Trex holder AllianceBernstein reports 0.2% stake

Rhea-AI Filing Summary

TREX CO INC (TREX) is the subject of an amended Schedule 13G filing in which AllianceBernstein L.P. reports beneficial ownership of 202,483 shares of Trex common stock, representing 0.2% of the class, held solely for investment purposes in client discretionary investment advisory accounts.

AllianceBernstein reports 181,640 shares with sole voting power, 116,118 shares with sole dispositive power, and 86,365 shares with shared dispositive power, and confirms that its aggregate holdings represent 5 percent or less of Trex’s outstanding common stock.

Key Figures

Beneficial ownership: 202,483 shares Percent of class: 0.2% Sole voting power: 181,640 shares +3 more

6 metrics

Beneficial ownership 202,483 shares Trex Co Inc common stock held for investment on behalf of client advisory accounts

Percent of class 0.2% Portion of Trex common stock class beneficially owned by AllianceBernstein L.P.

Sole voting power 181,640 shares Shares for which AllianceBernstein L.P. can solely vote or direct the vote

Sole dispositive power 116,118 shares Shares for which AllianceBernstein L.P. can solely dispose or direct the disposition

Shared dispositive power 86,365 shares Shares for which disposition power is shared by AllianceBernstein L.P.

Ownership threshold status 5 percent or less of class AllianceBernstein L.P. confirms its Trex holdings are at or below 5% ownership

Key Terms

Schedule 13G, beneficially owned, dispositive power, discretionary investment advisory accounts, +1 more

5 terms

Schedule 13G regulatory

"reports beneficial ownership on an amended Schedule 13G filing"

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

beneficially owned financial

"Amount beneficially owned: 202,483 shares acquired solely for investment purposes"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

dispositive power financial

"Sole power to dispose or to direct the disposition of: 116,118"

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

discretionary investment advisory accounts financial

"shares acquired solely for investment purposes on behalf of client discretionary investment advisory accounts"

percent of class financial

"Percent of class: 0.2 %"

Percent of class is the portion of a specific category of securities—such as a company’s common shares, preferred shares, or a bond series—that takes part in or approves a corporate action (vote, consent, tender, etc.). Investors watch this number because it reveals how much support or opposition exists within that particular shareholder group; like counting how many members of a club back a proposal, it can determine whether a plan passes or how influence is distributed.

FAQ

How many TREX shares does AllianceBernstein L.P. report owning in this Schedule 13G/A?

AllianceBernstein L.P. reports beneficial ownership of 202,483 Trex Co Inc (TREX) common shares. These shares are held solely for investment purposes on behalf of client discretionary investment advisory accounts.

What percentage of Trex Co Inc (TREX) does AllianceBernstein L.P. own according to this filing?

AllianceBernstein L.P. reports ownership of 0.2% of Trex Co Inc’s common stock, and states that this represents 5 percent or less of the class of outstanding Trex common shares.

How much voting power over TREX shares does AllianceBernstein L.P. report?

AllianceBernstein L.P. reports sole voting power over 181,640 Trex shares and shared voting power over 0 shares. This defines how many shares it can vote or direct the vote for in client accounts.

What dispositive power over TREX shares does AllianceBernstein L.P. have?

AllianceBernstein L.P. reports sole dispositive power over 116,118 Trex shares and shared dispositive power over 86,365 shares, indicating how many shares it can sell or otherwise direct the disposition of.

Are AllianceBernstein L.P.’s TREX holdings for investment or control purposes?

AllianceBernstein L.P. states the 202,483 Trex shares are acquired solely for investment purposes on behalf of client discretionary investment advisory accounts, indicating a portfolio investment rather than a control position.

Is AllianceBernstein L.P. a standalone company or part of a larger group in relation to TREX holdings?

AllianceBernstein L.P. is described as a majority owned subsidiary of Equitable Holdings, Inc. (EQH), but it states that it operates under independent management and makes independent decisions from EQH regarding beneficial ownership reporting.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/04/2026 - 10:26 AM Accepted by SEC EDGAR 09/04/2026 - 10:21 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 4)

Trex Co Inc

(Name of Issuer)

Common Stock

(Title of Class of Securities)

(CUSIP Number)

08/31/2026

(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)

schemaVersion:

SCHEDULE 13G

CUSIP No.

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 181,640.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 116,118.00
8	Shared Dispositive Power 86,365.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

202,483.00

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)

0.2 %

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.:
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: 202,483 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: 0.2 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 181,640
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 116,118
	(iv) Shared power to dispose or to direct the disposition of: 86,365
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
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:	09/04/2026