Chao Albert, Executive Chairman of Westlake Corp ($WLK), sold common shares on the open market three times over the last year, totaling $3.0 million. His most recent sale occurred on December 22, 2025. These transactions rank 2,715th among 11,678 insiders in our database by sale value, below the average of $8.6 million across 6.4 transactions per insider. Chao Albert made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 20, 2026 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | A | Restricted Stock Units | 14945 | $0.00 | 14,945.0000 | 128,265,950 | 9999.99% | 0.01% |
| Feb. 20, 2026 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | A | Employee Option (right to buy) | 54763 | $0.00 | 54,763.0000 | 128,265,950 | 9999.99% | 0.04% |
| Feb. 20, 2026 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | F | Common Stock | 2501 | $94.10 | 642,880.0000 | 128,265,950 | 0.39% | 0.00% |
| Feb. 19, 2026 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | A | Common Stock | 6193 | $0.00 | 645,381.0000 | 128,265,950 | 0.97% | 0.00% |
| Feb. 17, 2026 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | M | Common Stock | 16555 | $0.00 | 644,277.0000 | 128,265,950 | 2.64% | 0.01% |
| Feb. 17, 2026 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | M | Restricted Stock Units | 16555 | $0.00 | 0.0000 | 128,265,950 | 100.00% | 0.01% |
| Feb. 18, 2026 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | F | Common Stock | 5089 | $98.95 | 639,188.0000 | 128,265,950 | 0.79% | 0.00% |
| Dec. 22, 2025 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | M | Employee Option (right to buy) | 81673 | $0.00 | 0.0000 | 128,265,950 | 100.00% | 0.06% |
| Dec. 22, 2025 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | S | Common Stock | 30604 | $73.80 | 628,243.0000 | 128,265,950 | 4.65% | 0.02% |
| Dec. 22, 2025 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | S | Common Stock | 9711 | $72.82 | 658,847.0000 | 128,265,950 | 1.45% | 0.01% |
| Dec. 22, 2025 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | M | Common Stock | 81673 | $44.42 | 668,558.0000 | 128,265,950 | 13.92% | 0.06% |
| Dec. 22, 2025 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | S | Common Stock | 521 | $74.44 | 627,722.0000 | 128,265,950 | 0.08% | 0.00% |
| Feb. 20, 2025 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | A | Common Stock | 33456 | $0.00 | 600,275.0000 | 129,206,922 | 5.90% | 0.03% |
| Feb. 21, 2025 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | F | Common Stock | 13390 | $110.54 | 586,885.0000 | 129,206,922 | 2.23% | 0.01% |
| Feb. 21, 2025 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | A | Employee Option (right to buy) | 37172 | $0.00 | 37,172.0000 | 129,206,922 | 9999.99% | 0.03% |
| Feb. 21, 2025 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | A | Restricted Stock Units | 12322 | $0.00 | 12,322.0000 | 129,206,922 | 9999.99% | 0.01% |
| Feb. 18, 2025 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | M | Restricted Stock Units | 17972 | $0.00 | 0.0000 | 129,206,922 | 100.00% | 0.01% |
| Feb. 18, 2025 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | M | Common Stock | 17972 | $0.00 | 572,888.0000 | 129,206,922 | 3.24% | 0.01% |
| Feb. 19, 2025 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | F | Common Stock | 5820 | $111.46 | 567,068.0000 | 129,206,922 | 1.02% | 0.00% |
| Feb. 19, 2025 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | F | Common Stock | 249 | $112.73 | 566,819.0000 | 129,206,922 | 0.04% | 0.00% |
| Aug. 16, 2024 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | M | Employee Option (right to buy) | 45298 | $0.00 | 0.0000 | 128,598,441 | 100.00% | 0.04% |
| Aug. 16, 2024 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | D | Common Stock | 7 | $147.04 | 554,916.0000 | 128,598,441 | 0.00% | 0.00% |
| Aug. 16, 2024 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | D | Common Stock | 45291 | $146.61 | 554,923.0000 | 128,598,441 | 7.55% | 0.04% |
| Aug. 16, 2024 | WESTLAKE CORP | $WLK | Chao Albert | Executive Chairman | M | Common Stock | 45298 | $68.09 | 600,214.0000 | 128,598,441 | 8.16% | 0.04% |
| Feb. 16, 2024 | WESTLAKE CORP | $WLK | Chao Albert | President & CEO | A | Common Stock | 39738 | $0.00 | 559,886.0000 | 128,598,441 | 7.64% | 0.03% |
| Feb. 19, 2024 | WESTLAKE CORP | $WLK | Chao Albert | President & CEO | M | Common Stock | 19810 | $0.00 | 579,696.0000 | 128,598,441 | 3.54% | 0.02% |
| Feb. 20, 2024 | WESTLAKE CORP | $WLK | Chao Albert | President & CEO | F | Common Stock | 2207 | $137.37 | 554,916.0000 | 128,598,441 | 0.40% | 0.00% |
| Feb. 19, 2024 | WESTLAKE CORP | $WLK | Chao Albert | President & CEO | M | Restricted Stock Units | 19810 | $0.00 | 0.0000 | 128,598,441 | 100.00% | 0.02% |
| Feb. 20, 2024 | WESTLAKE CORP | $WLK | Chao Albert | President & CEO | F | Common Stock | 12 | $135.43 | 557,123.0000 | 128,598,441 | 0.00% | 0.00% |
| Feb. 20, 2024 | WESTLAKE CORP | $WLK | Chao Albert | President & CEO | F | Common Stock | 22561 | $129.92 | 557,135.0000 | 128,598,441 | 3.89% | 0.02% |
| Feb. 16, 2024 | WESTLAKE CORP | $WLK | Chao Albert | President & CEO | A | Restricted Stock Units | 16010 | $0.00 | 16,010.0000 | 128,598,441 | 9999.99% | 0.01% |
| Feb. 16, 2024 | WESTLAKE CORP | $WLK | Chao Albert | President & CEO | A | Employee Option (right to buy) | 44324 | $0.00 | 44,324.0000 | 128,598,441 | 9999.99% | 0.03% |