Jeffrey S Boyce, Director at Tamarack Valley Energy, holds 2.04M shares in Tamarack Valley Energy (Ticker: TNEYF), holds 7.01M shares in Northern Shield Resources (Ticker: TSE:NRN). Most recently, Jeffrey S Boyce Bought ― shares of Tamarack Valley Energy on May 24, 2023 for an estimated value of 142.74K.