James Chao
Chairman at Westlake Corporation
Sits on 2 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 5 years
- Director since
- 2023
5 years of board service in total across 2 boards, counting each seat separately. Longest: Westlake Corporation, 3 years.
Westlake Corporation
Director · Senior Chairman
Westlake Chemical Partners LP
Director · Senior Chairman
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Feb 20, 2026 | Westlake Corporation | Shares withheld for tax | −1,569 | $94.10 | $147,643 |
| Feb 19, 2026 | Westlake Corporation | Grant or award | +3,884 | — | — |
| Feb 18, 2026 | Westlake Corporation | Shares withheld for tax | −2,664 | $98.95 | $263,603 |
| Feb 17, 2026 | Westlake Corporation | Option exercise | +10,382 | — | — |
| Aug 28, 2025 | Westlake Corporation | Gift | −15,140 | — | — |
| May 29, 2025 | Westlake Chemical Partners LP | Open-market sale | −3,700 | $22.10 | $81,770 |
| May 28, 2025 | Westlake Chemical Partners LP | Open-market sale | −4,600 | $22.10 | $101,660 |
| May 27, 2025 | Westlake Chemical Partners LP | Open-market sale | −5,608 | $22.17 | $124,329 |
| Feb 21, 2025 | Westlake Corporation | Shares withheld for tax | −6,554 | $110.54 | $724,479 |
| Feb 20, 2025 | Westlake Corporation | Grant or award | +16,375 | — | — |
| Feb 19, 2025 | Westlake Corporation | Shares withheld for tax | −2,193 | $111.46 | $244,432 |
| Feb 19, 2025 | Westlake Corporation | Shares withheld for tax | −94 | $112.76 | $10,599 |
| Feb 18, 2025 | Westlake Corporation | Option exercise | +8,796 | — | — |
| Aug 30, 2024 | Westlake Corporation | Gift | −6,642 | — | — |
| Mar 28, 2024 | Westlake Corporation | Gift | −36,632 | — | — |
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