when I've seen strange lot buys that are the same and close in timing and buyer/seller I suspect shorting..

 

Recent Trades - All 10 today
Time ET Ex Price Change Volume Buyer Seller Markers
12:08:12 V 0.05 -0.005 27,000 85 Scotia 2 RBC K
12:08:12 V 0.05 -0.005 12,000 2 RBC 2 RBC K
11:06:06 V 0.055   40 79 CIBC 36 Latimer E
11:04:29 V 0.055   4,000 95 Wolverton 7 TD Sec KL
11:04:09 V 0.055   40 79 CIBC 36 Latimer E
11:01:35 V 0.055   40 79 CIBC 36 Latimer E
09:49:37 V 0.05   40 36 Latimer 79 CIBC E
09:46:36 V 0.05   40 36 Latimer 79 CIBC E
09:43:11 V 0.05   40 36 Latimer 79 CIBC E