0001209191-23-047807.txt : 20230831 0001209191-23-047807.hdr.sgml : 20230831 20230831113534 ACCESSION NUMBER: 0001209191-23-047807 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230830 FILED AS OF DATE: 20230831 DATE AS OF CHANGE: 20230831 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Buesinger Robert F. CENTRAL INDEX KEY: 0001488587 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 231227697 MAIL ADDRESS: STREET 1: 2801 POST OAK BLVD, SUITE 600 CITY: HOUSTON STATE: TX ZIP: 77056 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: WESTLAKE CORP CENTRAL INDEX KEY: 0001262823 STANDARD INDUSTRIAL CLASSIFICATION: INDUSTRIAL ORGANIC CHEMICALS [2860] 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 doc4.xml FORM 4 SUBMISSION X0508 4 2023-08-30 0 0001262823 WESTLAKE CORP WLK 0001488587 Buesinger Robert F. 2801 POST OAK BLVD., STE. 600 HOUSTON TX 77056 0 1 0 0 EVP, HIP, IT & Digital 0 Common Stock 2023-08-30 4 M 0 4857 86.5379 A 25826 D Common Stock 2023-08-30 4 D 0 4857 134.4731 D 20969 D Employee Option (right to buy) 86.5379 2023-08-30 4 M 0 4857 0.00 A 2031-02-19 Common Stock 4857 0 D The stock options are excercisable in three installments of 33%, 33% and 34% on February 19, 2022, 2023 and 2024, respectively. Robert F. Buesinger by J. Feng POA 2023-08-31