L David Stover

Insider Trading: Sales
Symbol Price Amount Total Value Remaining Holdings Date Form 4
NBL $90.00 5,000 $450,000.00 97,335 2011-01-31 Filing
NBL $85.00 5,000 $425,000.00 99,518 2010-11-04 Filing
NBL $80.00 5,000 $400,000.00 99,518 2010-10-28 Filing