David Aubrey Rosenkrantz, Director, Ten Percent Owner at Aurora Spine, holds 8.83M shares in Aurora Spine (Ticker: TSE:ASG), holds 194.40K shares in Aimia Inc. (Ticker: TSE:AIM), holds 490.00K shares in NexgenRx (Ticker: TSE:NXG). Most recently, David Aubrey Rosenkrantz Bought ― shares of Aurora Spine on Mar 13, 2020 for an estimated value of 7.00K.