{
  "meta": {
    "subject": "Roblox group 15719440",
    "retrieved": "2026-10-17T23:28:50.121Z",
    "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": 15719440,
    "name": "The Rubicon Project",
    "created": "2022-08-20T05:20:08.077Z",
    "owner_user_id": 1787818126,
    "member_count": 1833,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T12:13:01.424Z",
    "last_measured": "2026-10-17T22:51:18.579Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-10T12:13:01.424Z",
      "member_count": 1824
    },
    {
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      "member_count": 1823
    },
    {
      "measured_at": "2026-08-18T22:40:46.484Z",
      "member_count": 1822
    },
    {
      "measured_at": "2026-08-20T20:22:09.980Z",
      "member_count": 1824
    },
    {
      "measured_at": "2026-08-21T07:51:38.709Z",
      "member_count": 1825
    },
    {
      "measured_at": "2026-08-22T10:32:14.549Z",
      "member_count": 1826
    },
    {
      "measured_at": "2026-08-24T00:41:49.366Z",
      "member_count": 1827
    },
    {
      "measured_at": "2026-08-24T10:20:20.775Z",
      "member_count": 1828
    },
    {
      "measured_at": "2026-08-24T16:58:39.263Z",
      "member_count": 1827
    },
    {
      "measured_at": "2026-08-25T04:50:49.816Z",
      "member_count": 1826
    },
    {
      "measured_at": "2026-08-25T10:25:38.799Z",
      "member_count": 1825
    },
    {
      "measured_at": "2026-09-03T06:52:57.564Z",
      "member_count": 1827
    },
    {
      "measured_at": "2026-09-08T14:11:14.734Z",
      "member_count": 1828
    },
    {
      "measured_at": "2026-09-09T16:51:52.324Z",
      "member_count": 1829
    },
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      "member_count": 1830
    },
    {
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      "member_count": 1831
    },
    {
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      "member_count": 1832
    },
    {
      "measured_at": "2026-09-17T00:50:07.545Z",
      "member_count": 1833
    },
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      "member_count": 1834
    },
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      "member_count": 1835
    },
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    },
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      "member_count": 1835
    },
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      "member_count": 1834
    },
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      "member_count": 1835
    },
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      "member_count": 1834
    },
    {
      "measured_at": "2026-10-12T22:40:48.714Z",
      "member_count": 1833
    }
  ],
  "name_history": [
    {
      "name": "The Rubicon Project",
      "first_seen": "2026-08-10T12:13:01.424Z",
      "last_seen": "2026-10-17T22:51:18.579Z",
      "current": true
    }
  ],
  "ownership_events": [
    {
      "observed_at": "2026-08-10T16:30:49.621Z",
      "previous_owner": null,
      "new_owner": 1787818126
    }
  ]
}