{
 "schema_version": 1,
 "id": "1776-20260310",
 "type": "TOB",
 "status": "completed",
 "announced_date": "2026-03-10",
 "target": {
  "edinet_code": "E00272",
  "sec_code": "1776",
  "name": "三井住建道路株式会社",
  "name_en": "SUMIKEN MITSUI ROAD CO.,LTD.",
  "industry": "建設業",
  "industry_en": "Construction"
 },
 "acquirer": {
  "edinet_code": "E00085",
  "sec_code": "1821",
  "name": "三井住友建設株式会社",
  "name_en": "Sumitomo Mitsui Construction Co.,Ltd.",
  "industry": "建設業",
  "industry_en": "Construction"
 },
 "anchor_doc_id": "S100XPT2",
 "needs_review": false,
 "review_reason": null,
 "terms": {
  "tender_price": {
   "history": [
    {
     "value": 2000,
     "unit": "yen",
     "as_of_date": null,
     "source": {
      "doc_id": "S100XPT2",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPT2.pdf",
      "submitted": "2026-03-10",
      "quote": "本公開買付価格を2,000円として本公開買付けを実施することを決定しました。"
     }
    }
   ],
   "latest": {
    "value": 2000,
    "unit": "yen",
    "as_of_date": null,
    "source": {
     "doc_id": "S100XPT2",
     "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPT2.pdf",
     "submitted": "2026-03-10",
     "quote": "本公開買付価格を2,000円として本公開買付けを実施することを決定しました。"
    }
   }
  },
  "min_shares": {
   "history": [
    {
     "value": 1203500,
     "unit": "shares",
     "as_of_date": null,
     "source": {
      "doc_id": "S100XPT2",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPT2.pdf",
      "submitted": "2026-03-10",
      "quote": "1,203,500株(所有割合：12.97％)を買付予定数の下限と設定しており"
     }
    }
   ],
   "latest": {
    "value": 1203500,
    "unit": "shares",
    "as_of_date": null,
    "source": {
     "doc_id": "S100XPT2",
     "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPT2.pdf",
     "submitted": "2026-03-10",
     "quote": "1,203,500株(所有割合：12.97％)を買付予定数の下限と設定しており"
    }
   }
  },
  "tendered_shares": {
   "history": [
    {
     "value": 3867498,
     "unit": "shares",
     "as_of_date": null,
     "source": {
      "doc_id": "S100Y0B5",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100Y0B5.pdf",
      "submitted": "2026-04-22",
      "quote": "応募株券等の総数( 3,867,498 株)"
     }
    }
   ],
   "latest": {
    "value": 3867498,
    "unit": "shares",
    "as_of_date": null,
    "source": {
     "doc_id": "S100Y0B5",
     "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100Y0B5.pdf",
     "submitted": "2026-04-22",
     "quote": "応募株券等の総数( 3,867,498 株)"
    }
   }
  },
  "result": {
   "history": [
    {
     "value": "成立",
     "unit": "text",
     "as_of_date": null,
     "source": {
      "doc_id": "S100Y0B5",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100Y0B5.pdf",
      "submitted": "2026-04-22",
      "quote": "応募株券等の総数( 3,867,498 株)が買付予定数の下限(1,203,500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(その後提出された公開買付届出書の訂正届出書により訂正された事項を含みます。)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": "S100Y0B5",
     "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100Y0B5.pdf",
     "submitted": "2026-04-22",
     "quote": "応募株券等の総数( 3,867,498 株)が買付予定数の下限(1,203,500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(その後提出された公開買付届出書の訂正届出書により訂正された事項を含みます。)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": 22.32,
   "unit": "percent",
   "as_of_date": "2026-03-06",
   "source": {
    "doc_id": "S100XPV0",
    "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
    "submitted": "2026-03-10",
    "quote": "終値1,635円に対して22.32％のプレミアムを加えた価格"
   },
   "basis": "前営業日終値",
   "basis_en": "Closing price on the business day before announcement"
  },
  {
   "value": 20.99,
   "unit": "percent",
   "as_of_date": "2026-03-06",
   "source": {
    "doc_id": "S100XPV0",
    "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
    "submitted": "2026-03-10",
    "quote": "終値単純平均値1,653円に対して20.99％のプレミアムを加えた価格"
   },
   "basis": "過去1ヶ月間の終値単純平均値",
   "basis_en": "1-month simple average closing price"
  },
  {
   "value": 23.92,
   "unit": "percent",
   "as_of_date": "2026-03-06",
   "source": {
    "doc_id": "S100XPV0",
    "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
    "submitted": "2026-03-10",
    "quote": "終値単純平均値1,614円に対して23.92％のプレミアムを加えた価格"
   },
   "basis": "過去3ヶ月間の終値単純平均値",
   "basis_en": "3-month simple average closing price"
  },
  {
   "value": 29.95,
   "unit": "percent",
   "as_of_date": "2026-03-06",
   "source": {
    "doc_id": "S100XPV0",
    "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
    "submitted": "2026-03-10",
    "quote": "終値単純平均値1,539円に対して29.95％のプレミアムを加えた価格"
   },
   "basis": "過去6ヶ月間の終値単純平均値",
   "basis_en": "6-month simple average closing price"
  }
 ],
 "profile": {
  "extracted": true,
  "listing": {
   "value": "delist",
   "source": {
    "doc_id": "S100XPV0",
    "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
    "submitted": "2026-03-10",
    "quote": "本公開買付けの成立後に、下記「(5) 本公開買付け後の組織再編等の方針(いわゆる二段階買収に関する事項)」に記載の本スクイーズアウト手続を実施することとなった場合には、所定の手続を経て上場廃止となるとのことです。"
   }
  },
  "discount_tob": {
   "value": false,
   "source": null
  },
  "acquirer_type": {
   "value": "parent",
   "source": {
    "doc_id": "S100XPV0",
    "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
    "submitted": "2026-03-10",
    "quote": "公開買付者親会社グループ(本書提出日現在において、公開買付者及び当社を含む子会社140社及び関連会社39社により構成されるグループをいいます。"
   }
  },
  "auction": {
   "value": false,
   "source": null
  },
  "competing_offer": {
   "value": false,
   "source": null
  },
  "special_committee": {
   "value": true,
   "source": {
    "doc_id": "S100XPV0",
    "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
    "submitted": "2026-03-10",
    "quote": "本特別委員会は、当社から、当社と公開買付者との間における本取引に係る協議・交渉の経緯及び内容等につき適時に報告を受けた上で"
   }
  },
  "sc_own_valuer": {
   "value": "株式会社AGS FAS",
   "source": {
    "doc_id": "S100XPV0",
    "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
    "submitted": "2026-03-10",
    "quote": "本特別委員会独自の第三者算定機関として株式会社ＡＧＳ ＦＡＳ(以下「ＡＧＳ ＦＡＳ」といいます。)を選任する旨を決定しております。"
   }
  },
  "fairness_opinions": [
   {
    "obtained_by": "special_committee",
    "provider": "株式会社AGS FAS",
    "source": {
     "doc_id": "S100XPV0",
     "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
     "submitted": "2026-03-10",
     "quote": "本特別委員会がＡＧＳ ＦＡＳから提出を受けた当社株式の株式価値に関する算定書(以下「本株式価値算定書(ＡＧＳ ＦＡＳ)」といいます。)及び本公開買付価格である１株当たり2,000円が当社の一般株主にとって財務的見地から公正である旨のフェアネス・オピニオン(以下「本フェアネス・オピニオン(ＡＧＳ ＦＡＳ)」といいます。)も提出しております。"
    }
   }
  ],
  "proposals": [
   {
    "date": "2026-02-13",
    "price": 1810,
    "proposer": "acquirer",
    "source": {
     "doc_id": "S100XPV0",
     "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
     "submitted": "2026-03-10",
     "quote": "2026年２月13日、当社及び本特別委員会に対して、2026年３月期の期末配当を無配とする前提で、本公開買付価格を１株当たり1,810円とする旨を伝達したとのことです。"
    }
   },
   {
    "date": "2026-02-20",
    "price": 1900,
    "proposer": "acquirer",
    "source": {
     "doc_id": "S100XPV0",
     "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
     "submitted": "2026-03-10",
     "quote": "2026年２月20日に、当社及び本特別委員会に対して、本公開買付価格を1,900円(提案日の前営業日である2026年２月19日の東京証券取引所スタンダード市場における当社株式の終値1,667円に対して13.98％"
    }
   },
   {
    "date": "2026-02-26",
    "price": 1950,
    "proposer": "acquirer",
    "source": {
     "doc_id": "S100XPV0",
     "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
     "submitted": "2026-03-10",
     "quote": "2026年２月26日に、当社及び本特別委員会に対して、本公開買付価格を1,950円(提案日の前営業日である2026年２月25日の東京証券取引所スタンダード市場における当社株式の終値1,635円に対して19.27％"
    }
   },
   {
    "date": "2026-03-03",
    "price": 1980,
    "proposer": "acquirer",
    "source": {
     "doc_id": "S100XPV0",
     "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
     "submitted": "2026-03-10",
     "quote": "2026年３月３日に、当社及び本特別委員会に対して、提示可能な最大限の価格として本公開買付価格を1,980円(提案日の前営業日である2026年３月２日の東京証券取引所スタンダード市場における当社株式の終値1,680円に対して17.86％"
    }
   },
   {
    "date": "2026-03-05",
    "price": 2000,
    "proposer": "acquirer",
    "source": {
     "doc_id": "S100XPV0",
     "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
     "submitted": "2026-03-10",
     "quote": "2026年３月５日に、当社及び本特別委員会に対して、３月３日付最終提案の内容を変更の上、本公開買付価格を2,000円(提案日の前営業日である2026年３月４日の東京証券取引所スタンダード市場における当社株式の終値1,607円に対して24.46％"
    }
   }
  ],
  "initial_offer": 1810,
  "offer_raise_pct": 10.5,
  "offer_rounds": 5,
  "negotiation_excluded": null,
  "category": "delisting",
  "category_basis": "filing"
 },
 "valuations": [
  {
   "valuator": "大和証券株式会社",
   "valuator_as_written": "大和証券",
   "valuator_en": "Daiwa Securities Co., Ltd.",
   "side": "acquirer",
   "method": "comparable",
   "method_label": "類似会社比較法",
   "method_en": "Comparable companies method",
   "metrics": {
    "per_share_value": {
     "low": 1492,
     "high": 2020,
     "unit": "yen_per_share",
     "source": {
      "doc_id": "S100XPV0",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
      "submitted": "2026-03-10",
      "quote": "類似会社比較法 ：1,492円～2,020円"
     }
    }
   }
  },
  {
   "valuator": "大和証券株式会社",
   "valuator_as_written": "大和証券",
   "valuator_en": "Daiwa Securities Co., Ltd.",
   "side": "acquirer",
   "method": "dcf",
   "method_label": "ＤＣＦ法",
   "method_en": "DCF method",
   "metrics": {
    "per_share_value": {
     "low": 1922,
     "high": 2411,
     "unit": "yen_per_share",
     "source": {
      "doc_id": "S100XPV0",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
      "submitted": "2026-03-10",
      "quote": "ＤＣＦ法 ：1,922円～2,411円"
     }
    }
   }
  },
  {
   "valuator": "大和証券株式会社",
   "valuator_as_written": "大和証券",
   "valuator_en": "Daiwa Securities Co., Ltd.",
   "side": "acquirer",
   "method": "market_price",
   "method_label": "市場株価法",
   "method_en": "Market price method",
   "metrics": {
    "per_share_value": {
     "low": 1539,
     "high": 1653,
     "unit": "yen_per_share",
     "source": {
      "doc_id": "S100XPT2",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPT2.pdf",
      "submitted": "2026-03-10",
      "quote": "市場株価法   ：1,539円～1,653円"
     }
    }
   }
  },
  {
   "valuator": "株式会社AGS FAS",
   "valuator_as_written": "株式会社AGS FAS",
   "valuator_en": "AGS FAS Co., Ltd.",
   "side": "special_committee",
   "method": "comparable",
   "method_label": "類似会社比較法",
   "method_en": "Comparable companies method",
   "metrics": {
    "per_share_value": {
     "low": 1625,
     "high": 1825,
     "unit": "yen_per_share",
     "source": {
      "doc_id": "S100XPV0",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
      "submitted": "2026-03-10",
      "quote": "類似会社比較法 ：1,625円～1,825円"
     }
    }
   }
  },
  {
   "valuator": "株式会社AGS FAS",
   "valuator_as_written": "株式会社AGS FAS",
   "valuator_en": "AGS FAS Co., Ltd.",
   "side": "special_committee",
   "method": "dcf",
   "method_label": "ＤＣＦ法",
   "method_en": "DCF method",
   "metrics": {
    "per_share_value": {
     "low": 1708,
     "high": 2099,
     "unit": "yen_per_share",
     "source": {
      "doc_id": "S100XPV0",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
      "submitted": "2026-03-10",
      "quote": "ＤＣＦ法 ：1,708円～2,099円"
     }
    },
    "discount_rate": {
     "low": 7.8,
     "high": 8.8,
     "unit": "percent",
     "source": {
      "doc_id": "S100XPV0",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
      "submitted": "2026-03-10",
      "quote": "割引率は加重平均資本コストを採用し、7.8％～8.8％を使用しております"
     }
    },
    "perpetual_growth_rate": {
     "low": 0.5,
     "high": 2,
     "unit": "percent",
     "source": {
      "doc_id": "S100XPV0",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
      "submitted": "2026-03-10",
      "quote": "永久成長率は日本の物価上昇率を基に0.5％～2.0％とし"
     }
    }
   }
  },
  {
   "valuator": "株式会社AGS FAS",
   "valuator_as_written": "株式会社AGS FAS",
   "valuator_en": "AGS FAS Co., Ltd.",
   "side": "special_committee",
   "method": "market_price",
   "method_label": "市場株価法",
   "method_en": "Market price method",
   "metrics": {
    "per_share_value": {
     "low": 1539,
     "high": 1653,
     "unit": "yen_per_share",
     "source": {
      "doc_id": "S100XPT2",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPT2.pdf",
      "submitted": "2026-03-10",
      "quote": "市場株価法  ：1,539円～1,653円"
     }
    }
   }
  },
  {
   "valuator": "合同会社デロイト トーマツ",
   "valuator_as_written": "合同会社デロイト トーマツ",
   "valuator_en": "Deloitte Tohmatsu LLC",
   "side": "target",
   "method": "dcf",
   "method_label": "ＤＣＦ法",
   "method_en": "DCF method",
   "metrics": {
    "per_share_value": {
     "low": 1823,
     "high": 2147,
     "unit": "yen_per_share",
     "source": {
      "doc_id": "S100XPV0",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
      "submitted": "2026-03-10",
      "quote": "ＤＣＦ法 ：1,823円～2,147円"
     }
    },
    "discount_rate": {
     "low": 8.3,
     "high": 9.3,
     "unit": "percent",
     "source": {
      "doc_id": "S100XPV0",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
      "submitted": "2026-03-10",
      "quote": "割引率は加重平均資本コストを採用し、8.3％～9.3％を使用しております"
     }
    },
    "perpetual_growth_rate": {
     "low": 0.5,
     "high": 1.5,
     "unit": "percent",
     "source": {
      "doc_id": "S100XPV0",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
      "submitted": "2026-03-10",
      "quote": "永久成長率は0.5％～1.5％とし"
     }
    }
   }
  },
  {
   "valuator": "合同会社デロイト トーマツ",
   "valuator_as_written": "合同会社デロイト トーマツ",
   "valuator_en": "Deloitte Tohmatsu LLC",
   "side": "target",
   "method": "market_price",
   "method_label": "市場株価法",
   "method_en": "Market price method",
   "metrics": {
    "per_share_value": {
     "low": 1539,
     "high": 1653,
     "unit": "yen_per_share",
     "source": {
      "doc_id": "S100XPV0",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100XPV0.pdf",
      "submitted": "2026-03-10",
      "quote": "市場株価法 ：1,539円～1,653円"
     }
    }
   }
  }
 ],
 "timeline": [
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   "date": "2026-04-22",
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   "filer": "三井住友建設株式会社",
   "filer_en": "Sumitomo Mitsui Construction Co.,Ltd.",
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  }
 ],
 "related": [],
 "flags": [],
 "unverified_count": 0
}