Patrick Williams

Insider Trading: Sales
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
IOSP $30.37 4,400 Officer 99,138 2012-05-11 Filing
IOSP $30.37 13,636 Officer 99,138 2012-05-11 Filing
IOSP $30.93 1,364 Officer 99,138 2012-05-10 Filing
IOSP $30.93 9,347 Officer 99,138 2012-05-10 Filing