AllianceBernstein discloses 6.1% Trex (TREX) ownership stake

Rhea-AI Filing Summary

AllianceBernstein L.P. reports beneficial ownership of 6,503,478 shares, or 6.1% of the common stock of Trex Co Inc, as of 12/31/2025. AllianceBernstein has sole voting power over 6,244,769 shares and sole dispositive power over 6,412,468 shares, with an additional 91,010 shares under shared dispositive power.

The shares are held for investment purposes in client discretionary advisory accounts, and AllianceBernstein certifies they are not held to change or influence control of Trex. The firm notes it operates under independent management from its majority owner, Equitable Holdings, Inc.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 3)

Trex Co Inc

(Name of Issuer)

Common Stock

(Title of Class of Securities)

89531P105

(CUSIP Number)

12/31/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 89531P105

1

Names of Reporting Persons

AllianceBernstein L.P.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 6,244,769.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 6,412,468.00
8	Shared Dispositive Power 91,010.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

6,503,478.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

6.1 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Trex Co Inc
(b)	Address of issuer's principal executive offices: 2500 TREX WAY, WINCHESTER, VA 22601
Item 2.
(a)	Name of person filing: AllianceBernstein L.P. ("AllianceBernstein L.P.")
(b)	Address or principal business office or, if none, residence: 501 Commerce Street, Nashville, TN 37203 All media outlets, please contact Jennifer Will at AllianceBernstein (212-969-1157) with any questions. All other questions can be directed to Section13USFilings@alliancebernstein.com.
(c)	Citizenship: Delaware
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 89531P105
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer 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)	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 associations 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 of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 6,503,478 shares acquired solely for investment purposes on behalf of client discretionary investment advisory accounts.* *AllianceBernstein L.P. is a majority owned subsidiary of Equitable Holdings, Inc. ("EQH"). AllianceBernstein operates under independent management and makes independent decisions from EQH and its respective subsidiaries, and EQH calculates and reports beneficial ownership separately from AllianceBernstein pursuant to guidance provided by the Securities and Exchange Commission in Release Number 34-39538 (January 12, 1998).
(b)	Percent of class: 6.1 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 6,244,769
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 6,412,468
	(iv) Shared power to dispose or to direct the disposition of: 91,010
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 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 or Control Person.
	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.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

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.

AllianceBernstein L.P.

Signature:	Marcus Edwards
Name/Title:	AVP/ Senior Compliance Associate
Date:	02/17/2026

FAQ

How many Trex (TREX) shares does AllianceBernstein beneficially own?

AllianceBernstein L.P. reports beneficial ownership of 6,503,478 Trex common shares. These shares are held in client discretionary investment advisory accounts, giving AllianceBernstein voting and/or dispositive power as described, and represent a significant institutional position in Trex’s equity.

What percentage of Trex (TREX) does AllianceBernstein hold?

AllianceBernstein L.P. reports holding 6.1% of Trex’s common stock. This ownership percentage is based on Trex’s outstanding shares and reflects AllianceBernstein’s role as a sizable institutional investor rather than a controlling shareholder.

How much voting power does AllianceBernstein have over Trex (TREX) shares?

AllianceBernstein has sole voting power over 6,244,769 Trex shares and no shared voting power. This means AllianceBernstein alone decides how these shares are voted in shareholder matters for the client accounts it manages.

What dispositive power does AllianceBernstein report over Trex (TREX) stock?

AllianceBernstein reports sole dispositive power over 6,412,468 Trex shares and shared dispositive power over 91,010 shares. Dispositive power refers to the authority to sell or otherwise decide the disposition of the securities held in client accounts.

Why did AllianceBernstein file an amended Schedule 13G/A for Trex (TREX)?

AllianceBernstein filed Amendment No. 3 to Schedule 13G because its beneficial ownership in Trex common stock exceeded 5% as of 12/31/2025. Such filings update the market on significant institutional holdings in accordance with SEC ownership reporting rules.

Is AllianceBernstein seeking control of Trex (TREX) through this stake?

AllianceBernstein certifies the Trex shares were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of Trex. The position reflects investment activity on behalf of advisory clients.