Catherine T. Chao

Companies

• Westlake CorporationBoard member May 11, 2023 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Westlake Corporation WLK27,171 shares²$1.7M at $61.17Aug 10, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Aug 8, 2026Exercised options 2,168 shares of Westlake Corporation²
• Aug 9, 2025Exercised options 1,128 shares of Westlake Corporation³
• Aug 11, 2024Exercised options 1,136 shares of Westlake Corporation⁴
• May 12, 2024Exercised options 1,316 shares of Westlake Corporation⁵
• Aug 31, 2023Gift 19,423 shares of Westlake Corporation⁶