Albert Chao

Insider Trading: Sales
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
WLK $129.38 5,045 Large Shareholder, Officer, Director 472,983 2022-05-19 Filing
WLK $130.20 20,815 Large Shareholder, Officer, Director 478,028 2022-05-19 Filing
WLK $131.11 12,016 Large Shareholder, Officer, Director 498,843 2022-05-19 Filing
WLK $92.29 20,327 Large Shareholder, Officer, Director 441,939 2021-12-02 Filing
WLK $91.52 7,585 Large Shareholder, Officer, Director 462,266 2021-12-02 Filing
WLK $90.12 1,175 Large Shareholder, Officer, Director 469,851 2021-12-02 Filing
WLK $89.25 1,700 Large Shareholder, Officer, Director 471,026 2021-12-02 Filing
WLK $94.80 3,789 Large Shareholder, Officer, Director 441,939 2021-12-01 Filing
WLK $93.98 4,300 Large Shareholder, Officer, Director 445,728 2021-12-01 Filing
WLK $92.78 4,200 Large Shareholder, Officer, Director 450,028 2021-12-01 Filing
WLK $91.83 5,842 Large Shareholder, Officer, Director 454,228 2021-12-01 Filing
WLK $90.47 3,000 Large Shareholder, Officer, Director 460,070 2021-12-01 Filing
WLK $89.47 9,656 Large Shareholder, Officer, Director 463,070 2021-12-01 Filing
WLK $75.12 4,198 Large Shareholder, Officer, Director 427,656 2020-11-06 Filing
WLK $74.29 10,334 Large Shareholder, Officer, Director 431,854 2020-11-06 Filing
WLK $73.30 11,978 Large Shareholder, Officer, Director 442,188 2020-11-06 Filing
WLK $72.08 28,638 Large Shareholder, Officer, Director 454,166 2020-11-06 Filing
WLK $62.42 51,592 Large Shareholder, Officer, Director 369,856 2020-02-21 Filing
WLK $72.09 7,120 Large Shareholder, Officer, Director 324,654 2018-11-16 Filing
WLK $71.62 17,389 Large Shareholder, Officer, Director 331,774 2018-11-16 Filing