0001193125-26-059207.txt : 20260219 0001193125-26-059207.hdr.sgml : 20260219 20260219151842 ACCESSION NUMBER: 0001193125-26-059207 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20260217 FILED AS OF DATE: 20260219 DATE AS OF CHANGE: 20260219 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Bender Mark Steven CENTRAL INDEX KEY: 0001330417 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 26653916 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 EIN: 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 2026-02-17 0001262823 WESTLAKE CORP WLK 0001330417 Bender Mark Steven 2801 POST OAK BLVD., STE. 600 HOUSTON TX 77056 false true false false EVP & CFO false Common Stock 2026-02-17 4 M false 4751 0 A 61719 D Common Stock 2026-02-18 4 F false 1209 98.95 D 60510 D Restricted Stock Units 2026-02-17 4 M false 4751 0 D Common Stock 4751 0 D Restricted stock units ("RSUs") convert into the Issuer's common stock on a one-for-one basis. On February 17, 2023, the reporting person was granted 4,751 RSUs vesting on the third anniversay of the grant date. Shares otherwise issuable were withheld to satisfy tax obligations arising out of the vesting of the reporting persons RSUs. M. Steven Bender by J Feng POA 2026-02-19