SEC Filing | Trex Company Inc

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SEC FORM 4 SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Posey Richard E

(Last)

(First)

(Middle)

C/O TREX COMPANY, INC.

160 EXETER DRIVE

(Street)

WINCHESTER

22603-8605

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
TREX CO INC [ TREX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
08/02/2016

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	08/02/2016		M⁽¹⁾		4,914	A	$10.595	18,438	D
Common Stock	08/02/2016		M⁽¹⁾		466	A	$9.765	18,904	D
Common Stock	08/02/2016		M⁽¹⁾		454	A	$12.625	19,358	D
Common Stock	08/02/2016		M⁽¹⁾		290	A	$16.665	19,648	D
Common Stock	08/02/2016		M⁽¹⁾		410	A	$12	20,058	D
Common Stock	08/02/2016		D		1,268	D	$56.95	18,790	D
Common Stock	08/03/2016		S⁽²⁾		3,999	D	$54.8309⁽³⁾	14,791	D
Common Stock	08/03/2016		S⁽²⁾		386	D	$55.449	14,405	D
Common Stock	08/03/2016		S⁽²⁾		353	D	$55.4775	14,052	D
Common Stock	08/03/2016		S⁽²⁾		205	D	$55.5155	13,847	D
Common Stock	08/03/2016		S⁽²⁾		323	D	$55.506	13,524	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Appreciation Right	$10.595	08/02/2016		M⁽¹⁾			4,914	07/20/2010	07/20/2020	Common Stock	4,914	$0	0	D
Stock Appreciation Right	$9.765	08/02/2016		M⁽¹⁾			466	10/01/2010	10/01/2020	Common Stock	466	$0	0	D
Stock Appreciation Right	$12.625	08/02/2016		M⁽¹⁾			454	01/03/2011	01/03/2021	Common Stock	454	$0	0	D
Stock Appreciation Right	$16.665	08/02/2016		M⁽¹⁾			290	04/01/2011	04/01/2021	Common Stock	290	$0	0	D
Stock Appreciation Right	$12	08/02/2016		M⁽¹⁾			410	07/01/2011	07/01/2021	Common Stock	410	$0	0	D

Explanation of Responses:

1. Stock Appreciation Rights (SARs) are being exercised pursuant to a Rule 10b5-1 SAR Exercise plan adopted by the reporting person on May 24, 2016.

2. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 plan adopted by the reporting person on May 24, 2016.

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $53.94 to $55.41, 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 (3) to this Form 4.

	/s/ William R. Gupp by power of attorney	08/03/2016
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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