{ "meta": { "subject": "Roblox group 13278517", "retrieved": "2026-09-09T21:22:54.644Z", "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": 13278517, "name": "Matterhorn Studios & Development", "created": "2021-12-19T10:18:46.667Z", "owner_user_id": 1553277233, "member_count": 31239, "has_verified_badge": false, "is_locked": false, "status": "live", "first_measured": "2026-08-10T11:56:46.668Z", "last_measured": "2026-09-09T20:31:03.879Z" }, "member_history": [ { "measured_at": "2026-08-10T11:56:46.668Z", "member_count": 31310 }, { "measured_at": "2026-08-10T13:46:49.853Z", "member_count": 31310 }, { "measured_at": "2026-08-10T18:31:55.475Z", "member_count": 31309 }, { "measured_at": "2026-08-10T21:32:05.306Z", "member_count": 31308 }, { "measured_at": "2026-08-10T22:09:11.570Z", "member_count": 31307 }, { "measured_at": "2026-08-11T18:32:06.282Z", "member_count": 31306 }, { "measured_at": "2026-08-12T00:59:13.983Z", "member_count": 31305 }, { "measured_at": "2026-08-12T14:32:00.405Z", "member_count": 31304 }, { "measured_at": "2026-08-13T13:22:49.826Z", "member_count": 31303 }, { "measured_at": "2026-08-14T09:32:24.798Z", "member_count": 31302 }, { "measured_at": "2026-08-15T02:42:06.336Z", "member_count": 31301 }, { "measured_at": "2026-08-16T05:27:16.729Z", "member_count": 31300 }, { "measured_at": "2026-08-16T14:22:48.619Z", "member_count": 31299 }, { "measured_at": "2026-08-17T09:11:44.864Z", "member_count": 31297 }, { "measured_at": "2026-08-17T22:40:23.209Z", "member_count": 31296 }, { "measured_at": "2026-08-18T10:39:24.043Z", "member_count": 31295 }, { "measured_at": "2026-08-18T15:30:51.467Z", "member_count": 31294 }, { "measured_at": "2026-08-18T19:40:22.092Z", "member_count": 31293 }, { "measured_at": "2026-08-19T10:00:06.776Z", "member_count": 31292 }, { "measured_at": "2026-08-19T10:51:19.543Z", "member_count": 31291 }, { "measured_at": "2026-08-19T22:20:40.555Z", "member_count": 31290 }, { "measured_at": "2026-08-20T17:12:37.509Z", "member_count": 31289 }, { "measured_at": "2026-08-20T19:20:39.432Z", "member_count": 31288 }, { "measured_at": "2026-08-20T21:10:43.480Z", "member_count": 31287 }, { "measured_at": "2026-08-21T11:40:40.892Z", "member_count": 31286 }, { "measured_at": "2026-08-21T12:30:56.560Z", "member_count": 31285 }, { "measured_at": "2026-08-21T20:10:38.462Z", "member_count": 31284 }, { "measured_at": "2026-08-22T19:01:43.518Z", "member_count": 31283 }, { "measured_at": "2026-08-23T13:12:01.345Z", "member_count": 31282 }, { "measured_at": "2026-08-23T22:30:53.754Z", "member_count": 31281 }, { "measured_at": "2026-08-23T22:50:33.204Z", "member_count": 31280 }, { "measured_at": "2026-08-24T00:41:19.081Z", "member_count": 31279 }, { "measured_at": "2026-08-24T05:30:07.040Z", "member_count": 31278 }, { "measured_at": "2026-08-24T09:11:36.078Z", "member_count": 31277 }, { "measured_at": "2026-08-24T15:30:54.259Z", "member_count": 31276 }, { "measured_at": "2026-08-25T12:35:52.898Z", "member_count": 31275 }, { "measured_at": "2026-08-25T21:31:15.529Z", "member_count": 31273 }, { "measured_at": "2026-08-25T21:52:54.310Z", "member_count": 31272 }, { "measured_at": "2026-08-27T20:20:13.072Z", "member_count": 31271 }, { "measured_at": "2026-08-28T09:40:34.590Z", "member_count": 31270 }, { "measured_at": "2026-08-28T11:32:06.815Z", "member_count": 31269 }, { "measured_at": "2026-08-28T17:20:05.383Z", "member_count": 31268 }, { "measured_at": "2026-08-30T04:03:32.780Z", "member_count": 31267 }, { "measured_at": "2026-08-30T04:32:23.718Z", "member_count": 31266 }, { "measured_at": "2026-08-30T10:30:35.378Z", "member_count": 31265 }, { "measured_at": "2026-08-30T10:55:32.033Z", "member_count": 31264 }, { "measured_at": "2026-08-31T10:27:06.857Z", "member_count": 31263 }, { "measured_at": "2026-08-31T18:42:42.172Z", "member_count": 31262 }, { "measured_at": "2026-08-31T19:37:36.730Z", "member_count": 31260 }, { "measured_at": "2026-08-31T20:37:30.282Z", "member_count": 31258 }, { "measured_at": "2026-09-01T00:12:43.196Z", "member_count": 31257 }, { "measured_at": "2026-09-01T09:01:42.456Z", "member_count": 31256 }, { "measured_at": "2026-09-03T15:21:02.719Z", "member_count": 31255 }, { "measured_at": "2026-09-03T19:19:16.224Z", "member_count": 31254 }, { "measured_at": "2026-09-04T08:41:10.090Z", "member_count": 31253 }, { "measured_at": "2026-09-04T22:01:29.165Z", "member_count": 31252 }, { "measured_at": "2026-09-05T12:21:31.573Z", "member_count": 31251 }, { "measured_at": "2026-09-05T21:33:34.132Z", "member_count": 31248 }, { "measured_at": "2026-09-06T22:12:33.532Z", "member_count": 31247 }, { "measured_at": "2026-09-06T23:50:45.311Z", "member_count": 31246 }, { "measured_at": "2026-09-07T12:06:39.735Z", "member_count": 31245 }, { "measured_at": "2026-09-08T05:12:21.455Z", "member_count": 31244 }, { "measured_at": "2026-09-08T14:50:48.530Z", "member_count": 31243 }, { "measured_at": "2026-09-08T17:10:10.857Z", "member_count": 31242 }, { "measured_at": "2026-09-08T20:41:02.830Z", "member_count": 31241 }, { "measured_at": "2026-09-09T10:20:11.789Z", "member_count": 31240 }, { "measured_at": "2026-09-09T19:50:45.876Z", "member_count": 31239 } ], "name_history": [ { "name": "Matterhorn Studios & Development", "first_seen": "2026-08-10T11:56:46.668Z", "last_seen": "2026-09-09T20:31:03.879Z", "current": true } ], "ownership_events": [ { "observed_at": "2026-08-10T13:46:49.853Z", "previous_owner": null, "new_owner": 1553277233 } ] }