Albert Chao

Insider Trading: Sales
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
WLK $71.98 1,100 Large Shareholder, Officer, Director 318,523 2018-11-15 Filing
WLK $71.48 16,309 Large Shareholder, Officer, Director 319,623 2018-11-15 Filing
WLK $70.43 7,100 Large Shareholder, Officer, Director 335,932 2018-11-15 Filing
WLK $72.50 900 Large Shareholder, Officer, Director 312,392 2018-11-14 Filing
WLK $71.77 13,202 Large Shareholder, Officer, Director 313,292 2018-11-14 Filing
WLK $70.92 10,519 Large Shareholder, Officer, Director 326,494 2018-11-14 Filing
WLK $73.20 1,200 Large Shareholder, Officer, Director 306,374 2018-11-13 Filing
WLK $72.47 3,600 Large Shareholder, Officer, Director 307,574 2018-11-13 Filing
WLK $71.28 10,200 Large Shareholder, Officer, Director 311,174 2018-11-13 Filing
WLK $75.10 6,900 Large Shareholder, Officer, Director 296,374 2018-11-12 Filing
WLK $74.30 18,100 Large Shareholder, Officer, Director 303,274 2018-11-12 Filing
WLK $95.25 16,844 Large Shareholder, Officer, Director 274,018 2017-11-29 Filing
WLK $94.85 1,010 Large Shareholder, Officer, Director 274,018 2017-11-28 Filing
WLK $94.55 23,990 Large Shareholder, Officer, Director 275,028 2017-11-28 Filing
WLK $94.25 2,966 Large Shareholder, Officer, Director 274,018 2017-11-27 Filing
WLK $93.92 22,034 Large Shareholder, Officer, Director 276,984 2017-11-27 Filing
WLK $94.58 20,000 Large Shareholder, Officer, Director 274,018 2017-11-24 Filing
WLK $95.60 101 Large Shareholder, Officer, Director 274,018 2017-11-22 Filing
WLK $94.89 24,899 Large Shareholder, Officer, Director 274,119 2017-11-22 Filing
WLK $94.34 25,000 Large Shareholder, Officer, Director 274,018 2017-11-21 Filing