{
  "schema_version": 1,
  "generated_at": "2026-04-30T23:03:32Z",
  "lookback_days": 60,
  "min_distinct_buyers": 3,
  "clusters": [
    {
      "ticker": "TSM",
      "distinct_buyers": 29,
      "buy_count": 34,
      "total_value_usd": 658215.96,
      "first_buy": "2026-03-22",
      "last_buy": "2026-04-28",
      "insider_names": [
        "Tien Bor-Zen",
        "Yoo Chue-San",
        "Yuan Lipen",
        "Zhang Kevin Xiaoqiang",
        "Wang Ying-Lang",
        "Yeap Choh Fei",
        "Wu Shien-Yang",
        "Wei Che-Chia",
        "Liaw Yung-Haw",
        "Lu Lee-Chung",
        "Mii Yuh-Jier",
        "Lin Shyue-Shyh",
        "Lin Chris Horng-Dar",
        "Hsu Kuo-Chin",
        "Huang Jen-Chau",
        "Hwang Yuan-Ko",
        "Lee Chun-Hsien",
        "Jang Syun-Ming",
        "Fang Shu-Hua",
        "Chuang Tzu-Sou",
        "He Jun",
        "Chuang Juiping",
        "Hou Yung-Chin",
        "Chin Yung-Pei",
        "Chen Pei-Hung",
        "Chen Chih-Ho",
        "Chang Tzonz-Sheng",
        "Cao Min",
        "BURNS URSULA M"
      ]
    }
  ]
}