0000950170-24-055345.txt : 20240508 0000950170-24-055345.hdr.sgml : 20240508 20240508131519 ACCESSION NUMBER: 0000950170-24-055345 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240507 FILED AS OF DATE: 20240508 DATE AS OF CHANGE: 20240508 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Buesinger Robert F. CENTRAL INDEX KEY: 0001488587 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 24925130 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] 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 2024-05-07 false 0001262823 WESTLAKE CORP WLK 0001488587 Buesinger Robert F. 2801 POST OAK BLVD., STE. 600 HOUSTON TX 77056 false true false false EVP, HIP, IT & Digital false Common Stock 2024-05-07 4 M false 3133 122.65 A 24277 D Common Stock 2024-05-07 4 D false 3133 157.50 D 21144 D Employee Option (right to buy) 122.65 2024-05-07 4 M false 3133 0 D 2033-02-17 Common Stock 3133 6362 D The stock options are exercisable in three installments of 33%. 33% and 34% on February 17, 2024, 2025 and 2026, respectively. Robert F. Buesinger by J Feng POA 2024-05-08