"The sanctions also include two Cyprus-based companies and one Hong Kong-based company – Moonstorm Enterprises LTD, Tardigrade Limited, and Business Diversity Limited.The Department of the Treasury claimed that the companies are “owned or controlled by, or acting or purporting to act for or on behalf of, directly or indirectly, Tesic”." - https://balkaninsight.com/2019/12/10/us-expands-sanctions-ag...
Edited to add: or the arms dealer. Either seem likely.