whats the purpose????

Below i have cut and pasted the 20 most recent transactions in AKK.
Can anyone explain who is doing this and for what benefit.
The very last trade was 16 shares for $0.448.
I don't see how that trade could benefit anyone.
Also how would brokerage work on these small trades?


1:54:17 PM 0.028 16 0.448
1:54:17 PM 0.028 904 25.312
1:49:25 PM 0.028 47 1.316
1:49:10 PM 0.028 777 21.756
1:44:20 PM 0.028 192 5.376
1:39:20 PM 0.028 103 2.884
1:34:18 PM 0.028 62 1.736
1:29:19 PM 0.028 49 1.372
1:24:20 PM 0.028 158 4.424
1:20:47 PM 0.029 35,000 1,015.000
1:19:23 PM 0.028 218 6.104
1:14:18 PM 0.028 158 4.424
1:13:39 PM 0.028 2,514 70.392
1:13:39 PM 0.028 19,986 559.608
1:11:28 PM 0.029 7,292 211.468
1:11:28 PM 0.029 2,708 78.532
1:09:17 PM 0.028 372 10.416
1:04:25 PM 0.028 293 8.204
12:59:24 PM 0.028 409 11.452
12:54:19 PM 0.028 281 7.868