Magna Terra Minerals Inc. (BRIOF: Grey Market) | Splits Fri, Aug 14, 2020 12:00 - Magna Terra Minerals Inc. ( BRIOF : Grey Market) - Splits - Effective Fri, Aug 14, 2020, BRIOF: Grey Market engaged in a rev split. As a result of the split, shs decreased by 1 for 7 split. Due to the split, BRIOF is no longer valid. The new trading symbol is BRIOD. You may find a complete list of splits at otcmarkets.com .