David Tsung-Hung Chao

Companies

• Westlake CorporationBoard member Jan 9, 2018 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 WLK30,503 shares²$1.9M 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
• Nov 29, 2024Sold 1,750 shares at $129.08 of Westlake Corporation⁴
• Nov 22, 2024Sold 1,750 shares at $130.00 of Westlake Corporation⁵
• Aug 11, 2024Exercised options 1,136 shares of Westlake Corporation⁶
• Aug 31, 2023Gift 19,423 shares of Westlake Corporation⁷
• Aug 23, 2023Sold 1,000 shares at $131.00 of Westlake Corporation⁸
• Aug 12, 2023Exercised options 1,446 shares of Westlake Corporation⁹
• Aug 13, 2022Exercised options 1,763 shares of Westlake Corporation¹⁰