{
  "meta": {
    "subject": "Roblox group 4538691",
    "retrieved": "2026-10-16T14:45:07.088Z",
    "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": 4538691,
    "name": "Zirrium Inc.",
    "created": "2018-11-18T01:45:37.337Z",
    "owner_user_id": 112395734,
    "member_count": 2457,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T12:06:27.453Z",
    "last_measured": "2026-10-16T14:20:19.311Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-10T12:06:27.453Z",
      "member_count": 2460
    },
    {
      "measured_at": "2026-08-11T04:32:10.709Z",
      "member_count": 2461
    },
    {
      "measured_at": "2026-08-11T17:04:30.953Z",
      "member_count": 2460
    },
    {
      "measured_at": "2026-08-11T21:42:00.122Z",
      "member_count": 2459
    },
    {
      "measured_at": "2026-08-15T07:50:27.327Z",
      "member_count": 2460
    },
    {
      "measured_at": "2026-08-31T21:02:40.551Z",
      "member_count": 2459
    },
    {
      "measured_at": "2026-09-02T00:11:11.711Z",
      "member_count": 2458
    },
    {
      "measured_at": "2026-09-23T18:02:10.128Z",
      "member_count": 2457
    },
    {
      "measured_at": "2026-10-03T18:22:35.511Z",
      "member_count": 2456
    },
    {
      "measured_at": "2026-10-04T13:31:19.099Z",
      "member_count": 2458
    },
    {
      "measured_at": "2026-10-14T21:32:02.845Z",
      "member_count": 2457
    }
  ],
  "name_history": [
    {
      "name": "Zirrium Inc.",
      "first_seen": "2026-08-10T12:06:27.453Z",
      "last_seen": "2026-10-16T14:20:19.311Z",
      "current": true
    }
  ],
  "ownership_events": [
    {
      "observed_at": "2026-08-10T13:52:35.086Z",
      "previous_owner": null,
      "new_owner": 112395734
    }
  ]
}