M Larry Hummel

Insider Trading: Sales
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
SIAL $55.07 2,200 32,640 2009-11-11 Filing
SIAL $55.06 800 34,840 2009-11-11 Filing
SIAL $55.06 100 35,640 2009-11-11 Filing
SIAL $55.06 1,200 35,740 2009-11-11 Filing