EdgarLookup

WESTLAKE CORP

WLK NYSE CIK: 0001262823 Industrial Organic Chemicals Inc. in DE
View on SEC.gov →
Overview All Filings Annual Quarterly Insiders

Recent Filings

All 1,007 filings →
Form Description Date
144 Mar 27, 2026
4/A 4/A Mar 6, 2026
4 4 Mar 2, 2026
144 Feb 27, 2026
10-K 10-K Feb 26, 2026
8-K 8-K Feb 24, 2026
4 4 Feb 24, 2026
3 3 Feb 23, 2026
8-K 8-K Feb 23, 2026
4 4 Feb 23, 2026

Insider Transactions

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Insider Title Type Shares Owns After Date
Chao Albert Executive Chairman Sale 30,604 @ $73.80 628,243 Dec 22, 2025
Buesinger Robert F. EVP, PEM Segment Head Sale 83 @ $72.70 Apr 22, 2025
Chao John Tsung-chen Award / Grant 955 7,664 Mar 5, 2025
Janssens Thomas J. SVP, Ops - PEM & Corp Logistic Award / Grant 2,444 17,733 Feb 21, 2025
Chao John Tsung-chen Award / Grant 955 7,664 Feb 20, 2025
Chao David Tsung-Hung Sale 1,750 @ $129.08 7,784 Nov 29, 2024
Chao David Tsung-Hung Sale 1,750 @ $130.00 9,534 Nov 22, 2024
Buesinger Robert F. EVP, HIP, IT & Digital Sale 3,500 @ $158.50 17,644 May 9, 2024
Bender Mark Steven EVP & CFO Sale 4,950 @ $152.19 40,356 May 3, 2024
Buesinger Robert F. EVP, HIP, IT & Digital Sale 3,878 @ $144.50 21,144 Mar 15, 2024