Green For Energy, Inc. (GRGG: Pink No Information) | Venue Change Fri, Jun 19, 2020 12:00 - Green For Energy, Inc. ( GRGG : OTC Link) - Venue Change - The symbol, GRGG, no longer trades on Grey Market. As of Fri, Jun 19, 2020, GRGG trades on OTC Link. You may find a complete list of venue changes at otcmarkets.com .