0000950170-24-058259.txt : 20240513 0000950170-24-058259.hdr.sgml : 20240513 20240513092259 ACCESSION NUMBER: 0000950170-24-058259 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240512 FILED AS OF DATE: 20240513 DATE AS OF CHANGE: 20240513 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Chao Catherine T. CENTRAL INDEX KEY: 0001974884 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 24937163 MAIL ADDRESS: STREET 1: 5815 NE 32ND AVE CITY: PORTLAND STATE: OR ZIP: 97211 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: WESTLAKE CORP CENTRAL INDEX KEY: 0001262823 STANDARD INDUSTRIAL CLASSIFICATION: INDUSTRIAL ORGANIC CHEMICALS [2860] ORGANIZATION NAME: 08 Industrial Applications and Services IRS NUMBER: 760346924 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 2801 POST OAK BLVD STREET 2: SUITE 600 CITY: HOUSTON STATE: TX ZIP: 77056 BUSINESS PHONE: 713-960-9111 MAIL ADDRESS: STREET 1: 2801 POST OAK BLVD STREET 2: SUITE 600 CITY: HOUSTON STATE: TX ZIP: 77056 FORMER COMPANY: FORMER CONFORMED NAME: WESTLAKE CHEMICAL CORP DATE OF NAME CHANGE: 20030908 4 1 ownership.xml 4 X0508 4 2024-05-12 0001262823 WESTLAKE CORP WLK 0001974884 Chao Catherine T. 2801 POST OAK BLVD., STE. 600 HOUSTON TX 77056 true false false false false Common Stock 2024-05-12 4 M false 1316 A 3316 D Common Stock 19423 I by Trust Restricted Stock Units 2024-05-12 4 M false 1316 0 D Common Stock 1316 0 D Restricted stock units ("RSUs") convert into the Issuer's common stock on a one-for-one basis. These shares are held in a trust for the benefit of the reporting person, who also serves as sole trustee. On May 12, 2023, the reporting person was granted 1,316 RSUs vesting on the first anniversay of the grant date. Catherine T. Chao by J Feng POA 2024-05-13