Extract: "These are the highest selling New gTLD domain names of 2014. All domains were sold for $10,000 or more either by the respective registry or by a domain name reseller".
Source: http://onlinedomain.com/2015/01/14/news/top-10-new-gtld-domain-name-sales-of-2014/.
Domainers register their domain names with Uniregistry.