Sorry, I couldn't find pricing data for that day. The closing price for Tesla (TSLA) on August 12, 2016 was $15.04. It was up 0.1% for the day. The latest price is $438.65.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
August 12 2016
$15.03
$15.11
$14.94
$15.04
27,203,128
Daily pricing data for Tesla dates back to 6/29/2010, and may be incomplete.