SEC Form 4 · accession 0001127602-16-043505

TREX CO INC · TREX

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

Reporting owner

Officer — President and CEO

Period of report

Feb 24, 2016

Accepted (ET)

Feb 26, 2016 · 12:14 pm EST

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	Feb 24, 2016	M	11,946	$8.705	A	109,314	D
Common Stock	Feb 24, 2016	D	2,450	$42.45	D	106,864	D
Common Stock	Feb 24, 2016	F	3,143	$42.45	D	103,721	D
Common Stock	Feb 24, 2016	S	2,037	$41.35	D	101,684	D
Common Stock^F4	Feb 25, 2016	S	6,353	$42.1442	D	95,331	D

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Stock Appreciation Right	$8.705	Feb 24, 2016	M	11,946	D	Feb 17, 2011	Feb 17, 2020	Common Stock	11,946	404	D

F1Stock Appreciation Rights are being exercised pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 18, 2015.
F23,143 shares are being surrendered as allowed by the Company's 2014 Stock Incentive Plan to cover the payment of taxes currently due on the exercise of SARs.
F3The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 18, 2015.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $42.00 to $42.70, 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.