Sat, Jul 20, 2013 12:00 - Gulf Coast Oil & Gas, Inc. (GCOG: OTC Pink No Information) - Tier Change - The symbol, GCOG, no longer is classified as OTC Pink No Information. As of Sat, Jul 20, 2013, GCOG resides in the Grey Market tier. You may find a complete list of tier changes at otcmarkets.com.