Not a big deal. Maybe he needed some "whiskey money".
May I ask where you found out about this? None of the sources I follow (like the one below) picked it up. TIAhttp://www.secform4.com/insider-trading/1273813.htm
Form 4 Reported on Feb 8.http://xml.10kwizard.com/filing_raw.php?repo=tenk&ipage=6741312
It says right on his Form 4 that it was to pay his tax liability.