Albert Chao
Known title: Executive ChairmanCIK: 0001299403
Associated companies
Transaction History
| WLK | ▲ Buy | Option Exercise | 38,873 | $2.4M | 8/11/2026 | View on chart |
| WLK | ▼ Sell | Open Market | 7,489 | $597K | 8/11/2026 | View on chart |
| WLK | ▼ Sell | Open Market | 31,384 | $2.5M | 8/11/2026 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 2,501 | $235K | 2/20/2026 | View on chart |
| WLK | ▲ Buy | Grant | 6,193 | $0 | 2/19/2026 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 5,089 | $504K | 2/18/2026 | View on chart |
| WLK | ▲ Buy | Option Exercise | 16,555 | $0 | 2/17/2026 | View on chart |
| WLK | ▲ Buy | Option Exercise | 81,673 | $3.6M | 12/22/2025 | View on chart |
| WLK | ▼ Sell | Open Market | 9,711 | $707K | 12/22/2025 | View on chart |
| WLK | ▼ Sell | Open Market | 30,604 | $2.3M | 12/22/2025 | View on chart |
| WLK | ▼ Sell | Open Market | 521 | $39K | 12/22/2025 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 13,390 | $1.5M | 2/21/2025 | View on chart |
| WLK | ▲ Buy | Grant | 33,456 | $0 | 2/20/2025 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 5,820 | $649K | 2/19/2025 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 249 | $28K | 2/19/2025 | View on chart |
| WLK | ▲ Buy | Option Exercise | 17,972 | $0 | 2/18/2025 | View on chart |
| WLK | ▲ Buy | Option Exercise | 45,298 | $3.1M | 8/16/2024 | View on chart |
| WLK | ▼ Sell | Other | 45,291 | $6.6M | 8/16/2024 | View on chart |
| WLK | ▼ Sell | Other | 7 | $1K | 8/16/2024 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 22,561 | $2.9M | 2/20/2024 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 12 | $2K | 2/20/2024 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 2,207 | $303K | 2/20/2024 | View on chart |
| WLK | ▲ Buy | Option Exercise | 19,810 | $0 | 2/19/2024 | View on chart |
| WLK | ▲ Buy | Grant | 39,738 | $0 | 2/16/2024 | View on chart |
| WLK | ▲ Buy | Option Exercise | 19,988 | $1.3M | 8/31/2023 | View on chart |
| WLK | ▼ Sell | Other | 11,274 | $1.5M | 8/31/2023 | View on chart |
| WLK | ▼ Sell | Other | 8,397 | $1.1M | 8/31/2023 | View on chart |
| WLK | ▼ Sell | Other | 317 | $42K | 8/31/2023 | View on chart |
| WLK | ▲ Buy | Option Exercise | 20,000 | $1.3M | 8/30/2023 | View on chart |
| WLK | ▼ Sell | Other | 17,685 | $2.4M | 8/30/2023 | View on chart |
| WLK | ▼ Sell | Other | 2,315 | $312K | 8/30/2023 | View on chart |
| WLK | ▲ Buy | Grant | 52,252 | $0 | 2/17/2023 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 9,032 | $1.1M | 2/15/2023 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 127 | $16K | 2/15/2023 | View on chart |
| WLK | ▲ Buy | Option Exercise | 26,048 | — | 2/14/2023 | View on chart |
| WLK | ▲ Buy | Option Exercise | 37,876 | $1.7M | 5/19/2022 | View on chart |
| WLK | ▼ Sell | Open Market | 12,016 | $1.6M | 5/19/2022 | View on chart |
| WLK | ▼ Sell | Open Market | 20,815 | $2.7M | 5/19/2022 | View on chart |
| WLK | ▼ Sell | Open Market | 5,045 | $653K | 5/19/2022 | View on chart |
| WLK | ▲ Buy | Grant | 30,577 | $0 | 2/18/2022 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 5,722 | $601K | 2/16/2022 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 27 | $3K | 2/16/2022 | View on chart |
| WLK | ▲ Buy | Option Exercise | 18,354 | — | 2/15/2022 | View on chart |
| WLK | ▲ Buy | Option Exercise | 30,787 | $925K | 12/2/2021 | View on chart |
| WLK | ▼ Sell | Open Market | 1,700 | $152K | 12/2/2021 | View on chart |
| WLK | ▼ Sell | Open Market | 1,175 | $106K | 12/2/2021 | View on chart |
| WLK | ▼ Sell | Open Market | 7,585 | $694K | 12/2/2021 | View on chart |
| WLK | ▼ Sell | Open Market | 20,327 | $1.9M | 12/2/2021 | View on chart |
| WLK | ▲ Buy | Option Exercise | 30,787 | $925K | 12/1/2021 | View on chart |
| WLK | ▼ Sell | Open Market | 9,656 | $864K | 12/1/2021 | View on chart |
| WLK | ▼ Sell | Open Market | 3,000 | $271K | 12/1/2021 | View on chart |
| WLK | ▼ Sell | Open Market | 5,842 | $536K | 12/1/2021 | View on chart |
| WLK | ▼ Sell | Open Market | 4,200 | $390K | 12/1/2021 | View on chart |
| WLK | ▼ Sell | Open Market | 4,300 | $404K | 12/1/2021 | View on chart |
| WLK | ▼ Sell | Open Market | 3,789 | $359K | 12/1/2021 | View on chart |