last 15 minutes of trade, page-2

Here are the last 10 trades for NAL from July 2.
Whats so special about the last 15 minutes of trade?

Time --Price ($) -- Quantity -- Value ($)

03:54 PM $0.820 17250 $14,145.000
03:52 PM $0.830 3000 $2,490.000
03:48 PM $0.820 37449 $30,708.180
03:48 PM $0.820 22551 $18,491.820
03:42 PM $0.830 8000 $6,640.000
03:34 PM $0.820 10000 $8,200.000
03:32 PM $0.830 3435 $2,851.050
03:32 PM $0.830 1290 $1,070.700
03:24 PM $0.830 10000 $8,300.000
03:18 PM $0.830 3965 $3,290.950