SEC Form 4 · accession 0001127602-15-025656

TREX CO INC · TREX

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Officer — President and CEO · Director

Period of report

Aug 20, 2015

Accepted (ET)

Aug 24, 2015 · 11:07 am EDT

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0001069878

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I
Common Stock	Aug 20, 2015	M	30,120	$12.78	A	135,968	D
Common Stock	Aug 20, 2015	M	23,580	$13.10	A	159,548	D
Common Stock	Aug 20, 2015	D	17,394	$39.89	D	142,154	D
Common Stock	Aug 20, 2015	F	17,319	$39.89	D	124,835	D
Common Stock^F4	Aug 20, 2015	S	33,283	$41.1777	D	91,552	D
Common Stock^F5	Aug 21, 2015	S	18,987	$39.587	D	72,565	D

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Stock Appreciation Right	$12.78	Aug 20, 2015	M	30,120	D	Feb 15, 2013	Feb 15, 2022	Common Stock	30,120	45,240	D
Stock Appreciation Right	$13.10	Aug 20, 2015	M	23,580	D	Feb 16, 2012	Feb 16, 2022	Common Stock	23,580	23,580	D

F1Stock Appreciation Rights (SARs) are being exercised pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 11, 2015.
F217,319 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 stock appreciation rights.
F3The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 11, 2015.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $40.04 to $41.82, inclusive. The reporting person undertakes to provide Trex Company, Inc., any security holder of Trex Company, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote (4) to this Form 4.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.25 to $40.215, inclusive. The reporting person undertakes to provide Trex Company, Inc., any security holder of Trex Company, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote (5) to this Form 4.