{
  "timeline": [
    {
      "date": "1957/4",
      "category": "会社設立",
      "region": "",
      "importance": 3,
      "event": "日本不動産銀行として設立",
      "detail": "長期信用銀行法に基づき設立",
      "significance": "戦後復興期の長期信用銀行3行の一角として、不動産金融を担う政府系長信銀として産声を上げた",
      "source": "有価証券報告書",
      "amount": "資本金10億円"
    },
    {
      "date": "1964/7",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "外国為替業務を開始",
      "detail": "外国為替公認銀行に指定",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1964/9",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "東京証券取引所に株式上場",
      "detail": "",
      "significance": "長信銀として資本市場から直接調達する体制を確立",
      "source": "有価証券報告書"
    },
    {
      "date": "1970/2",
      "category": "株式上場",
      "region": "",
      "importance": 1,
      "event": "大阪証券取引所に株式上場",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1977/10",
      "category": "組織再編",
      "region": "",
      "importance": 3,
      "event": "行名を日本債券信用銀行に変更",
      "detail": "不動産金融専業から総合長信銀への脱皮",
      "significance": "3長信銀体制の一角として、産業金融全般を担う姿勢を明確化",
      "source": "有価証券報告書"
    },
    {
      "date": "1994/2",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "日債銀信託銀行を設立",
      "detail": "現GMOあおぞらネット銀行の前身",
      "significance": "信託業務への展開を通じた業務多角化の起点",
      "source": "有価証券報告書"
    },
    {
      "date": "1998/12",
      "category": "経営計画",
      "region": "",
      "importance": 5,
      "event": "特別公的管理開始",
      "detail": "金融危機による破綻・国有化。東証・大証上場廃止",
      "significance": "日本の金融史上最大級の銀行破綻処理のひとつ。日本長期信用銀行・北海道拓殖銀行と並ぶ平成金融危機の象徴的事件",
      "source": "有価証券報告書"
    },
    {
      "date": "1999/9",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "日債銀債権回収がサービサー営業開始",
      "detail": "現あおぞら債権回収",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2000/9",
      "category": "経営計画",
      "region": "",
      "importance": 4,
      "event": "特別公的管理終了、再民営化",
      "detail": "ソフトバンク・オリックス・東京海上等による買収",
      "significance": "日本で初の外資系連合主導による大型銀行再建事例。国有化からの脱出",
      "source": "有価証券報告書"
    },
    {
      "date": "2001/1",
      "category": "組織再編",
      "region": "",
      "importance": 3,
      "event": "行名をあおぞら銀行に変更",
      "detail": "日債銀から決別する新ブランド",
      "significance": "破綻銀行からの完全再生を象徴するリブランディング",
      "source": "有価証券報告書"
    },
    {
      "date": "2003/4",
      "category": "経営計画",
      "region": "",
      "importance": 3,
      "event": "サーベラス傘下入り",
      "detail": "ソフトバンクが保有株式をサーベラスに売却",
      "significance": "米系ファンド主導の日本銀行経営という稀有な枠組みの始点",
      "source": ""
    },
    {
      "date": "2005/7",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "ニューヨーク駐在員事務所を開設",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2006/4",
      "category": "組織再編",
      "region": "",
      "importance": 3,
      "event": "普通銀行に転換",
      "detail": "長信銀から普通銀行免許へ",
      "significance": "50年続いた長信銀としての歴史に幕。業務規制の制約から解放",
      "source": "有価証券報告書"
    },
    {
      "date": "2006/4",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "あおぞら証券を設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2006/11",
      "category": "株式上場",
      "region": "",
      "importance": 3,
      "event": "東京証券取引所市場第一部に株式上場",
      "detail": "特別公的管理による上場廃止から8年ぶりの再上場",
      "significance": "公的資金下にあった銀行が上場市場に復帰した数少ない事例",
      "source": "有価証券報告書"
    },
    {
      "date": "2007/5",
      "category": "組織再編",
      "region": "中国",
      "importance": 1,
      "event": "上海駐在員事務所を開設",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2008/3",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "経常赤字に転落",
      "detail": "リーマン・ショック前夜、サブプライム損失影響",
      "significance": "長信銀からの脱皮直後にグローバル金融危機の直撃を受けた",
      "source": "有価証券報告書",
      "amount": "経常損失▲215億円"
    },
    {
      "date": "2009/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "大幅純損失を計上",
      "detail": "リーマン・ショックによる海外クレジット投資損失",
      "significance": "平成金融危機後の再建プロセスに深刻な影響を与えた金融危機",
      "source": "有価証券報告書",
      "amount": "純損失▲2,425億円"
    },
    {
      "date": "2009/4",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "インターネット支店（現BANK支店）開設",
      "detail": "インターネットバンキング業務開始",
      "significance": "後のBANKブランドの起点。対面店舗網を持たない銀行の個人預金調達モデルを構築",
      "source": "有価証券報告書"
    },
    {
      "date": "2012/8",
      "category": "経営計画",
      "region": "",
      "importance": 3,
      "event": "資本再構成プラン発表",
      "detail": "公的資金返済の枠組みを提示",
      "significance": "平成金融危機で注入された公的資金の完済への道筋を提示した重要な節目",
      "source": "有価証券報告書"
    },
    {
      "date": "2013/3",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "あおぞら地域総研を設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2013/3",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "あおぞらキャッシュカード・プラス取扱開始",
      "detail": "Visaデビット機能付",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2014/2",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "あおぞら投信を設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2014/5",
      "category": "組織再編",
      "region": "東南アジア",
      "importance": 1,
      "event": "シンガポール駐在員事務所を開設",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/1",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "あおぞら不動産投資顧問を設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/6",
      "category": "経営計画",
      "region": "",
      "importance": 4,
      "event": "公的資金を完済",
      "detail": "破綻処理から15年越しの完済",
      "significance": "平成金融危機で注入された公的資金を民間自力で返済した歴史的節目。再民営化からの完全自立",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/12",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "Aozora Europe Limitedを設立",
      "detail": "ロンドン",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2017/4",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "本店を千代田区麹町に移転",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/4",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "ABNアドバイザーズを設立",
      "detail": "M&Aアドバイザリー専業子会社",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/7",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "あおぞら企業投資を設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/7",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "馬場信輔が代表取締役社長に就任",
      "detail": "",
      "significance": "長信銀OBからの世代交代",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/10",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "GMOあおぞらネット銀行がインターネット銀行事業を開始",
      "detail": "旧日債銀信託銀行を改組、GMOインターネットグループと共同運営",
      "significance": "法人向けインターネット専業銀行という業界初のポジションを確立。後の投資銀行ビジネスの柱の一角となる",
      "source": "有価証券報告書"
    },
    {
      "date": "2019/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "谷川啓が代表取締役社長に就任",
      "detail": "",
      "significance": "BANKブランド拡大期のトップ",
      "source": "有価証券報告書"
    },
    {
      "date": "2020/6",
      "category": "",
      "region": "東南アジア",
      "importance": 2,
      "event": "ベトナムOCB銀行に出資",
      "detail": "Orient Commercial Joint Stock Bankが関連会社化",
      "significance": "東南アジアでのリテール・コーポレート両面での足場確保",
      "source": "有価証券報告書",
      "amount": "出資比率15%"
    },
    {
      "date": "2020/9",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "Aozora North America, Inc.が金融業務開始",
      "detail": "ニューヨーク",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/4",
      "category": "株式上場",
      "region": "",
      "importance": 1,
      "event": "東京証券取引所プライム市場へ移行",
      "detail": "市場区分見直しに伴う",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2023/6",
      "category": "",
      "region": "中国",
      "importance": 1,
      "event": "Aozora Asia Pacific Limitedを香港に設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/2",
      "category": "",
      "region": "",
      "importance": 4,
      "event": "15年ぶりの大幅赤字を計上",
      "detail": "米国オフィス向けノンリコースローン引当、有価証券評価損",
      "significance": "リーマン後最大の赤字。経営刷新と戦略転換の直接的な引き金となった",
      "source": "有価証券報告書",
      "amount": "純損失▲499億円"
    },
    {
      "date": "2024/2",
      "category": "社長交代",
      "region": "",
      "importance": 3,
      "event": "大見秀人が代表取締役社長に就任",
      "detail": "15年ぶり赤字を受けて交代",
      "significance": "投資銀行特化戦略への大転換を担う新体制のトップ交代",
      "source": ""
    },
    {
      "date": "2024/5",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "新勘定系システムへの移行完了",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/7",
      "category": "経営計画",
      "region": "",
      "importance": 4,
      "event": "大和証券グループ本社と資本業務提携",
      "detail": "第三者割当増資により大和Gが24%株主に",
      "significance": "メガ・地銀に属さない独自ポジションを、大手証券との協業で拡張する構造転換。投資銀行ビジネスのディストリビューション力を強化",
      "source": "有価証券報告書",
      "amount": "増資額519億円"
    },
    {
      "date": "2025/5",
      "category": "経営計画",
      "region": "",
      "importance": 3,
      "event": "新中期経営計画（2025-2027年度）発表",
      "detail": "2027年度親会社株主純利益330億円・CET1比率9%目標",
      "significance": "赤字からの再生と大和提携を織り込んだ、金利正常化時代の事業モデルを提示",
      "source": "IR",
      "amount": "2027年度330億円"
    }
  ]
}