there were quite a few on the day of ch 11 filing all the way to 10PM. their 52 week low is registered 0,01 USD. previous close is registered at 0,017 USD: http://www.otcmarkets.com/stock/MDWCQ/quote
I purchased shares on 6-22-15 in the afternoon. Almost a million shares traded. It only matters to a few who traded on the pinks. You may not have been able to trade.