On the right hand side of the Agoracom screen, (below the President's DD) there is a section for the STOCK QUOTE. At the bottom of this section it says LEVEL II. Click on this. Another window opens, and on the rhs it shows time amount and buyer and seller of each trade. National Bank is # 080, TD Securities is #7, RBC is #2, Cannacord is #33.

Looks like they finished buying about 3 pm and started again at 3:30