{
 "schema_version": 1,
 "id": "4477-20250507",
 "type": "TOB",
 "status": "completed",
 "announced_date": "2025-05-07",
 "target": {
  "edinet_code": "E35163",
  "sec_code": "4477",
  "name": "BASE株式会社",
  "name_en": "BASE, INC.",
  "industry": "情報・通信業",
  "industry_en": "Information & Communication"
 },
 "acquirer": {
  "edinet_code": "E38700",
  "sec_code": null,
  "name": "牧 寛之",
  "name_en": "Hiroyuki Maki",
  "industry": "個人（組合発行者を除く）",
  "industry_en": null
 },
 "anchor_doc_id": "S100VPMB",
 "needs_review": false,
 "review_reason": null,
 "terms": {
  "tender_price": {
   "history": [
    {
     "value": 400,
     "unit": "yen",
     "as_of_date": null,
     "source": {
      "doc_id": "S100VPMB",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100VPMB.pdf",
      "submitted": "2025-05-07",
      "quote": "「買付代金(円)(a)」欄には、本公開買付けにおける買付予定数(17,600,000株)に公開買付価格(400円)を乗じた金額を記載しています。"
     }
    },
    {
     "value": 407,
     "unit": "yen",
     "as_of_date": null,
     "source": {
      "doc_id": "S100WFPL",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WFPL.pdf",
      "submitted": "2025-07-30",
      "quote": "388円に対して5.00％のプレミアムである19円(小数点以下を四捨五入)を加えた407円を本買付条件変更後の公開買付価格としま"
     }
    }
   ],
   "latest": {
    "value": 407,
    "unit": "yen",
    "as_of_date": null,
    "source": {
     "doc_id": "S100WFPL",
     "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WFPL.pdf",
     "submitted": "2025-07-30",
     "quote": "388円に対して5.00％のプレミアムである19円(小数点以下を四捨五入)を加えた407円を本買付条件変更後の公開買付価格としま"
    }
   }
  },
  "max_shares": {
   "history": [
    {
     "value": 17600000,
     "unit": "shares",
     "as_of_date": null,
     "source": {
      "doc_id": "S100VPMB",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100VPMB.pdf",
      "submitted": "2025-05-07",
      "quote": "買付株数の上限は17,600,000株とし、所有割合にして15.45％"
     }
    }
   ],
   "latest": {
    "value": 17600000,
    "unit": "shares",
    "as_of_date": null,
    "source": {
     "doc_id": "S100VPMB",
     "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100VPMB.pdf",
     "submitted": "2025-05-07",
     "quote": "買付株数の上限は17,600,000株とし、所有割合にして15.45％"
    }
   }
  },
  "period_end": {
   "history": [
    {
     "value": "2025-06-17",
     "unit": "date",
     "as_of_date": null,
     "source": {
      "doc_id": "S100VPMB",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100VPMB.pdf",
      "submitted": "2025-05-07",
      "quote": "公開買付期間は2025年６月17日(火曜日)まで(30営業日)となります。"
     }
    },
    {
     "value": "2025-07-30",
     "unit": "date",
     "as_of_date": null,
     "source": {
      "doc_id": "S100VT07",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100VT07.pdf",
      "submitted": "2025-05-22",
      "quote": "買付け等の期間 2025年５月７日(水曜日)から2025年７月30日(水曜日)まで(60営業日)"
     }
    },
    {
     "value": "2025-08-14",
     "unit": "date",
     "as_of_date": null,
     "source": {
      "doc_id": "S100WFPL",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WFPL.pdf",
      "submitted": "2025-07-30",
      "quote": "買付け等の期間 2025年５月７日(水曜日)から2025年８月14日(木曜日)まで(70営業日)"
     }
    }
   ],
   "latest": {
    "value": "2025-08-14",
    "unit": "date",
    "as_of_date": null,
    "source": {
     "doc_id": "S100WFPL",
     "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WFPL.pdf",
     "submitted": "2025-07-30",
     "quote": "買付け等の期間 2025年５月７日(水曜日)から2025年８月14日(木曜日)まで(70営業日)"
    }
   }
  },
  "period_business_days": {
   "history": [
    {
     "value": 30,
     "unit": "business_days",
     "as_of_date": null,
     "source": {
      "doc_id": "S100VPMB",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100VPMB.pdf",
      "submitted": "2025-05-07",
      "quote": "公開買付期間は2025年６月17日(火曜日)まで(30営業日)となります。"
     }
    },
    {
     "value": 60,
     "unit": "business_days",
     "as_of_date": null,
     "source": {
      "doc_id": "S100VT07",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100VT07.pdf",
      "submitted": "2025-05-22",
      "quote": "買付け等の期間 2025年５月７日(水曜日)から2025年７月30日(水曜日)まで(60営業日)"
     }
    },
    {
     "value": 70,
     "unit": "business_days",
     "as_of_date": null,
     "source": {
      "doc_id": "S100WFPL",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WFPL.pdf",
      "submitted": "2025-07-30",
      "quote": "買付け等の期間 2025年５月７日(水曜日)から2025年８月14日(木曜日)まで(70営業日)"
     }
    }
   ],
   "latest": {
    "value": 70,
    "unit": "business_days",
    "as_of_date": null,
    "source": {
     "doc_id": "S100WFPL",
     "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WFPL.pdf",
     "submitted": "2025-07-30",
     "quote": "買付け等の期間 2025年５月７日(水曜日)から2025年８月14日(木曜日)まで(70営業日)"
    }
   }
  },
  "period_start": {
   "history": [
    {
     "value": "2025-05-07",
     "unit": "date",
     "as_of_date": null,
     "source": {
      "doc_id": "S100VT07",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100VT07.pdf",
      "submitted": "2025-05-22",
      "quote": "買付け等の期間 2025年５月７日(水曜日)から2025年７月30日(水曜日)まで(60営業日)"
     }
    }
   ],
   "latest": {
    "value": "2025-05-07",
    "unit": "date",
    "as_of_date": null,
    "source": {
     "doc_id": "S100VT07",
     "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100VT07.pdf",
     "submitted": "2025-05-22",
     "quote": "買付け等の期間 2025年５月７日(水曜日)から2025年７月30日(水曜日)まで(60営業日)"
    }
   }
  },
  "tendered_shares": {
   "history": [
    {
     "value": 7633486,
     "unit": "shares",
     "as_of_date": null,
     "source": {
      "doc_id": "S100WJS4",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WJS4.pdf",
      "submitted": "2025-08-15",
      "quote": "応募株券等の総数(7,633,486株)"
     }
    }
   ],
   "latest": {
    "value": 7633486,
    "unit": "shares",
    "as_of_date": null,
    "source": {
     "doc_id": "S100WJS4",
     "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WJS4.pdf",
     "submitted": "2025-08-15",
     "quote": "応募株券等の総数(7,633,486株)"
    }
   }
  },
  "result": {
   "history": [
    {
     "value": "成立",
     "unit": "text",
     "as_of_date": null,
     "source": {
      "doc_id": "S100WJS4",
      "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WJS4.pdf",
      "submitted": "2025-08-15",
      "quote": "応募株券等の総数(7,633,486株)が買付予定数の上限(17,600,000株)を超えませんでしたので、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": "S100WJS4",
     "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WJS4.pdf",
     "submitted": "2025-08-15",
     "quote": "応募株券等の総数(7,633,486株)が買付予定数の上限(17,600,000株)を超えませんでしたので、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": 3.04,
   "unit": "percent",
   "as_of_date": "2025-07-29",
   "source": {
    "doc_id": "S100WFPL",
    "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WFPL.pdf",
    "submitted": "2025-07-30",
    "quote": "本書提出日の前営業日である2025年７月29日の対象者株式の終値である395円に対するプレミアム率は3.04％となります。"
   },
   "basis": "前営業日終値",
   "basis_en": "Closing price on the business day before announcement"
  },
  {
   "value": -1.23,
   "unit": "percent",
   "as_of_date": "2025-05-01",
   "source": {
    "doc_id": "S100VPMB",
    "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100VPMB.pdf",
    "submitted": "2025-05-07",
    "quote": "過去１か月間の終値単純平均値405円(小数点以下を四捨五入。以下終値単純平均値の計算において同じです。)に対してのディスカウント率は1.23％"
   },
   "basis": "過去1ヶ月間の終値単純平均値",
   "basis_en": "1-month simple average closing price"
  },
  {
   "value": -4.08,
   "unit": "percent",
   "as_of_date": "2025-05-01",
   "source": {
    "doc_id": "S100VPMB",
    "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100VPMB.pdf",
    "submitted": "2025-05-07",
    "quote": "過去３か月間の終値単純平均値417円に対してのディスカウント率は4.08％"
   },
   "basis": "過去3ヶ月間の終値単純平均値",
   "basis_en": "3-month simple average closing price"
  },
  {
   "value": 10.19,
   "unit": "percent",
   "as_of_date": "2025-05-01",
   "source": {
    "doc_id": "S100VPMB",
    "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100VPMB.pdf",
    "submitted": "2025-05-07",
    "quote": "過去６か月間の終値単純平均値363円に対してのプレミアム率は10.19％"
   },
   "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": "keep_listing",
   "source": {
    "doc_id": "S100VRNK",
    "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100VRNK.pdf",
    "submitted": "2025-05-15",
    "quote": "公開買付者によれば、本公開買付けは当社株式の上場廃止を企図するものではなく、公開買付者が買付株数の上限である所有割合30.00％まで当社株式を買い付けた場合でも、上場廃止となる見込みはないとのことです。"
   }
  },
  "discount_tob": {
   "value": false,
   "source": null
  },
  "acquirer_type": {
   "value": "unknown",
   "source": null
  },
  "auction": {
   "value": false,
   "source": null
  },
  "competing_offer": {
   "value": false,
   "source": null
  },
  "special_committee": {
   "value": true,
   "source": {
    "doc_id": "S100VRNK",
    "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100VRNK.pdf",
    "submitted": "2025-05-15",
    "quote": "当社取締役会は、独立社外取締役３名から構成される本独立委員会の意見を最大限尊重して対応しており"
   }
  },
  "sc_own_valuer": null,
  "fairness_opinions": [],
  "proposals": [],
  "initial_offer": null,
  "offer_raise_pct": null,
  "offer_rounds": null,
  "negotiation_excluded": null,
  "category": "partial",
  "category_basis": "filing"
 },
 "valuations": [],
 "timeline": [
  {
   "date": "2025-05-07",
   "doc_id": "S100VPMB",
   "doc_type_code": "240",
   "doc_type": "公開買付届出書",
   "filer": "牧 寛之",
   "filer_en": "Hiroyuki Maki",
   "description": "公開買付届出書",
   "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100VPMB.pdf"
  },
  {
   "date": "2025-05-15",
   "doc_id": "S100VRNK",
   "doc_type_code": "290",
   "doc_type": "意見表明報告書",
   "filer": "BASE株式会社",
   "filer_en": "BASE, INC.",
   "description": "意見表明報告書",
   "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100VRNK.pdf"
  },
  {
   "date": "2025-05-22",
   "doc_id": "S100VT07",
   "doc_type_code": "250",
   "doc_type": "訂正公開買付届出書",
   "filer": "牧 寛之",
   "filer_en": "Hiroyuki Maki",
   "description": "訂正公開買付届出書",
   "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100VT07.pdf"
  },
  {
   "date": "2025-05-22",
   "doc_id": "S100VT0J",
   "doc_type_code": "310",
   "doc_type": "対質問回答報告書",
   "filer": "牧 寛之",
   "filer_en": "Hiroyuki Maki",
   "description": "対質問回答報告書",
   "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100VT0J.pdf"
  },
  {
   "date": "2025-07-30",
   "doc_id": "S100WFPL",
   "doc_type_code": "250",
   "doc_type": "訂正公開買付届出書",
   "filer": "牧 寛之",
   "filer_en": "Hiroyuki Maki",
   "description": "訂正公開買付届出書",
   "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WFPL.pdf"
  },
  {
   "date": "2025-08-05",
   "doc_id": "S100WGS4",
   "doc_type_code": "300",
   "doc_type": "訂正意見表明報告書",
   "filer": "BASE株式会社",
   "filer_en": "BASE, INC.",
   "description": "訂正意見表明報告書",
   "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WGS4.pdf"
  },
  {
   "date": "2025-08-15",
   "doc_id": "S100WJS4",
   "doc_type_code": "270",
   "doc_type": "公開買付報告書",
   "filer": "牧 寛之",
   "filer_en": "Hiroyuki Maki",
   "description": "公開買付報告書",
   "doc_url": "https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100WJS4.pdf"
  }
 ],
 "related": [],
 "flags": [
  {
   "kind": "revised",
   "subject": "tob_terms:tender_price",
   "detail": "S100VPMB: 400.0 → S100WFPL: 407.0"
  },
  {
   "kind": "revised",
   "subject": "tob_terms:period_end",
   "detail": "S100VPMB: 2025-06-17 → S100VT07: 2025-07-30"
  },
  {
   "kind": "revised",
   "subject": "tob_terms:period_end",
   "detail": "S100VT07: 2025-07-30 → S100WFPL: 2025-08-14"
  },
  {
   "kind": "revised",
   "subject": "tob_terms:period_business_days",
   "detail": "S100VPMB: 30.0 → S100VT07: 60.0"
  },
  {
   "kind": "revised",
   "subject": "tob_terms:period_business_days",
   "detail": "S100VT07: 60.0 → S100WFPL: 70.0"
  }
 ],
 "unverified_count": 0
}