| 2022-05-31 | Sale | Westlake Chemical Partners LP WLKP | Chairman | 29,092 0.0838% | $26.87 | $781,615 | -9.92% | |
| 2018-11-12 | Westlake Chemical Partners LP WLKP | 20,000 0.0618% | $22.77 | $455,400 | +1.25% | |||
| 2018-05-24 | Sale | Westlake Corporation WLK | Chairman | 33,305 0.0257% | $120.69 | $4.02M | -36.75% | |
| 2017-12-04 | Westlake Chemical Partners LP WLKP | 16,946 0.0599% | $22.17 | $375,693 | +10.94% | |||
| 2017-11-24 | Sale | Westlake Corporation WLK | Chairman | 66,026 0.0509% | $94.61 | $6.25M | +12.92% | |
| 2017-11-22 | Sale | Westlake Corporation WLK | Chairman | 10,109 0.0078% | $95.20 | $962,407 | +12.93% | |
| 2016-11-17 | Sale | Westlake Corporation WLK | Chairman | 20,000 0.0155% | $53.85 | $1.08M | +23.48% | |
| 2016-11-16 | Sale | Westlake Corporation WLK | Chairman | 20,000 0.0154% | $54.45 | $1.09M | +20.7% | |
| 2016-11-15 | Sale | Westlake Corporation WLK | Chairman | 20,000 0.0149% | $53.06 | $1.06M | +20.05% | |
| 2016-11-14 | Sale | Westlake Corporation WLK | Chairman | 20,000 0.0151% | $52.84 | $1.06M | +21.7% | |
| 2014-08-25 | Sale | Westlake Corporation WLK | 61,118 0.0459% | $95.00 | $5.81M | -27.2% | ||
| 2014-08-22 | Sale | Westlake Corporation WLK | 84,758 0.0637% | $93.57 | $7.93M | -26.02% | ||
| 2014-08-04 | Westlake Chemical Partners LP WLKP | 2.96M 0.2753% | $0.73 | $2.16M | -4.14% | |||
| 2014-06-09 | Sale | Westlake Corporation WLK | Chairman | 85,892 0.0644% | $82.01 | $7.04M | -12.77% | |
| 2012-12-07 | Sale | Westlake Corporation WLK | Chairman | 60,386 0.0897% | $75.16 | $4.54M | +26.08% | |
| 2012-12-06 | Sale | Westlake Corporation WLK | Chairman | 2,800 0.0042% | $73.00 | $204,400 | +31.92% | |
| 2012-08-22 | Sale | Westlake Corporation WLK | Director | 67,604 0.101% | $69.03 | $4.67M | +31.74% | |
| 2012-05-29 | Sale | Westlake Corporation WLK | Chairman | 140,388 0.2077% | $56.91 | $7.99M | +35.19% | |
| 2012-05-25 | Sale | Westlake Corporation WLK | Chairman | 70,600 0.1045% | $55.16 | $3.89M | +39.27% | |
| 2011-11-16 | Sale | Westlake Corporation WLK | Chairman | 2,590 0.0039% | $43.70 | $113,193 | +38.09% |