Albert Chao

Insider Trading: Sales
Symbol Price Amount Total Value Remaining Holdings Date Form 4
WLK $63.35 42,180 $2,672,124.09 274,018 2017-02-23 Filing
WLK $54.57 300 $16,371.00 0 2016-11-17 Filing
WLK $53.82 9,700 $522,093.77 300 2016-11-17 Filing
WLK $54.45 10,000 $544,451.00 10,000 2016-11-16 Filing
WLK $53.06 10,000 $530,595.00 20,000 2016-11-15 Filing
WLK $52.84 10,000 $528,439.00 30,000 2016-11-14 Filing
WLK $73.78 300 $22,134.00 146,432 2012-12-07 Filing
WLK $73.77 300 $22,131.00 146,732 2012-12-07 Filing
WLK $73.76 200 $14,752.00 147,032 2012-12-07 Filing
WLK $73.75 2,808 $207,090.00 147,232 2012-12-07 Filing
WLK $72.90 410 $29,889.00 150,040 2012-12-06 Filing
WLK $72.86 100 $7,286.00 150,450 2012-12-06 Filing
WLK $72.80 500 $36,400.00 150,550 2012-12-06 Filing
WLK $72.79 100 $7,279.00 151,050 2012-12-06 Filing
WLK $72.76 100 $7,276.00 151,150 2012-12-06 Filing
WLK $72.74 500 $36,370.00 151,250 2012-12-06 Filing
WLK $72.73 30 $2,181.90 151,750 2012-12-06 Filing
WLK $72.71 2,000 $145,420.00 151,780 2012-12-06 Filing
WLK $72.70 100 $7,270.00 153,780 2012-12-06 Filing
WLK $72.69 300 $21,807.00 153,880 2012-12-06 Filing