G Marvin Lefebvre

Insider Trading: Sales
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
CLH $105.40 1,600 Officer 31,230 2011-04-08 Filing
CLH $105.34 1,000 Officer 14,737 2011-04-08 Filing
CLH $105.31 200 Officer 15,737 2011-04-08 Filing
CLH $105.30 100 Officer 15,937 2011-04-08 Filing
CLH $105.29 700 Officer 16,037 2011-04-08 Filing
CLH $75.00 1,863 Officer 58,486 2010-12-02 Filing
CLH $75.05 137 Officer 60,349 2010-11-26 Filing
CLH $73.95 2,000 Officer 60,486 2010-11-05 Filing
CLH $73.90 2,000 Officer 32,830 2010-11-05 Filing
CLH $73.90 2,000 Officer 16,737 2010-11-05 Filing