$WLK 3 SEC Filings

Filed On	Filing
31 Aug 2026	Form 3: Darby Tommy, VP and CAO No securities owned
15 Jun 2026	Form 3: Baksht Jonathan, SVP and CFO No securities owned
02 Apr 2026	Form 3: Powers Brian John, SVP, PEM Segment Head
23 Feb 2026	Form 3: Patel Bhavesh V., Director No securities owned
14 Apr 2025	Form 3: Szwejbka Scott Thomas, SVP, HIP Holds 5,819 shares of Common Stock
10 Dec 2024	Form 3: Cregg Roger A, Director No securities owned
15 Jul 2024	Form 3: Gilson Jean-Marc, President and CEO No securities owned
02 May 2024	Form 3: Holy Jeffrey Adam, VP and CAO Holds 3,000 shares of Common Stock
11 May 2023	Form 3: Chao Catherine T., Director Holds 2,000 shares of Common Stock
11 May 2023	Form 3: Sabat Carolyn Chao, Director Holds 93,405,554 shares of Common Stock
02 Mar 2022	Form 3: Janssens Thomas J., SVP, Operations-PEM & Corp Log Holds 6,766 shares of Common Stock
18 May 2020	Form 3: Lubel Kimberly S, Director No securities owned
31 Mar 2020	Form 3: Zoeller Johnathan Stevan, VP and CAO
20 Aug 2018	Form 3: Chao John Tsung-chen, Director Holds 92,010,554 shares of Common Stock
21 May 2018	Form 3: Mccollum Mark A, Director No securities owned
01 May 2018	Form 3: Kearns Roger L., EVP, Vinyls Chemicals No securities owned
09 Jan 2018	Form 3: Haas Marius, Director No securities owned
09 Jan 2018	Form 3: Sheets Jeffrey Wayne, Director No securities owned
09 Jan 2018	Form 3: Chao David Tsung-Hung, Director Holds 653 shares of Common Stock
08 Mar 2017	Form 3: Schubert Lawrence, Vice President, Polyethylene

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