0001127602-12-013224.txt : 20120404 0001127602-12-013224.hdr.sgml : 20120404 20120404082617 ACCESSION NUMBER: 0001127602-12-013224 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120402 FILED AS OF DATE: 20120404 DATE AS OF CHANGE: 20120404 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: 12740318 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 X0305 4 2012-04-02 0001069878 TREX CO INC TREX 0001428106 Gupp William R. C/O TREX COMPANY, INC. 160 EXETER DRIVE WINCHESTER VA 22603-8605 1 CAO, Gen. Counsel & Secretary Common Stock 2012-04-02 4 M 0 1418 9.14 A 36092 D Common Stock 2012-04-02 4 D 0 406 31.91 D 35686 D Common Stock 2012-04-02 4 F 0 428 31.91 D 35258 D Common Stock 2012-04-02 4 S 0 100 31.50 D 35158 D Common Stock 2012-04-02 4 S 0 100 31.44 D 35058 D Common Stock 2012-04-02 4 S 0 200 31.30 D 34858 D Common Stock 2012-04-02 4 S 0 100 31.19 D 34758 D Common Stock 2012-04-02 4 S 0 150 31.11 D 34608 D Common Stock 2012-04-02 4 S 0 100 31.09 D 34508 D Stock Appreciation Right 9.14 2012-04-02 4 M 0 1418 0 D 2009-05-07 2018-05-07 Common Stock 1418 9926 D 1,418 Stock Appreciation Rights (SARs) are being exercised pursuant to Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2011. The stock appreciation right becomes exerciseable in three equal installments beginning on the first anniversary date of the transaction date. 428 shares are being surrendered as allowed by the Company's 2005 Stock Incentive Plan to cover payment of taxes currently due on the exercise of SARs. The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2011. /s/ Willaim R. Gupp 2012-04-04