0001127602-11-015115.txt : 20110504 0001127602-11-015115.hdr.sgml : 20110504 20110504163530 ACCESSION NUMBER: 0001127602-11-015115 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110502 FILED AS OF DATE: 20110504 DATE AS OF CHANGE: 20110504 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: 11810854 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 X0303 4 2011-05-02 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 2011-05-02 4 M 0 1875 9.14 A 40948 D Common Stock 2011-05-02 4 S 0 387 31.04 D 40561 D Common Stock 2011-05-02 4 S 0 300 31.20 D 40261 D Common Stock 2011-05-02 4 F 0 558 30.90 D 39703 D Common Stock 2011-05-02 4 D 0 556 30.90 D 39147 D Common Stock 2011-05-04 4 S 0 200 29.00 D 38947 D Common Stock 2011-05-04 4 S 0 500 29.07 D 38447 D Common Stock 2011-05-04 4 S 0 100 29.075 D 38347 D Common Stock 2011-05-04 4 S 0 200 29.10 D 38147 D Common Stock 2011-05-04 4 S 0 238 29.14 D 37909 D Common Stock 2011-05-04 4 S 0 100 29.145 D 37809 D Common Stock 2011-05-04 4 S 0 400 29.15 D 37409 D Common Stock 2011-05-04 4 S 0 100 29.151 D 37309 D Common Stock 2011-05-04 4 S 0 100 29.153 D 37209 D Common Stock 2011-05-04 4 S 0 100 29.17 D 37109 D Common Stock 2011-05-04 4 S 0 100 29.175 D 37009 D Common Stock 2011-05-04 4 S 0 100 29.185 D 36909 D Common Stock 2011-05-04 4 S 0 100 29.19 D 36809 D Common Stock 2011-05-04 4 S 0 100 29.214 D 36709 D Common Stock 2011-05-04 4 S 0 100 29.23 D 36609 D Stock Appreciation Right 9.14 2011-05-02 4 M 0 1875 0 D 2009-05-07 2018-05-07 Common Stock 1875 22594 D 1,875 Stock Appreciation Rights (SARs) are being exercised pursuant to Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2010. 576 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 3, 2010. The stock appreciation right becomes exerciseable in three equal installments beginning on the first anniversary date of the transaction date. /s/ Willaim R. Gupp 2011-05-04