{
  "spec_version": "3",
  "endpoint": "decisions",
  "stock_code": "2154",
  "company_name": "オープンアップグループ",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/2154/",
  "api_url": "/api/2154/decisions.json",
  "updated": "2026-08-05",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/2154/",
  "count": 3,
  "description": "Index of this company's management decisions. One decision = one endpoint: follow api_url for the full dossier (background, the decision itself, outcome, quoted primary sources and references).",
  "decisions": [
    {
      "slug": "trust-tech-acquisition-2005",
      "url": "/tse/2154/decisions/trust-tech-acquisition-2005/",
      "api_url": "/api/2154/decisions/trust-tech-acquisition-2005.json",
      "year": 2005,
      "month": 6,
      "type": "acquisition",
      "tags": [
        "bm-core-shift",
        "ma-rollup"
      ],
      "title": "障害者雇用の特例子会社にトラスト・テックを買い、技術者派遣を本業に据える",
      "subtitle": "1997年設立の法人格を残したまま、事業だけを二度入れ替えた2005年6月の全株式取得",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "listing-upgrade-2013",
      "url": "/tse/2154/decisions/listing-upgrade-2013/",
      "api_url": "/api/2154/decisions/listing-upgrade-2013.json",
      "year": 2013,
      "month": 12,
      "type": "capital",
      "tags": [
        "cp-listing",
        "cp-finance"
      ],
      "title": "ジャスダック上場から東証二部・一部へ、6年半かけた市場区分の引き上げ",
      "subtitle": "2007年6月6日の新規上場から2013年12月3日の一部指定まで、二度の株式分割を挟んで進んだ段階的な移動",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "yumeshin-merger-2021",
      "url": "/tse/2154/decisions/yumeshin-merger-2021/",
      "api_url": "/api/2154/decisions/yumeshin-merger-2021.json",
      "year": 2021,
      "month": 1,
      "type": "acquisition",
      "tags": [
        "ma-merger",
        "ma-pmi",
        "st-brand"
      ],
      "title": "夢真ホールディングスを株式だけで吸収合併し、2年後に両社の名を社名から外す",
      "subtitle": "合併比率1対0.63、対価804億円のうち717億円がのれんだった2021年4月1日の経営統合",
      "status": "implemented",
      "status_label": "実施"
    }
  ],
  "by_type": [
    {
      "key": "acquisition",
      "count": 2,
      "url": "/api/2154/decisions/by-type/acquisition.json"
    },
    {
      "key": "capital",
      "count": 1,
      "url": "/api/2154/decisions/by-type/capital.json"
    }
  ],
  "by_decade": [
    {
      "key": "2000s",
      "count": 1,
      "url": "/api/2154/decisions/by-decade/2000s.json"
    },
    {
      "key": "2010s",
      "count": 1,
      "url": "/api/2154/decisions/by-decade/2010s.json"
    },
    {
      "key": "2020s",
      "count": 1,
      "url": "/api/2154/decisions/by-decade/2020s.json"
    }
  ]
}