{
  "timeline": [
    {
      "date": "1943/3",
      "tags": [
        "会社設立"
      ],
      "category": "会社設立",
      "region": "",
      "importance": 3,
      "event": "水産統制令により、株式会社林兼商店の内地水産部門・大洋捕鯨・遠洋捕鯨をもって西大洋漁業統制株式会社を下関市に設立。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1945/3",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 1,
      "event": "水産物・農畜産物の製造加工販売業と冷蔵倉庫業を事業目的に追加。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1945/12",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 2,
      "event": "西大洋漁業株式会社に商号変更。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1945/12",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 2,
      "event": "大洋漁業株式会社に商号変更。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1947/10",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 1,
      "event": "大都魚類株式会社を設立（現・連結子会社）。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1948/4",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 1,
      "event": "神港魚類株式会社を設立（現・連結子会社）。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1949/6",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 2,
      "event": "本社を東京都に移転。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1961/3",
      "tags": [
        "新規事業"
      ],
      "category": "新規事業",
      "region": "",
      "importance": 1,
      "event": "肥料・飼料事業を事業目的に追加。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1983/7",
      "tags": [
        "設備投資"
      ],
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "宇都宮市に練り製品工場が完成。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1985/8",
      "tags": [
        "設備投資"
      ],
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "宇都宮市に調味料・薬品・健康食品工場が完成。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1990/9",
      "tags": [
        "研究開発"
      ],
      "category": "研究開発",
      "region": "",
      "importance": 2,
      "event": "つくば市に中央研究所が完成。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1993/9",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 2,
      "event": "マルハ株式会社に商号変更。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2004/4",
      "tags": [
        "組織再編"
      ],
      "category": "組織再編",
      "region": "",
      "importance": 3,
      "event": "株式移転により完全親会社の株式会社マルハグループ本社を設立し、持株会社体制へ移行。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2007/10",
      "tags": [
        "企業買収"
      ],
      "category": "企業買収",
      "region": "",
      "importance": 3,
      "event": "株式会社マルハグループ本社と株式会社ニチロが経営統合し、ニチロを株式交換により完全子会社化。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2007/10",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 2,
      "event": "株式会社マルハグループ本社が株式会社マルハニチロホールディングスに商号変更。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2008/4",
      "tags": [
        "組織再編"
      ],
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "食品事業を株式会社マルハニチロ食品に、畜産事業を株式会社マルハニチロ畜産に吸収分割で承継。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2014/4",
      "tags": [
        "組織再編"
      ],
      "category": "組織再編",
      "region": "",
      "importance": 3,
      "event": "マルハニチロ株式会社に商号変更し、マルハニチロホールディングス・食品・畜産・マネジメント・アクリフーズを吸収合併。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2014/4",
      "tags": [
        "株式上場"
      ],
      "category": "株式上場",
      "region": "",
      "importance": 3,
      "event": "東京証券取引所市場第一部に上場。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/4",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 1,
      "event": "東京証券取引所の市場区分見直しにより、市場第一部からプライム市場へ移行。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/4",
      "tags": [
        "組織再編"
      ],
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "株式会社マルハニチロアセットを吸収合併。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2026/3",
      "tags": [],
      "category": "",
      "region": "",
      "importance": 3,
      "event": "Umios株式会社に商号変更。",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    }
  ]
}