S Alan Mckim

Insider Trading: Sales
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
CLH $54.31 25,000 Officer, Director 4,947,176 2011-09-13 Filing
CLH $54.94 50,000 Officer, Director 2,411,088 2011-09-14 Filing
CLH $54.31 25,000 Officer, Director 2,461,088 2011-09-13 Filing
CLH $97.54 8,337 Officer, Director 2,487,591 2011-06-22 Filing
CLH $97.13 14,934 Officer, Director 2,495,928 2011-06-21 Filing
CLH $96.00 20,600 Officer, Director 2,510,862 2011-06-17 Filing
CLH $97.02 6,129 Officer, Director 2,531,462 2011-06-14 Filing
CLH $100.18 7,000 Large Shareholder, Officer, Director 2,537,591 2011-04-11 Filing
CLH $102.43 3,000 Large Shareholder, Officer, Director 2,544,591 2011-04-11 Filing
CLH $100.18 7,000 Large Shareholder, Officer, Director 2,542,591 2011-04-12 Filing
CLH $102.43 3,000 Large Shareholder, Officer, Director 2,549,591 2011-04-11 Filing
CLH $60.98 33,000 Large Shareholder, Officer, Director 2,620,591 2010-08-11 Filing
CLH $63.06 34,000 Large Shareholder, Officer, Director 2,653,591 2010-08-10 Filing
CLH $63.00 33,000 Large Shareholder, Officer, Director 2,687,591 2010-08-09 Filing
CLH $55.28 11,100 Large Shareholder, Officer, Director 2,725,591 2009-11-18 Filing
CLH $56.17 42,000 Large Shareholder, Officer, Director 2,736,691 2009-11-17 Filing
CLH $57.10 31,500 Large Shareholder, Officer, Director 2,778,691 2009-11-16 Filing