{
 "as_of": "2026-11-06",
 "cmr": "jp-cm-kg/TSE-PRIME/5019",
 "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# Idemitsu Kosan Co.,Ltd. (Prime Market: 5019) — research page\n\nAs of 2026-11-06 · jp-cm-kg · record version 1\n\n## Identity and listing\n\nThe issuer is Idemitsu Kosan Co.,Ltd., listed on the Prime Market under ticker 5019. Its ISIN is JP3142500002 and its LEI is 549300P0R46FF6DUA630. Its security type is Corporate, its segment is not on the record, and its sector is 3300 Oil and Coal Products. Its jurisdiction is Japan (EDINET domestic filer). Its listing status is listed, not halted.\n\n## The disclosure read\n\nThe record holds 23 filings across 17 filing days in the window 2025-11-06 to 2026-11-06. By type, the record holds 4 ad hoc, 9 corporate news, 5 prospectus, 3 regulatory filing and 2 results filings. The median gap between filing days is 13.0 days. The latest filing is dated 2026-09-03, an ad hoc filing, 64 days before the record date of 2026-11-06. The Prime Market median cadence gap is 29.0 days across 1557 issuers, and its median latency is 70.0 days. The 3300 Oil and Coal Products sector median cadence gap is 21 days across 9 issuers, and its median latency is 84 days.\n\n## Auditor\n\nThe auditor of record is 有限責任監査法人トーマツ. Its location is not on the record. Auditor changes are not on the record, as this register has no lifecycle type map yet.\n\n## Events and halts\n\nListing, delisting, name change, domicile change and segment move are not on the record, as this register has no lifecycle type map yet. The issuer is listed and not halted.\n\n## Orderability\n\nFor the client category Qualified Institutional Investors, the signal is null and the outcome is not determinable. The rule states a product scope, and the record carries no instrument class to place within it. The rule version is acm-68000/jp/suitability-principle-fiea-article-40/r1, and the chapter is as of 2026-11-04.\n\n## Coverage\n\nThe issuer's investor-relations page names 8 research houses: Jefferies Japan Limited, Daiwa Securities Co. Ltd., Nomura Securities Co., Ltd., Mizuho Securities Co., Ltd., Morgan Stanley MUFG Securities Co., Ltd., BofA Securities Japan Co., Ltd., SMBC Nikko Securities Inc., and JPMorgan Securities Japan Co., Ltd.\n\n## Open research\n\nNo openly published research notes were found.\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 record holds no sealed years for the issuer, and no earliest sealed date for the market. The live record began on a date not on the record.\n\n## Sources\n\n10 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.jpx.co.jp/english/markets/statistics-equities/misc/tvdivq0000001vg2-att/data_e.xlsx (identity.exchange)\n- https://mapping.gleif.org/api/v2/isin-lei/latest (identity.isin)\n- https://disclosure2dl.edinet-fsa.go.jp/searchdocument/codelist/Edinetcode.zip (identity.jurisdiction)\n- https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei)\n- https://mcp.jp-cm-kg.ai/events/TSE-PRIME/5019 (the disclosure lines)\n- https://www.jpx.co.jp/markets/equities/suspended/index.html (the halt flag)\n- https://disclosure2.edinet-fsa.go.jp/WZEK0040.aspx?S100YCS3 (the auditor)\n- https://mcp.jp-cm-kg.ai/book/aio.json (the orderability chapter)\n- https://www.idemitsu.com/en/ir/stock/analyst/index.html (coverage)\n- https://mcp.jp-cm-kg.ai/record/TSE-PRIME/5019 (the record)\n",
 "market": "JP",
 "node": "jp-cm-kg",
 "numbers": {
  "as_of_depth": {
   "issuer_years_sealed": [],
   "live_record_began": null,
   "node_history_from": null,
   "node_years_sealed": [],
   "note": "the JP vintage is not sealed; the record is the live record as of 2026-11-06",
   "record_version": 1,
   "sealed": false
  },
  "auditor": {
   "auditor": {
    "read_by": "EDINET XBRL-to-CSV facts (API v2 type=5, 有価証券報告書 docTypeCode 120) — element jpcrp_cor:AuditFirm1Consolidated",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://disclosure2.edinet-fsa.go.jp/WZEK0040.aspx?S100YCS3",
    "state": "sourced",
    "value": "有限責任監査法人トーマツ"
   },
   "auditor_firm_id": {
    "market": "JP",
    "state": "not_on_record"
   },
   "auditor_location": {
    "market": "JP",
    "state": "not_on_record"
   },
   "changes": {
    "market": "JP",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   }
  },
  "cmr": "jp-cm-kg/TSE-PRIME/5019",
  "coverage": {
   "count": 8,
   "houses": [
    {
     "analyst": "Pham Thanh Ha",
     "house": "Jefferies Japan Limited",
     "read_by": "issuer IR page, fetched by this rail; each house name read on the page",
     "read_date": "2026-11-12",
     "source": "https://www.idemitsu.com/en/ir/stock/analyst/index.html",
     "state": "sourced"
    },
    {
     "analyst": "Shusaku Nishikawa",
     "house": "Daiwa Securities Co. Ltd.",
     "read_by": "issuer IR page, fetched by this rail; each house name read on the page",
     "read_date": "2026-11-12",
     "source": "https://www.idemitsu.com/en/ir/stock/analyst/index.html",
     "state": "sourced"
    },
    {
     "analyst": "Shinichi Yamazaki",
     "house": "Nomura Securities Co., Ltd.",
     "read_by": "issuer IR page, fetched by this rail; each house name read on the page",
     "read_date": "2026-11-12",
     "source": "https://www.idemitsu.com/en/ir/stock/analyst/index.html",
     "state": "sourced"
    },
    {
     "analyst": "Norimasa Shinya",
     "house": "Mizuho Securities Co., Ltd.",
     "read_by": "issuer IR page, fetched by this rail; each house name read on the page",
     "read_date": "2026-11-12",
     "source": "https://www.idemitsu.com/en/ir/stock/analyst/index.html",
     "state": "sourced"
    },
    {
     "analyst": "Reiji Ogino",
     "house": "Morgan Stanley MUFG Securities Co., Ltd.",
     "read_by": "issuer IR page, fetched by this rail; each house name read on the page",
     "read_date": "2026-11-12",
     "source": "https://www.idemitsu.com/en/ir/stock/analyst/index.html",
     "state": "sourced"
    },
    {
     "analyst": "Takashi Enomoto",
     "house": "BofA Securities Japan Co., Ltd.",
     "read_by": "issuer IR page, fetched by this rail; each house name read on the page",
     "read_date": "2026-11-12",
     "source": "https://www.idemitsu.com/en/ir/stock/analyst/index.html",
     "state": "sourced"
    },
    {
     "analyst": "Koji Kamichika",
     "house": "SMBC Nikko Securities Inc.",
     "read_by": "issuer IR page, fetched by this rail; each house name read on the page",
     "read_date": "2026-11-12",
     "source": "https://www.idemitsu.com/en/ir/stock/analyst/index.html",
     "state": "sourced"
    },
    {
     "analyst": "Jiro Iokibe",
     "house": "JPMorgan Securities Japan Co., Ltd.",
     "read_by": "issuer IR page, fetched by this rail; each house name read on the page",
     "read_date": "2026-11-12",
     "source": "https://www.idemitsu.com/en/ir/stock/analyst/index.html",
     "state": "sourced"
    }
   ],
   "pages_checked": [
    {
     "page": "https://www.idemitsu.com/en/ir/stock/analyst/index.html",
     "result": "read: 8 of 15 named houses found on the page"
    }
   ],
   "read_by": "Perplexity sonar (search) · page read by this rail",
   "read_date": "2026-11-12",
   "since": "not stated on the page read",
   "state": "found"
  },
  "disclosure": {
   "against": {
    "exchange": {
     "issuers": 1557,
     "median_cadence_gap_days": 29,
     "median_filings": 10,
     "median_latency_days": 70,
     "name": "Prime Market"
    },
    "sector": {
     "issuers": 9,
     "median_cadence_gap_days": 21,
     "median_filings": 9,
     "median_latency_days": 84,
     "name": "3300 Oil and Coal Products"
    }
   },
   "by_type": {
    "ad_hoc": 4,
    "corporate_news": 9,
    "prospectus": 5,
    "regulatory_filing": 3,
    "results": 2
   },
   "cadence_median_gap_days": 13,
   "filing_days": 17,
   "filings": 23,
   "latency_days": 64,
   "latest": [
    {
     "category": "臨時報告書 (extraordinary report)",
     "date": "2026-09-03",
     "source": "https://disclosure2.edinet-fsa.go.jp/WZEK0040.aspx?S100Z0CM",
     "title": "臨時報告書",
     "type": "ad_hoc"
    },
    {
     "category": "090",
     "date": "2026-09-03",
     "source": "https://disclosure2.edinet-fsa.go.jp/WZEK0040.aspx?S100YZL8",
     "title": "訂正発行登録書",
     "type": "prospectus"
    },
    {
     "category": "自己株券買付状況報告書 (share buy-back status report)",
     "date": "2026-07-10",
     "source": "https://disclosure2.edinet-fsa.go.jp/WZEK0040.aspx?S100YPVQ",
     "title": "自己株券買付状況報告書（法２４条の６第１項に基づくもの）",
     "type": "corporate_news"
    },
    {
     "category": "090",
     "date": "2026-06-30",
     "source": "https://disclosure2.edinet-fsa.go.jp/WZEK0040.aspx?S100YNHP",
     "title": "訂正発行登録書",
     "type": "prospectus"
    },
    {
     "category": "臨時報告書 (extraordinary report)",
     "date": "2026-06-29",
     "source": "https://disclosure2.edinet-fsa.go.jp/WZEK0040.aspx?S100YMUS",
     "title": "臨時報告書",
     "type": "ad_hoc"
    }
   ],
   "latest_filing_date": "2026-09-03",
   "read": "the node's event lines (list_events_since), as get_filings serves them",
   "source": "https://mcp.jp-cm-kg.ai/events/TSE-PRIME/5019",
   "window": {
    "from": "2025-11-06",
    "to": "2026-11-06"
   }
  },
  "identity": {
   "exchange": {
    "read_by": "JPX listed-issuers workbook (data_e.xlsx, English)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://www.jpx.co.jp/english/markets/statistics-equities/misc/tvdivq0000001vg2-att/data_e.xlsx",
    "state": "sourced",
    "value": "Prime Market"
   },
   "isin": {
    "read_by": "GLEIF ISIN list for the LEI (lei-records/<lei>/isins) (the one equity-pattern ISIN JP3…00x)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://mapping.gleif.org/api/v2/isin-lei/latest (isin-lei-latest.zip, ISINs mapped to the LEI)",
    "state": "sourced",
    "value": "JP3142500002"
   },
   "jurisdiction": {
    "read_by": "EDINET code list (Edinetcode.zip, filer master with corporate number) (提出者種別)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/codelist/Edinetcode.zip",
    "state": "sourced",
    "value": "Japan (EDINET domestic filer)"
   },
   "lei": {
    "read_by": "GLEIF ISIN-to-LEI mapping file (daily), LEI by exact ISIN",
    "read_date": "2026-11-08",
    "read_date_basis": "the field",
    "source": "https://mapping.gleif.org/api/v2/isin-lei/latest/download (ISIN JP3142500002)",
    "state": "sourced",
    "value": "549300P0R46FF6DUA630"
   },
   "name": {
    "read_by": "JPX listed-issuers workbook (data_e.xlsx, English)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://www.jpx.co.jp/english/markets/statistics-equities/misc/tvdivq0000001vg2-att/data_e.xlsx",
    "state": "sourced",
    "value": "Idemitsu Kosan Co.,Ltd."
   },
   "sector": {
    "read_by": "JPX listed-issuers workbook (data_e.xlsx, English) (33-sector classification)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://www.jpx.co.jp/english/markets/statistics-equities/misc/tvdivq0000001vg2-att/data_e.xlsx",
    "state": "sourced",
    "value": "3300 Oil and Coal Products"
   },
   "security_type": {
    "read_by": "JPX listed-issuers workbook (data_e.xlsx, English)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://www.jpx.co.jp/english/markets/statistics-equities/misc/tvdivq0000001vg2-att/data_e.xlsx",
    "state": "sourced",
    "value": "Corporate"
   },
   "segment": {
    "market": "JP",
    "state": "not_on_record"
   },
   "ticker": {
    "read_by": "JPX listed-issuers workbook (data_e.xlsx, English)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://www.jpx.co.jp/english/markets/statistics-equities/misc/tvdivq0000001vg2-att/data_e.xlsx",
    "state": "sourced",
    "value": "5019"
   },
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    "title",
    "date",
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   ],
   "rows": [],
   "rule": "A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded."
  },
  "lifecycle": {
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    "market": "JP",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   },
   "domicile_change": {
    "market": "JP",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   },
   "listing": {
    "market": "JP",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   },
   "name_change": {
    "market": "JP",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   },
   "segment_move": {
    "market": "JP",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   }
  },
  "market": "JP",
  "node": "jp-cm-kg",
  "numbers_hash": "sha256:aaac4c507d5e21b4f8c708988ebdf721e85e128b26e9fa7be84194eb7c349b68",
  "open_research": {
   "read_date": "2026-11-12",
   "rows": [],
   "state": "none_found"
  },
  "orderability": {
   "chapter_as_of": "2026-11-04",
   "client_categories": [
    "Qualified Institutional Investors"
   ],
   "outcomes": {
    "Qualified Institutional Investors": {
     "determinable": false,
     "reason": "the rule states a product scope and the subject's record carries no instrument class to place within it",
     "signal": null
    }
   },
   "read": {
    "basis": "one live read per instrument class, halt state and client category on this market; this issuer's group",
    "chapter": "https://mcp.jp-cm-kg.ai/book/aio.json",
    "door": "https://mcp.jp-cm-kg.ai/mcp",
    "tool": "get_orderability"
   },
   "rule_version": "acm-68000/jp/suitability-principle-fiea-article-40/r1",
   "section": "jp.aio.v6"
  },
  "record": {
   "as_of": "2026-11-06",
   "url": "https://mcp.jp-cm-kg.ai/record/TSE-PRIME/5019",
   "version": 1
  },
  "schema": "research-numbers v0.1 (USR-01, 2026-11-11)",
  "status": {
   "read_date": "2026-11-08",
   "source": "https://www.jpx.co.jp/markets/equities/suspended/index.html",
   "value": "listed, not halted"
  }
 },
 "numbers_hash": "sha256:aaac4c507d5e21b4f8c708988ebdf721e85e128b26e9fa7be84194eb7c349b68",
 "path": "/jp/TSE-PRIME/5019",
 "schema": "research-page v0.1 (USR-02, 2026-11-11)",
 "sections": [
  {
   "id": "identity",
   "text": "The issuer is Idemitsu Kosan Co.,Ltd., listed on the Prime Market under ticker 5019. Its ISIN is JP3142500002 and its LEI is 549300P0R46FF6DUA630. Its security type is Corporate, its segment is not on the record, and its sector is 3300 Oil and Coal Products. Its jurisdiction is Japan (EDINET domestic filer). Its listing status is listed, not halted.",
   "title": "Identity and listing"
  },
  {
   "id": "disclosure",
   "text": "The record holds 23 filings across 17 filing days in the window 2025-11-06 to 2026-11-06. By type, the record holds 4 ad hoc, 9 corporate news, 5 prospectus, 3 regulatory filing and 2 results filings. The median gap between filing days is 13.0 days. The latest filing is dated 2026-09-03, an ad hoc filing, 64 days before the record date of 2026-11-06. The Prime Market median cadence gap is 29.0 days across 1557 issuers, and its median latency is 70.0 days. The 3300 Oil and Coal Products sector median cadence gap is 21 days across 9 issuers, and its median latency is 84 days.",
   "title": "The disclosure read"
  },
  {
   "id": "auditor",
   "text": "The auditor of record is 有限責任監査法人トーマツ. Its location is not on the record. Auditor changes are not on the record, as this register has no lifecycle type map yet.",
   "title": "Auditor"
  },
  {
   "id": "events",
   "text": "Listing, delisting, name change, domicile change and segment move are not on the record, as this register has no lifecycle type map yet. The issuer is listed and not halted.",
   "title": "Events and halts"
  },
  {
   "id": "orderability",
   "text": "For the client category Qualified Institutional Investors, the signal is null and the outcome is not determinable. The rule states a product scope, and the record carries no instrument class to place within it. The rule version is acm-68000/jp/suitability-principle-fiea-article-40/r1, and the chapter is as of 2026-11-04.",
   "title": "Orderability"
  },
  {
   "id": "coverage",
   "text": "The issuer's investor-relations page names 8 research houses: Jefferies Japan Limited, Daiwa Securities Co. Ltd., Nomura Securities Co., Ltd., Mizuho Securities Co., Ltd., Morgan Stanley MUFG Securities Co., Ltd., BofA Securities Japan Co., Ltd., SMBC Nikko Securities Inc., and JPMorgan Securities Japan Co., Ltd.",
   "title": "Coverage"
  },
  {
   "id": "open_research",
   "text": "No openly published research notes were found.",
   "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 record holds no sealed years for the issuer, and no earliest sealed date for the market. The live record began on a date not on the record.",
   "title": "As-of depth"
  },
  {
   "id": "sources",
   "text": "10 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.jpx.co.jp/english/markets/statistics-equities/misc/tvdivq0000001vg2-att/data_e.xlsx"
  },
  {
   "for": "identity.isin",
   "source": "https://mapping.gleif.org/api/v2/isin-lei/latest"
  },
  {
   "for": "identity.jurisdiction",
   "source": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/codelist/Edinetcode.zip"
  },
  {
   "for": "identity.lei",
   "source": "https://mapping.gleif.org/api/v2/isin-lei/latest/download"
  },
  {
   "for": "the disclosure lines",
   "source": "https://mcp.jp-cm-kg.ai/events/TSE-PRIME/5019"
  },
  {
   "for": "the halt flag",
   "source": "https://www.jpx.co.jp/markets/equities/suspended/index.html"
  },
  {
   "for": "the auditor",
   "source": "https://disclosure2.edinet-fsa.go.jp/WZEK0040.aspx?S100YCS3"
  },
  {
   "for": "the orderability chapter",
   "source": "https://mcp.jp-cm-kg.ai/book/aio.json"
  },
  {
   "for": "coverage",
   "source": "https://www.idemitsu.com/en/ir/stock/analyst/index.html"
  },
  {
   "for": "the record",
   "source": "https://mcp.jp-cm-kg.ai/record/TSE-PRIME/5019"
  }
 ],
 "title": "Idemitsu Kosan Co.,Ltd. (5019) — research page",
 "writer": {
  "by": "Claude through the platform account, Haiku class; one pass; checked against the numbers",
  "engine": "claude-haiku-5-5"
 }
}