GRCK(.079) Grey Cloak Tech Inc. Completes Acquisition of BergaMet NA, LLC https://globenewswire.com/news-release/2019/02/07/1713636/0/en/Grey-Cloak-Tech-Inc-Completes-Acquisition-of-BergaMet-NA-LLC.html https://marketexclusive.com/grey-cloak-tech-inc-otcmktsgrck-files-an-8-k-entry-into-a-material-definitive-agreement-6/2019/02/