{
  "meta": {
    "subject": "Roblox group 4453572",
    "retrieved": "2026-09-07T10:53:53.898Z",
    "licence": "Measured by roregister.com from public Roblox APIs. Free to reuse with attribution to roregister.com. Not affiliated with Roblox Corporation.",
    "notes": {
      "member_history": "insert-on-change; a point exists only where the value differed from the prior reading.",
      "detection_dates": "ownership/name changes are dated when this register observed them, not when they happened."
    }
  },
  "group": {
    "id": 4453572,
    "name": "Hacker A",
    "created": "2018-09-30T17:04:26.743Z",
    "owner_user_id": 1604530610,
    "member_count": 8884,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T12:14:19.421Z",
    "last_measured": "2026-09-07T10:10:47.221Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-10T12:14:19.421Z",
      "member_count": 8871
    },
    {
      "measured_at": "2026-08-11T20:31:48.899Z",
      "member_count": 8874
    },
    {
      "measured_at": "2026-08-15T20:02:09.052Z",
      "member_count": 8875
    },
    {
      "measured_at": "2026-08-16T14:42:34.544Z",
      "member_count": 8877
    },
    {
      "measured_at": "2026-08-16T18:32:17.182Z",
      "member_count": 8878
    },
    {
      "measured_at": "2026-08-18T01:51:07.510Z",
      "member_count": 8879
    },
    {
      "measured_at": "2026-08-20T13:50:53.746Z",
      "member_count": 8880
    },
    {
      "measured_at": "2026-08-21T15:03:52.065Z",
      "member_count": 8881
    },
    {
      "measured_at": "2026-08-24T10:41:20.795Z",
      "member_count": 8882
    },
    {
      "measured_at": "2026-08-24T16:30:17.098Z",
      "member_count": 8883
    },
    {
      "measured_at": "2026-08-24T20:20:12.885Z",
      "member_count": 8884
    },
    {
      "measured_at": "2026-08-29T18:31:50.541Z",
      "member_count": 8885
    },
    {
      "measured_at": "2026-08-30T13:16:22.774Z",
      "member_count": 8884
    },
    {
      "measured_at": "2026-09-02T18:10:06.938Z",
      "member_count": 8885
    },
    {
      "measured_at": "2026-09-03T23:40:24.694Z",
      "member_count": 8884
    },
    {
      "measured_at": "2026-09-05T15:51:09.516Z",
      "member_count": 8885
    },
    {
      "measured_at": "2026-09-05T22:45:05.160Z",
      "member_count": 8884
    }
  ],
  "name_history": [
    {
      "name": "Hacker A",
      "first_seen": "2026-08-10T12:14:19.421Z",
      "last_seen": "2026-09-07T10:10:47.221Z",
      "current": true
    }
  ],
  "ownership_events": [
    {
      "observed_at": "2026-08-10T13:51:36.365Z",
      "previous_owner": null,
      "new_owner": 1604530610
    }
  ]
}