Richard David Williams, President & Chief Executive Officer at Waseco Resources, holds 732.48K shares in Canadian Premium Sand Inc (Ticker: TSE:CPS), holds 4.70M shares in Sparton Resources (Ticker: TSE:SRI), holds 3.88M shares in Waseco Resources (Ticker: TSE:WRI). Most recently, Richard David Williams Bought ― shares of Canadian Premium Sand Inc on Sep 01, 2022 for an estimated value of 100.02K.