{
 "as_of": "2026-11-06",
 "cmr": "kr-cm-kg/KOSDAQ/080220",
 "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# Jeju Semiconductor Corp. (KOSDAQ: 080220) — research page\n\nAs of 2026-11-06 · kr-cm-kg · record version 1\n\n## Identity and listing\n\nJeju Semiconductor Corp. is listed on KOSDAQ under ticker 080220 with ISIN KR7080220007. The LEI is not on the record. The security type is Corporate, the sector is 반도체 제조업, and the jurisdiction is South Korea. The segment is not on the record. The listing status is listed, not halted.\n\n## The disclosure read\n\nThe record holds 64 filings across 34 filing days in the twelve months to 2026-11-06. The median gap between filing days is 7 days. The latest filing is dated 2026-11-05 and is of type directors_dealings, 1 day before the record date. The KOSDAQ median cadence gap is 8.0 days across 1819 issuers, and the median latency is 16.0 days. The 반도체 제조업 sector median cadence gap is 9 days across 74 issuers, and the median latency is 14 days. Filings by type are: ad_hoc 10, agm_egm 13, corporate_news 11, director_change 1, directors_dealings 14, major_holder 8, regulatory_filing 2, results 5.\n\n## Auditor\n\nThe auditor of record is 성현회계법인. 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, as the market's lifecycle type map is not yet in place. The halt flag is listed, not halted.\n\n## Orderability\n\nThe orderability outcome is not determinable. The chapter's orderability section carries no client_categories, so the outcome cannot name its client category. The rule version is acm-68000/kr/suitability-and-appropriateness-fscma-articles-46-and-46-2/r1, with chapter as-of date 2026-11-04.\n\n## Coverage\n\nThe investor-relations page of the issuer has not been read, so the count of research houses is not on the record.\n\n## Open research\n\nThe openly published research field has not been read, so the count of notes is not on the record.\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 vintage is not sealed. The issuer has no sealed years. The market's earliest sealed date is not on the record. The live record began on 2026-09-12. The years 2021 through 2026 are sealed in the store but not served as of a date, and the as-of door answer is 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=00447487 (identity.jurisdiction)\n- https://mcp.kr-cm-kg.ai/events/KOSDAQ/080220 (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=20260323001029 (the auditor)\n- https://mcp.kr-cm-kg.ai/book/aio.json (the orderability chapter)\n- https://mcp.kr-cm-kg.ai/record/KOSDAQ/080220 (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=20260323001029",
    "state": "sourced",
    "value": "성현회계법인"
   },
   "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/080220",
  "coverage": {
   "note": "the coverage field has not been read for this issuer",
   "state": "not_read"
  },
  "disclosure": {
   "against": {
    "exchange": {
     "issuers": 1819,
     "median_cadence_gap_days": 8,
     "median_filings": 33,
     "median_latency_days": 16,
     "name": "KOSDAQ"
    },
    "sector": {
     "issuers": 74,
     "median_cadence_gap_days": 9,
     "median_filings": 33,
     "median_latency_days": 14,
     "name": "반도체 제조업"
    }
   },
   "by_type": {
    "ad_hoc": 10,
    "agm_egm": 13,
    "corporate_news": 11,
    "director_change": 1,
    "directors_dealings": 14,
    "major_holder": 8,
    "regulatory_filing": 2,
    "results": 5
   },
   "cadence_median_gap_days": 7,
   "filing_days": 34,
   "filings": 64,
   "latency_days": 1,
   "latest": [
    {
     "category": null,
     "date": "2026-11-05",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20261105000177",
     "title": "임원ㆍ주요주주특정증권등소유상황보고서",
     "type": "directors_dealings"
    },
    {
     "category": null,
     "date": "2026-11-05",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20261105000174",
     "title": "임원ㆍ주요주주특정증권등소유상황보고서",
     "type": "directors_dealings"
    },
    {
     "category": null,
     "date": "2026-11-05",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20261105000165",
     "title": "임원ㆍ주요주주특정증권등소유상황보고서",
     "type": "directors_dealings"
    },
    {
     "category": null,
     "date": "2026-11-05",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20261105000157",
     "title": "임원ㆍ주요주주특정증권등소유상황보고서",
     "type": "directors_dealings"
    },
    {
     "category": null,
     "date": "2026-11-05",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20261105000154",
     "title": "임원ㆍ주요주주특정증권등소유상황보고서",
     "type": "directors_dealings"
    }
   ],
   "latest_filing_date": "2026-11-05",
   "read": "the node's event lines (list_events_since), as get_filings serves them",
   "source": "https://mcp.kr-cm-kg.ai/events/KOSDAQ/080220",
   "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": "KR7080220007"
   },
   "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=00447487",
    "state": "sourced",
    "value": "South Korea (DART filer with a corporate registration number)"
   },
   "lei": {
    "market": "KR",
    "reason": "no GLEIF record registered as 129-81-33683",
    "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=00447487",
    "state": "sourced",
    "value": "Jeju Semiconductor Corp."
   },
   "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": "반도체 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": "080220"
   },
   "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.jeju-semi.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:d9a0c1d4048902df77fc65406d36a5fe44113fc394a2f40844e5a5ab588874cb",
  "open_research": {
   "rows": [],
   "state": "not_read"
  },
  "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/080220",
   "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:d9a0c1d4048902df77fc65406d36a5fe44113fc394a2f40844e5a5ab588874cb",
 "path": "/kr/KOSDAQ/080220",
 "schema": "research-page v0.1 (USR-02, 2026-11-11)",
 "sections": [
  {
   "id": "identity",
   "text": "Jeju Semiconductor Corp. is listed on KOSDAQ under ticker 080220 with ISIN KR7080220007. The LEI is not on the record. The security type is Corporate, the sector is 반도체 제조업, and the jurisdiction is South Korea. The segment is not on the record. The listing status is listed, not halted.",
   "title": "Identity and listing"
  },
  {
   "id": "disclosure",
   "text": "The record holds 64 filings across 34 filing days in the twelve months to 2026-11-06. The median gap between filing days is 7 days. The latest filing is dated 2026-11-05 and is of type directors_dealings, 1 day before the record date. The KOSDAQ median cadence gap is 8.0 days across 1819 issuers, and the median latency is 16.0 days. The 반도체 제조업 sector median cadence gap is 9 days across 74 issuers, and the median latency is 14 days. Filings by type are: ad_hoc 10, agm_egm 13, corporate_news 11, director_change 1, directors_dealings 14, major_holder 8, regulatory_filing 2, results 5.",
   "title": "The disclosure read"
  },
  {
   "id": "auditor",
   "text": "The auditor of record is 성현회계법인. 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, as the market's lifecycle type map is not yet in place. The halt flag is listed, not halted.",
   "title": "Events and halts"
  },
  {
   "id": "orderability",
   "text": "The orderability outcome is not determinable. The chapter's orderability section carries no client_categories, so the outcome cannot name its client category. The rule version is acm-68000/kr/suitability-and-appropriateness-fscma-articles-46-and-46-2/r1, with chapter as-of date 2026-11-04.",
   "title": "Orderability"
  },
  {
   "id": "coverage",
   "text": "The investor-relations page of the issuer has not been read, so the count of research houses is not on the record.",
   "title": "Coverage"
  },
  {
   "id": "open_research",
   "text": "The openly published research field has not been read, so the count of notes is not on the record.",
   "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 vintage is not sealed. The issuer has no sealed years. The market's earliest sealed date is not on the record. The live record began on 2026-09-12. The years 2021 through 2026 are sealed in the store but not served as of a date, and the as-of door answer is 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=00447487"
  },
  {
   "for": "the disclosure lines",
   "source": "https://mcp.kr-cm-kg.ai/events/KOSDAQ/080220"
  },
  {
   "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=20260323001029"
  },
  {
   "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/080220"
  }
 ],
 "title": "Jeju Semiconductor Corp. (080220) — research page",
 "writer": {
  "by": "Claude through the platform account, Haiku class; one pass; checked against the numbers",
  "engine": "claude-haiku-5-5"
 }
}