0001127602-15-024829.txt : 20150813 0001127602-15-024829.hdr.sgml : 20150813 20150813090732 ACCESSION NUMBER: 0001127602-15-024829 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20150811 FILED AS OF DATE: 20150813 DATE AS OF CHANGE: 20150813 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 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Zambanini Adam Dante CENTRAL INDEX KEY: 0001512909 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-14649 FILM NUMBER: 151048901 MAIL ADDRESS: STREET 1: C/O TREX COMPANY INC. STREET 2: 160 EXETER DRIVE CITY: WINCHESTER STATE: VA ZIP: 22603 4 1 form4.xml PRIMARY DOCUMENT X0306 4 2015-08-11 0001069878 TREX CO INC TREX 0001512909 Zambanini Adam Dante 160 EXETER DRIVE WINCHESTER VA 22603 1 Vice President, Marketing Common Stock 2015-08-11 4 M 0 3708 13.10 A 27935 D Common Stock 2015-08-11 4 M 0 4284 12.78 A 32219 D Common Stock 2015-08-11 4 D 0 2480 41.67 D 29739 D Common Stock 2015-08-11 4 F 0 1863 41.67 D 27876 D Common Stock 2015-08-12 4 S 0 3649 40.89 D 24227 D Stock Appreciation Right 13.10 2015-08-11 4 M 0 3708 0 D 2012-02-16 2022-02-16 Common Stock 3708 3710 D Stock Appreciation Right 12.78 2015-08-11 4 M 0 4284 0 D 2013-02-15 2022-02-15 Common Stock 4284 8564 D Stock Appreciation Rights are being exercised pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on May 11, 2015. 1,863 shares are being surrendered as allowed by the Company's 2005 Stock Incentive Plan to cover the payment of taxes currently due on the exercise of SARs. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on May 11, 2015. /s/ William R. Gupp by power of attorney 2015-08-13