{
 "schema_version": 1,
 "id": "1949-20251031",
 "type": "TOB",
 "status": "completed",
 "announced_date": "2025-10-31",
 "target": {
  "edinet_code": "E00114",
  "sec_code": "1949",
  "name": "住友電設株式会社",
  "name_en": "SUMITOMO DENSETSU CO.,LTD.",
  "industry": "建設業",
  "industry_en": "Construction"
 },
 "acquirer": {
  "edinet_code": "E00048",
  "sec_code": "1925",
  "name": "大和ハウス工業株式会社",
  "name_en": "DAIWA HOUSE INDUSTRY CO., LTD.",
  "industry": "建設業",
  "industry_en": "Construction"
 },
 "anchor_doc_id": "S100WY1R",
 "needs_review": false,
 "review_reason": null,
 "terms": {
  "tender_price": {
   "history": [
    {
     "value": 9760,
     "unit": "yen",
     "as_of_date": null,
     "source": {
      "doc_id": "S100WY1R",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WY1R.pdf",
      "submitted": "2025-10-31",
      "quote": "本公開買付価格である9,760円は、本公開買付けの公表日の前営業日である2025年10月29日の東京証券取引所プライム市場における対象者株式の終値7,620円に対して28.08％"
     }
    }
   ],
   "latest": {
    "value": 9760,
    "unit": "yen",
    "as_of_date": null,
    "source": {
     "doc_id": "S100WY1R",
     "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WY1R.pdf",
     "submitted": "2025-10-31",
     "quote": "本公開買付価格である9,760円は、本公開買付けの公表日の前営業日である2025年10月29日の東京証券取引所プライム市場における対象者株式の終値7,620円に対して28.08％"
    }
   }
  },
  "min_shares": {
   "history": [
    {
     "value": 3880000,
     "unit": "shares",
     "as_of_date": null,
     "source": {
      "doc_id": "S100WY1R",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WY1R.pdf",
      "submitted": "2025-10-31",
      "quote": "公開買付者は、本公開買付けにおいて、買付予定数の下限を3,880,000株(所有割合：11.03％)として設定しており"
     }
    }
   ],
   "latest": {
    "value": 3880000,
    "unit": "shares",
    "as_of_date": null,
    "source": {
     "doc_id": "S100WY1R",
     "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WY1R.pdf",
     "submitted": "2025-10-31",
     "quote": "公開買付者は、本公開買付けにおいて、買付予定数の下限を3,880,000株(所有割合：11.03％)として設定しており"
    }
   }
  },
  "tendered_shares": {
   "history": [
    {
     "value": 14389928,
     "unit": "shares",
     "as_of_date": null,
     "source": {
      "doc_id": "S100XAPW",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XAPW.pdf",
      "submitted": "2025-12-16",
      "quote": "応募株券等の数の合計(14,389,928株)"
     }
    }
   ],
   "latest": {
    "value": 14389928,
    "unit": "shares",
    "as_of_date": null,
    "source": {
     "doc_id": "S100XAPW",
     "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XAPW.pdf",
     "submitted": "2025-12-16",
     "quote": "応募株券等の数の合計(14,389,928株)"
    }
   }
  },
  "result": {
   "history": [
    {
     "value": "成立",
     "unit": "text",
     "as_of_date": null,
     "source": {
      "doc_id": "S100XAPW",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XAPW.pdf",
      "submitted": "2025-12-16",
      "quote": "応募株券等の数の合計(14,389,928株)が買付予定数の下限(3,880,000株)以上となりましたので、公開買付開始公告及び公開買付届出書に記載のとおり、応募株券等の全部の買付け等を行います。"
     }
    }
   ],
   "latest": {
    "value": "成立",
    "unit": "text",
    "as_of_date": null,
    "source": {
     "doc_id": "S100XAPW",
     "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XAPW.pdf",
     "submitted": "2025-12-16",
     "quote": "応募株券等の数の合計(14,389,928株)が買付予定数の下限(3,880,000株)以上となりましたので、公開買付開始公告及び公開買付届出書に記載のとおり、応募株券等の全部の買付け等を行います。"
    }
   }
  }
 },
 "premiums": [
  {
   "value": 28.08,
   "unit": "percent",
   "as_of_date": "2025-10-29",
   "source": {
    "doc_id": "S100WY30",
    "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WY30.pdf",
    "submitted": "2025-10-31",
    "quote": "本公開買付けの公表日の前営業日である2025年10月29日の東京証券取引所プライム市場における当社株式の終値7,620円に対して28.08％"
   },
   "basis": "前営業日終値",
   "basis_en": "Closing price on the business day before announcement"
  },
  {
   "value": 41.16,
   "unit": "percent",
   "as_of_date": "2025-10-29",
   "source": {
    "doc_id": "S100WY30",
    "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WY30.pdf",
    "submitted": "2025-10-31",
    "quote": "同日までの過去１ヶ月間の終値単純平均値6,914円に対して41.16％"
   },
   "basis": "過去1ヶ月間の終値単純平均値",
   "basis_en": "1-month simple average closing price"
  },
  {
   "value": 43.45,
   "unit": "percent",
   "as_of_date": "2025-10-29",
   "source": {
    "doc_id": "S100WY30",
    "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WY30.pdf",
    "submitted": "2025-10-31",
    "quote": "同過去３ヶ月間の終値単純平均値6,804円に対して43.45％"
   },
   "basis": "過去3ヶ月間の終値単純平均値",
   "basis_en": "3-month simple average closing price"
  },
  {
   "value": 50.83,
   "unit": "percent",
   "as_of_date": "2025-10-29",
   "source": {
    "doc_id": "S100WY30",
    "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WY30.pdf",
    "submitted": "2025-10-31",
    "quote": "同過去６ヶ月間の終値単純平均値6,471円に対して50.83％"
   },
   "basis": "過去6ヶ月間の終値単純平均値",
   "basis_en": "6-month simple average closing price"
  }
 ],
 "valuations": [
  {
   "valuator": "みずほ証券株式会社",
   "valuator_as_written": "みずほ証券株式会社",
   "valuator_en": "Mizuho Securities Co., Ltd.",
   "side": "acquirer",
   "method": "comparable",
   "method_label": "類似企業比較法",
   "method_en": "Comparable companies method",
   "metrics": {
    "per_share_value": {
     "low": 5393,
     "high": 6867,
     "unit": "yen_per_share",
     "source": {
      "doc_id": "S100WY30",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WY30.pdf",
      "submitted": "2025-10-31",
      "quote": "類似企業比較法 ：5,393円～6,867円"
     }
    }
   }
  },
  {
   "valuator": "みずほ証券株式会社",
   "valuator_as_written": "みずほ証券株式会社",
   "valuator_en": "Mizuho Securities Co., Ltd.",
   "side": "acquirer",
   "method": "dcf",
   "method_label": "ＤＣＦ法",
   "method_en": "DCF method",
   "metrics": {
    "per_share_value": {
     "low": 6612,
     "high": 8692,
     "unit": "yen_per_share",
     "source": {
      "doc_id": "S100WY30",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WY30.pdf",
      "submitted": "2025-10-31",
      "quote": "ＤＣＦ法     ：6,612円～8,692円"
     }
    }
   }
  },
  {
   "valuator": "みずほ証券株式会社",
   "valuator_as_written": "みずほ証券株式会社",
   "valuator_en": "Mizuho Securities Co., Ltd.",
   "side": "acquirer",
   "method": "market_price",
   "method_label": "市場株価基準法",
   "method_en": "Market price method",
   "metrics": {
    "per_share_value": {
     "low": 6471,
     "high": 7620,
     "unit": "yen_per_share",
     "source": {
      "doc_id": "S100WY30",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WY30.pdf",
      "submitted": "2025-10-31",
      "quote": "市場株価基準法 ：6,471円～7,620円"
     }
    }
   }
  },
  {
   "valuator": "三菱UFJモルガン・スタンレー証券株式会社",
   "valuator_as_written": "三菱UFJモルガン・スタンレー証券株式会社",
   "valuator_en": "Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.",
   "side": "special_committee",
   "method": "comparable",
   "method_label": "類似会社比較分析",
   "method_en": "Comparable companies method",
   "metrics": {
    "per_share_value": {
     "low": 5180,
     "high": 9191,
     "unit": "yen_per_share",
     "source": {
      "doc_id": "S100WY1R",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WY1R.pdf",
      "submitted": "2025-10-31",
      "quote": "類似会社比較分析 ：5,180円～9,191円"
     }
    }
   }
  },
  {
   "valuator": "三菱UFJモルガン・スタンレー証券株式会社",
   "valuator_as_written": "三菱UFJモルガン・スタンレー証券株式会社",
   "valuator_en": "Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.",
   "side": "special_committee",
   "method": "dcf",
   "method_label": "ＤＣＦ分析",
   "method_en": "DCF method",
   "metrics": {
    "per_share_value": {
     "low": 7271,
     "high": 9026,
     "unit": "yen_per_share",
     "source": {
      "doc_id": "S100WY30",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WY30.pdf",
      "submitted": "2025-10-31",
      "quote": "当社株式の１株当たりの株式価値の範囲を7,271円から9,026円までと算定しております。"
     }
    }
   }
  },
  {
   "valuator": "三菱UFJモルガン・スタンレー証券株式会社",
   "valuator_as_written": "三菱UFJモルガン・スタンレー証券株式会社",
   "valuator_en": "Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.",
   "side": "special_committee",
   "method": "market_price",
   "method_label": "市場株価分析",
   "method_en": "Market price method",
   "metrics": {
    "per_share_value": {
     "low": 6471,
     "high": 7620,
     "unit": "yen_per_share",
     "source": {
      "doc_id": "S100WY30",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WY30.pdf",
      "submitted": "2025-10-31",
      "quote": "当社株式の１株当たり株式価値の範囲を6,471円から7,620円までと算定しております。"
     }
    }
   }
  },
  {
   "valuator": "野村證券株式会社",
   "valuator_as_written": "野村證券株式会社",
   "valuator_en": "Nomura Securities Co., Ltd.",
   "side": "target",
   "method": "comparable",
   "method_label": "類似会社比較法",
   "method_en": "Comparable companies method",
   "metrics": {
    "per_share_value": {
     "low": 4555,
     "high": 7914,
     "unit": "yen_per_share",
     "source": {
      "doc_id": "S100WY30",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WY30.pdf",
      "submitted": "2025-10-31",
      "quote": "当社株式の１株当たり株式価値の範囲を4,555円から7,914円と算定しております。"
     }
    }
   }
  },
  {
   "valuator": "野村證券株式会社",
   "valuator_as_written": "野村證券株式会社",
   "valuator_en": "Nomura Securities Co., Ltd.",
   "side": "target",
   "method": "dcf",
   "method_label": "ＤＣＦ法",
   "method_en": "DCF method",
   "metrics": {
    "per_share_value": {
     "low": 7262,
     "high": 8675,
     "unit": "yen_per_share",
     "source": {
      "doc_id": "S100WY30",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WY30.pdf",
      "submitted": "2025-10-31",
      "quote": "当社株式の１株当たりの株式価値の範囲を7,262円から8,675円と算定しております。"
     }
    }
   }
  },
  {
   "valuator": "野村證券株式会社",
   "valuator_as_written": "野村證券株式会社",
   "valuator_en": "Nomura Securities Co., Ltd.",
   "side": "target",
   "method": "market_price",
   "method_label": "市場株価平均法",
   "method_en": "Market price method",
   "metrics": {
    "per_share_value": {
     "low": 6471,
     "high": 7620,
     "unit": "yen_per_share",
     "source": {
      "doc_id": "S100WY30",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WY30.pdf",
      "submitted": "2025-10-31",
      "quote": "当社株式の１株当たりの株式価値の範囲を6,471円から7,620円と算定しております。"
     }
    }
   }
  }
 ],
 "timeline": [
  {
   "date": "2025-10-31",
   "doc_id": "S100WY1R",
   "doc_type_code": "240",
   "doc_type": "公開買付届出書",
   "filer": "大和ハウス工業株式会社",
   "filer_en": "DAIWA HOUSE INDUSTRY CO., LTD.",
   "description": "公開買付届出書",
   "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WY1R.pdf"
  },
  {
   "date": "2025-10-31",
   "doc_id": "S100WY30",
   "doc_type_code": "290",
   "doc_type": "意見表明報告書",
   "filer": "住友電設株式会社",
   "filer_en": "SUMITOMO DENSETSU CO.,LTD.",
   "description": "意見表明報告書",
   "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WY30.pdf"
  },
  {
   "date": "2025-12-16",
   "doc_id": "S100XAPW",
   "doc_type_code": "270",
   "doc_type": "公開買付報告書",
   "filer": "大和ハウス工業株式会社",
   "filer_en": "DAIWA HOUSE INDUSTRY CO., LTD.",
   "description": "公開買付報告書",
   "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XAPW.pdf"
  }
 ],
 "flags": [],
 "unverified_count": 0
}