8.0 days of cadence, 33 filings and 16.0 days of latency across 1819 issuers; the sector median is 8.2 days of cadence, 34 filings and 14.0 days of latency across 103 issuers.",
   "title": "The disclosure read"
  },
  {
   "id": "auditor",
   "text": "The auditor of record is 한울회계법인, with location not on the record. Auditor changes are not on the record, as the market's record does not carry them.",
   "title": "Auditor"
  },
  {
   "id": "events",
   "text": "Listing, delisting, name change, domicile change and segment move are not on the record, as no lifecycle type map exists for this register yet. The halt flag is listed, not halted.",
   "title": "Events and halts"
  },
  {
   "id": "orderability",
   "text": "The outcome is not determinable, as the chapter's orderability section carries no client_categories and so cannot name its client category. The rule version is acm-68000/kr/suitability-and-appropriateness-fscma-articles-46-and-46-2/r1, with the chapter as of 2026-11-04.",
   "title": "Orderability"
  },
  {
   "id": "coverage",
   "text": "No research houses were found on the issuer's own investor-relations page among the pages read, so the count is 0.",
   "title": "Coverage"
  },
  {
   "id": "open_research",
   "text": "No openly published research notes were found on the record, so 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, and no issuer years are sealed. 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://kind.krx.co.kr/corpgeneral/corpList.do?method=download&searchType=13"
  },
  {
   "for": "identity.isin",
   "source": "https://data.krx.co.kr/comm/bldAttendant/getJsonData.cmd"
  },
  {
   "for": "identity.jurisdiction",
   "source": "https://opendart.fss.or.kr/api/company.json?corp_code=01553129"
  },
  {
   "for": "the disclosure lines",
   "source": "https://mcp.kr-cm-kg.ai/events/KOSDAQ/420570"
  },
  {
   "for": "the halt flag",
   "source": "https://kind.krx.co.kr/investwarn/tradinghaltissue.do?method=searchTradingHaltIssueMain"
  },
  {
   "for": "the auditor",
   "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260319000464"
  },
  {
   "for": "the orderability chapter",
   "source": "https://mcp.kr-cm-kg.ai/book/aio.json"
  },
  {
   "for": "the record",
   "source": "https://mcp.kr-cm-kg.ai/record/KOSDAQ/420570"
  }
 ],
 "title": "J2KBIO Co., Ltd. (420570) — research page",
 "writer": {
  "by": "Claude through the platform account, Haiku class; one pass; checked against the numbers",
  "engine": "claude-haiku-5-5"
 }
}