0001127602-21-028897.txt : 20211112 0001127602-21-028897.hdr.sgml : 20211112 20211112101641 ACCESSION NUMBER: 0001127602-21-028897 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20211110 FILED AS OF DATE: 20211112 DATE AS OF CHANGE: 20211112 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Gupp William R. CENTRAL INDEX KEY: 0001428106 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-14649 FILM NUMBER: 211401005 MAIL ADDRESS: STREET 1: C/O TREX COMPANY STREET 2: 160 EXETER DRIVE CITY: WINCHESTER STATE: VA ZIP: 22603 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: TREX CO INC CENTRAL INDEX KEY: 0001069878 STANDARD INDUSTRIAL CLASSIFICATION: LUMBER & WOOD PRODUCTS (NO FURNITURE) [2400] IRS NUMBER: 541910453 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 160 EXETER DRIVE CITY: WINCHESTER STATE: VA ZIP: 22603-8605 BUSINESS PHONE: 5405426300 MAIL ADDRESS: STREET 1: 160 EXETER DRIVE CITY: WINCHESTER STATE: VA ZIP: 22603-8605 4 1 form4.xml PRIMARY DOCUMENT X0306 4 2021-11-10 0001069878 TREX CO INC TREX 0001428106 Gupp William R. C/O TREX COMPANY, INC. 160 EXETER DRIVE WINCHESTER VA 22603-8605 1 Sr VP,Gen. Counsel & Secretary Common Stock 2021-11-10 4 S 0 2150 131.00 D 101305 D Common Stock 2021-11-10 4 M 0 6640 10.97 A 107945 D Common Stock 2021-11-10 4 D 0 286 127.26 D 107659 D Common Stock 2021-11-10 4 F 0 2866 127.26 D 104793 D Common Stock 2021-11-11 4 S 0 3488 127.89 D 101305 D Stock Appreciation Right 10.97 2021-11-10 4 M 0 6640 0 D 2016-02-12 2023-02-12 Common Stock 6640 0 D The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on May 17,2021. Stock Appreciation Rights (SARs) are being exercised pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 17, 2021. 2,866 shares are being surrendered as allowed by the Company's 2014 Stock Incentive Plan to cover payment of taxes currently due on previously granted restricted shares. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on May 17, 2021. /s/ William R. Gupp by power of attorney 2021-11-12