Greenheart Gold Announces Upgrade To OTCQX
Breadcrumb Trail Links Newsfile Article content Longueuil, Québec–(Newsfile Corp. – May 27, 2025) – Greenheart Gold Inc. (TSXV: GHRT) (OTCQX: GHRTF) (the “Company” or “Greenheart Gold”) is pleased to announce that it has qualified to upgrade from the OTCQB …