Why so much buy low number per trade on this stock?1:11:45 PM...

Why so much buy low number per trade on this stock?

1:11:45 PM 0.455 shares bought 5 total price 2.275
1:06:44 PM 0.455 shares bought 6 total price 2.730
1:06:08 PM 0.455 shares bought 40 total price 18.200
1:01:43 PM 0.455 shares bought 5 total price 2.275
1:01:18 PM 0.455 shares bought 52 total price 23.660
12:56:41 PM 0.455 shares bought 5 total price 2.275
12:55:51 PM 0.455 shares bought 95 total price 43.225
12:51:39 PM 0.455 shares bought 25 total price 11.375
12:46:37 PM 0.455 shares bought 4 total price 1.820

Some of them it does not even cover the brokerage fees