Latest filing published 10 Aug 2026 for Westlake CORP. Read the official filing
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
All filings by Catherine T. Chao on record concern Westlake Corp. We count 5 filings; the first trade dates from 31 August 2023 and the latest from 8 August 2026.
The filings describe grants, exercises and other transfers rather than trades on the open market. Grants and option exercises follow pay plans set in advance, so they reveal less about an insider's own view than a purchase made with personal money.
On 10 August 2026 came the latest disclosure, an option exercise in Westlake Corp. Filings reach the SEC (Form 4) feed a median of 1 day after the trade. The legal deadline for a Form 4 is two business days after the transaction. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
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