Insiders who reported open-market trades in the last 12 months at the companies James Chao files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Albert Chao - $6.13M in WLK purchases and sales in the last 12 months
Mark Steven Bender - $3.60M in WLK purchases and sales in the last 12 months
Robert F. Buesinger - $461K in WLK purchases and sales in the last 12 months
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James Chao is a corporate insider, tracked as Senior Chairman of WESTLAKE CORP (WLK). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did James Chao last file a Form 4?
The most recent primary Form 4 on record is dated 23 February 2026, one of 5 filings going back to 2025.
Has James Chao been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($308K) across all tracked filings.
James Chao is Senior Chairman of WESTLAKE CORP (WLK). 5 SEC Form 4 filings on record going back to 2025, most recently on 23 February 2026. Most recent open-market trade: sold $82K of WLKP on 29 May 2025. Lifetime open-market sales: $308K.
Recent transactions
8
The latest 8 SEC Form 4 transactions reported by James Chao.
InsiderAlpha's records for James Chao go back to 2025: 5 primary Form 4 filings, an average of 2.5 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
