{
  "meta": {
    "subject": "Roblox group 9884565",
    "retrieved": "2026-10-21T16:53:21.021Z",
    "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": 9884565,
    "name": "Big Brain Developments",
    "created": "2021-03-07T18:00:03.497Z",
    "owner_user_id": 104415244,
    "member_count": 2560,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T11:48:01.690Z",
    "last_measured": "2026-10-21T15:21:43.519Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-10T11:48:01.689Z",
      "member_count": 2571
    },
    {
      "measured_at": "2026-08-10T12:49:01.184Z",
      "member_count": 2571
    },
    {
      "measured_at": "2026-08-11T15:32:20.259Z",
      "member_count": 2570
    },
    {
      "measured_at": "2026-08-15T09:10:40.881Z",
      "member_count": 2569
    },
    {
      "measured_at": "2026-09-13T19:10:08.506Z",
      "member_count": 2568
    },
    {
      "measured_at": "2026-09-25T15:21:38.797Z",
      "member_count": 2567
    },
    {
      "measured_at": "2026-09-27T13:02:17.172Z",
      "member_count": 2568
    },
    {
      "measured_at": "2026-09-30T06:00:17.479Z",
      "member_count": 2569
    },
    {
      "measured_at": "2026-10-01T20:10:08.439Z",
      "member_count": 2568
    },
    {
      "measured_at": "2026-10-04T11:01:57.837Z",
      "member_count": 2567
    },
    {
      "measured_at": "2026-10-04T18:41:35.037Z",
      "member_count": 2566
    },
    {
      "measured_at": "2026-10-05T04:11:57.610Z",
      "member_count": 2565
    },
    {
      "measured_at": "2026-10-11T03:21:14.979Z",
      "member_count": 2564
    },
    {
      "measured_at": "2026-10-12T19:21:55.562Z",
      "member_count": 2563
    },
    {
      "measured_at": "2026-10-15T19:52:15.694Z",
      "member_count": 2562
    },
    {
      "measured_at": "2026-10-17T15:50:48.643Z",
      "member_count": 2561
    },
    {
      "measured_at": "2026-10-17T17:41:49.257Z",
      "member_count": 2560
    }
  ],
  "name_history": [
    {
      "name": "Big Brain Developments",
      "first_seen": "2026-08-10T11:48:01.689Z",
      "last_seen": "2026-10-21T15:21:43.519Z",
      "current": true
    }
  ],
  "ownership_events": [
    {
      "observed_at": "2026-08-10T12:49:01.184Z",
      "previous_owner": null,
      "new_owner": 104415244
    }
  ]
}