is this wierd???

I have been watching the course of sales on CommSec today and there is a very strange pattern of sales. I am not sure if this happens regularly but would love some feedback on it from some more experienced traders. This is what the course of sales looked like -
01:30:38 PM 0.130 1 0.13
01:30:18 PM 0.130 7 0.91
01:29:57 PM 0.130 32 4.16
01:29:37 PM 0.130 160 20.80
01:29:16 PM 0.130 800 104.00
01:28:56 PM 0.130 4,000 520.00
01:28:56 PM 0.135 20,000 2,700.00
01:22:01 PM 0.130 3 0.39
01:21:40 PM 0.130 13 1.69
01:21:20 PM 0.130 64 8.32
01:20:59 PM 0.130 320 41.60
01:20:39 PM 0.130 1,600 208.00
01:20:19 PM 0.130 8,000 1,040.00
01:20:18 PM 0.130 40,000 5,200.00
01:19:58 PM 0.130 3 0.39
01:19:38 PM 0.130 13 1.69
01:19:18 PM 0.130 65 8.45
01:18:57 PM 0.130 325 42.25
01:18:37 PM 0.130 1,623 210.99
01:18:21 PM 0.130 7,334 953.42
01:18:16 PM 0.130 785 102.05
01:17:56 PM 0.130 3,921 509.73
01:17:50 PM 0.135 19,526 2,636.01
01:17:35 PM 0.130 80 10.40
01:17:15 PM 0.130 400 52.00
01:16:55 PM 0.130 2,000 260.00
01:16:54 PM 0.130 10,000 1,300.00
12:59:49 PM 0.130 1 0.13
12:59:28 PM 0.130 6 0.78
12:59:08 PM 0.130 27 3.51
12:58:47 PM 0.130 136 17.68
12:58:27 PM 0.130 680 88.40
12:58:07 PM 0.130 3,400 442.00
12:58:06 PM 0.130 17,000 2,210.00
12:26:14 PM 0.130 1 0.13
12:25:54 PM 0.130 7 0.91
12:25:34 PM 0.130 31 4.03
12:25:13 PM 0.130 157 20.41
12:24:53 PM 0.130 783 101.79
12:24:33 PM 0.130 3,918 509.34
12:24:33 PM 0.135 19,587 2,644.25
11:51:06 AM 0.130 1 0.13
11:50:46 AM 0.130 8 1.04
11:50:25 AM 0.130 40 5.20
11:50:05 AM 0.130 200 26.00
11:49:45 AM 0.130 1,000 130.00
11:49:24 AM 0.130 5,000 650.00
11:49:04 AM 0.130 25,000 3,250.00
Look forward to any comments and and thoughts on what this means if anything.