{
 "as_of": "2026-11-06",
 "cmr": "jp-cm-kg/TSE-PRIME/1801",
 "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# TAISEI CORPORATION (Prime Market: 1801) — research page\n\nAs of 2026-11-06 · jp-cm-kg · record version 1\n\n## Identity and listing\n\nThe issuer is TAISEI CORPORATION, listed on the Prime Market under ticker 1801. Its ISIN is JP3443600006 and its LEI is 529900TF7XJKIOWMLQ79. The security type is Corporate, the segment is not on the record, the sector is 2050 Construction, and the jurisdiction is Japan (EDINET domestic filer). The listing status is listed, not halted.\n\n## The disclosure read\n\nThe record holds 18 filings in the twelve months to 2026-11-06, across 10 filing days. The median gap between filing days is 8 days. The latest filing is dated 2026-10-15, 22 days before the record date, and is of type prospectus. The Prime Market median is 29.0 days of cadence gap, 10 filings and 70.0 days of latency across 1557 issuers. The 2050 Construction sector median is 40.0 days of cadence gap, 7.5 filings and 106 days of latency across 156 issuers.\n\n## Auditor\n\nThe auditor of record is 有限責任 あずさ監査法人. Its location is not on the record. Auditor changes are not on the record.\n\n## Events and halts\n\nThe listing, delisting, name change, domicile change and segment move lines are not on the record, as this market has no lifecycle type map yet. The halt flag shows listed, not halted.\n\n## Orderability\n\nFor the client category Qualified Institutional Investors, the outcome is not determinable. The rule states a product scope and the subject's 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\nNo research houses were found on the issuer's investor-relations page.\n\n## Open research\n\nNo openly published research notes were found 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 market's vintage is not sealed. No issuer years are sealed, the market's earliest sealed date is not on the record, and the live record began date is not on the record.\n\n## Sources\n\n9 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/1801 (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?S100YBGF (the auditor)\n- https://mcp.jp-cm-kg.ai/book/aio.json (the orderability chapter)\n- https://mcp.jp-cm-kg.ai/record/TSE-PRIME/1801 (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?S100YBGF",
    "state": "sourced",
    "value": "有限責任 あずさ監査法人"
   },
   "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/1801",
  "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": 1557,
     "median_cadence_gap_days": 29,
     "median_filings": 10,
     "median_latency_days": 70,
     "name": "Prime Market"
    },
    "sector": {
     "issuers": 156,
     "median_cadence_gap_days": 40,
     "median_filings": 7.5,
     "median_latency_days": 106,
     "name": "2050 Construction"
    }
   },
   "by_type": {
    "ad_hoc": 3,
    "corporate_news": 2,
    "major_holder": 2,
    "prospectus": 4,
    "regulatory_filing": 5,
    "results": 2
   },
   "cadence_median_gap_days": 8,
   "filing_days": 10,
   "filings": 18,
   "latency_days": 22,
   "latest": [
    {
     "category": "090",
     "date": "2026-10-15",
     "source": "https://disclosure2.edinet-fsa.go.jp/WZEK0040.aspx?S100Z84G",
     "title": "訂正発行登録書",
     "type": "prospectus"
    },
    {
     "category": "変更報告書 (change report, large shareholding)",
     "date": "2026-10-07",
     "source": "https://disclosure2.edinet-fsa.go.jp/WZEK0040.aspx?S100Z6H9",
     "title": "訂正報告書（大量保有報告書・変更報告書）",
     "type": "major_holder"
    },
    {
     "category": "大量保有報告書 (large shareholding report)",
     "date": "2026-10-05",
     "source": "https://disclosure2.edinet-fsa.go.jp/WZEK0040.aspx?S100Z5YL",
     "title": "変更報告書",
     "type": "major_holder"
    },
    {
     "category": "090",
     "date": "2026-06-25",
     "source": "https://disclosure2.edinet-fsa.go.jp/WZEK0040.aspx?S100YIA6",
     "title": "訂正発行登録書",
     "type": "prospectus"
    },
    {
     "category": "臨時報告書 (extraordinary report)",
     "date": "2026-06-25",
     "source": "https://disclosure2.edinet-fsa.go.jp/WZEK0040.aspx?S100YGYQ",
     "title": "臨時報告書",
     "type": "ad_hoc"
    }
   ],
   "latest_filing_date": "2026-10-15",
   "read": "the node's event lines (list_events_since), as get_filings serves them",
   "source": "https://mcp.jp-cm-kg.ai/events/TSE-PRIME/1801",
   "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": "JP3443600006"
   },
   "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 JP3443600006)",
    "state": "sourced",
    "value": "529900TF7XJKIOWMLQ79"
   },
   "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": "TAISEI CORPORATION"
   },
   "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": "2050 Construction"
   },
   "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": "1801"
   },
   "website": {
    "market": "JP",
    "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": "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": "sha256:75ccb17bc33aee71df3be85e983b43fe42eafdb8ff4274de4f257c3fca3bb69a",
  "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/1801",
   "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": "sha256:75ccb17bc33aee71df3be85e983b43fe42eafdb8ff4274de4f257c3fca3bb69a",
 "path": "/jp/TSE-PRIME/1801",
 "schema": "research-page v0.1 (USR-02, 2026-11-11)",
 "sections": [
  {
   "id": "identity",
   "text": "The issuer is TAISEI CORPORATION, listed on the Prime Market under ticker 1801. Its ISIN is JP3443600006 and its LEI is 529900TF7XJKIOWMLQ79. The security type is Corporate, the segment is not on the record, the sector is 2050 Construction, and the jurisdiction is Japan (EDINET domestic filer). The listing status is listed, not halted.",
   "title": "Identity and listing"
  },
  {
   "id": "disclosure",
   "text": "The record holds 18 filings in the twelve months to 2026-11-06, across 10 filing days. The median gap between filing days is 8 days. The latest filing is dated 2026-10-15, 22 days before the record date, and is of type prospectus. The Prime Market median is 29.0 days of cadence gap, 10 filings and 70.0 days of latency across 1557 issuers. The 2050 Construction sector median is 40.0 days of cadence gap, 7.5 filings and 106 days of latency across 156 issuers.",
   "title": "The disclosure read"
  },
  {
   "id": "auditor",
   "text": "The auditor of record is 有限責任 あずさ監査法人. Its location is not on the record. Auditor changes are not on the record.",
   "title": "Auditor"
  },
  {
   "id": "events",
   "text": "The listing, delisting, name change, domicile change and segment move lines are not on the record, as this market has no lifecycle type map yet. The halt flag shows listed, not halted.",
   "title": "Events and halts"
  },
  {
   "id": "orderability",
   "text": "For the client category Qualified Institutional Investors, the outcome is not determinable. The rule states a product scope and the subject's 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": "No research houses were found on the issuer's investor-relations page.",
   "title": "Coverage"
  },
  {
   "id": "open_research",
   "text": "No openly published research notes were found 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 market's vintage is not sealed. No issuer years are sealed, the market's earliest sealed date is not on the record, and the live record began date is not on the record.",
   "title": "As-of depth"
  },
  {
   "id": "sources",
   "text": "9 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/1801"
  },
  {
   "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?S100YBGF"
  },
  {
   "for": "the orderability chapter",
   "source": "https://mcp.jp-cm-kg.ai/book/aio.json"
  },
  {
   "for": "the record",
   "source": "https://mcp.jp-cm-kg.ai/record/TSE-PRIME/1801"
  }
 ],
 "title": "TAISEI CORPORATION (1801) — research page",
 "writer": {
  "by": "Claude through the platform account, Haiku class; one pass; checked against the numbers",
  "engine": "claude-haiku-5-5"
 }
}