203.2k trade was not after the close. It was a 'condition 6' trade. Condition 6 trade is a market closing trade. Trading doesn't closes of any particular stock unless condition 6 trade is made. This could either be buy or sell.
At 4PM (NY time) price of this stock was 1.189 (16:00:00 1.189 300 Finra @), but actual closing price of the stock was 1.14 after making condition 6 trade at 4:00:57 (16:00:57 1.14 203,200 NYSE Amex 6.
16:00:57 1.14 203,200 NYSE Amex 6
16:00:01 1.19 4,000 Finra @
16:00:00 1.189 300 Finra @
15:59:59 1.19 351 EDGX # F