Clayton H Riddell, Director at Tourmaline Oil, holds 59.43M shares in Paramount Resources (Ticker: PRMRF), holds 25.36M shares in Perpetual Energy (Ticker: TSE:PMT), holds 692.60K shares in Big Rock Brewery (Ticker: TSE:BR). Most recently, Clayton H Riddell Bought ― shares of Paramount Resources on May 19, 2018 for an estimated value of 39.87K.