UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. Initial)*
Trex Company, Inc.
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(Name of Issuer)
Common Stock, no par value
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(Title of Class of Securities)
89531P105
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(CUSIP Number)
December 31, 2012
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(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
[x] Rule 13d-1(b)
*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).
CUSIP No. 89531P105
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1. Names of Reporting Persons.
I.R.S. Identification Nos. of above persons (entities only).
Westwood Management Corp.
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2. Check the appropriate box if a member of a group (see instructions)
(a)
(b)
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3. SEC use only
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4. Citizenship or place of organization: USA
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Number of 5. Sole voting power: 952,858
Shares --------------------------------------------------
beneficially 6. Shared voting power: 24,123
owned by --------------------------------------------------
each reporting 7. Sole dispositive power: 1,062,381
person with: --------------------------------------------------
8. Shared dispositive power: 0
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9. Aggregate amount beneficially owned by each reporting person: 1,062,381
10. Check box if the aggregate amount in Row (9) excludes
certain shares. [ ]
11. Percent of class represented by amount in Row (9): 6.27%
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12. Type of reporting person (see instructions): IA
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ITEM 1.
(a) Name of Issuer:
Trex Company, Inc.
(b) Address of Issuer's Principal Executive Offices:
160 Exeter Drive
Winchester, Virginia 22603-8605
ITEM 2.
(a) Name of Person Filing:
Westwood Management Corp.
(b) Address of Principal Business Office or, if none, Residence:
200 Crescent Court, Suite 1200
Dallas, Texas 75201
(c) Citizenship:
USA
(d) Title of Class of Securities:
Common Stock, par value $.01 per share
(e) CUSIP Number:
89531P105
ITEM 3. If this statement is filed pursuant to Rule 240.13d-1(b) or
240.13d-2(b) or (c), check whether the person filing is a:
(a)[ ] Broker or delaer registered under Section 15 of the Act
(15 U.S.C. 78o).
(b)[ ] Bank as defined in section 3(a)(6) of the Act(15 U.S.C. 78c).
(c)[ ] Insurance company as defined in section 3(a)(19) of the Act
(15 U.S.C. 78c).
(d)[ ] Investment company registered under section 8 of the Investment
Company Act of 1940(15 U.S.C. 80a-8).
(e)[x] An investment adviser in accordance with &240.13d-1(b)(1)(ii)(E);
(f)[ ] An employee benefit plan or endowment fund in accordance with
&240.13d-1(b)(1)(ii)(F);
(g)[ ] A parent holding company or control person in accordance with
&240.13d-1(b)(1)(ii)(G);
(h)[ ] A savings association as defined in Section 3(b) of the Federal
Deposit Insurance Act(12 U.S.C. 1813);
(i)[ ] A church plan that is excluded from the definition of an investment
company under section 3(c)(14) of the Investment Company Act
(15 U.S.C. 80a-3);
(j)[ ] Group, in accordance with &240.13d-1(b)(1)(ii)(J).
ITEM 4. Ownership.
Provide the following information regarding the aggregate number and percentage
of the class of securities of the issuer identified in Item 1.
(a) Amount beneficially owned: 1,062,381
(b) Percent of class: 6.27%
(c) Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote: 952,858
(ii) Shared power to vote or to direct the vote: 24,123
(iii) Sole power to dispose or to direct the disposition of: 1,062,381
(iv) Shared power to dispose or to direct the disposition of: 0
ITEM 5. Ownership of Five Percent or Less of a Class.
If this statement is being filed to report the fact that as of the date hereof
the reporting person has ceased to be the beneficial owner of more than five
percent of the class of securities, check the following. [ ]
ITEM 6. Ownership of More than Five Percent on Behalf of Another Person.
Not applicable.
ITEM 7. Identification and Classification of the Subsidiary Which Acquired the
Security Being Reported on by the Parent Holding Company.
Not applicable.
ITEM 8. Identification and Classification of Members of the Group.
Not applicable.
ITEM 9. Notice of Dissolution of Group.
Not applicable.
ITEM 10. Certification.
Not applicable.
Signature
After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.
February 12, 2013
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Date
/s/ Mark A. Wallace
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Signature
Mark A. Wallace
Chief Financial Officer