Chao John Tsung-chen

Westlake Chemical Corporation · Director

Chao John Tsung-chen is listed in public filings as director. This Chao John Tsung-chen insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include Westlake Chemical Corporation (WLK). Investors use Chao John Tsung-chen's insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Westlake Chemical CorporationWLK$382k4k sharesGrant / ExerciseFeb 20, 2026$382.1K4k shares$94.48--
Westlake Chemical CorporationWLK--1.1k sharesGrant / ExerciseFeb 20, 2026Disclosure amount unavailable1.1k shares----
Westlake Chemical CorporationWLK--2.4k sharesGrant / ExerciseFeb 20, 2026Disclosure amount unavailable2.4k shares----
Westlake Chemical CorporationWLK$742k7.9k sharesGrant / ExerciseFeb 20, 2026$8.6K91 shares$94.10--

Insider Trades History

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Westlake Chemical CorporationWLK--8k sharesGrant / ExerciseFeb 19, 2026Disclosure amount unavailable213 shares----
Westlake Chemical CorporationWLK$768k7.8k sharesGrant / ExerciseFeb 18, 2026$23.9K242 shares$98.95--
Westlake Chemical CorporationWLK--570 sharesGrant / ExerciseFeb 17, 2026Disclosure amount unavailable570 shares----
Westlake Chemical CorporationWLK$764k7k sharesGrant / ExerciseMar 5, 2025$42.5K391 shares$108.62--
Westlake Chemical CorporationWLK$807k7.4k sharesGrant / ExerciseMar 5, 2025$25.5K235 shares$108.62--
Westlake Chemical CorporationWLK$305k2.8k sharesGrant / ExerciseFeb 21, 2025$305.3K2.8k shares$110.15--
Westlake Chemical CorporationWLK--919 sharesGrant / ExerciseFeb 21, 2025Disclosure amount unavailable919 shares----
Westlake Chemical CorporationWLK--7.7k sharesGrant / ExerciseFeb 20, 2025Disclosure amount unavailable955 shares----
Westlake Chemical CorporationWLK--513 sharesGrant / ExerciseFeb 18, 2025Disclosure amount unavailable513 shares----