Trex executive proposes $116K common share sale

Citigroup Global Markets, Inc. is named as broker, and the proposed sale's approximate date is November 9, 2026.

Available on EDGAR 11/09/2026 - 04:11 PM EST Accepted by SEC EDGAR 11/09/2026 - 04:11 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Trex Co Inc's SVP, CHRO Rudolph Jacob T. reported a proposed sale of 1,969 common shares, with an aggregate market value of $116,302.00. The approximate sale date is November 9, 2026, and Citigroup Global Markets, Inc. is named as broker.

Key Figures

Proposed sale: 1,969 common shares Aggregate market value: $116,302.00 Shares outstanding: 99,936,893 shares +1 more

4 metrics

Proposed sale 1,969 common shares TREX common stock

Aggregate market value $116,302.00 Proposed sale

Shares outstanding 99,936,893 shares Number reported in the securities information

Approximate sale date November 9, 2026 Proposed sale

Key Terms

Aggregate Market Value, Retained Shares

2 terms

Aggregate Market Value financial

"Aggregate Market Value"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

Retained Shares financial

"Nature of Acquisition Transaction: Retained Shares"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many TREX shares did Rudolph Jacob T. propose to sell?

Rudolph Jacob T. reported a proposed sale of 1,969 TREX common shares, with an aggregate market value of $116,302.00. The approximate sale date is November 9, 2026, and Citigroup Global Markets, Inc. is named as broker.

How did Rudolph Jacob T. acquire the TREX shares?

The securities table identifies the 1,969 shares as retained shares acquired from Trex Company, Inc. as compensation. Although the table lists November 9, 2026 for acquisition and payment, the remarks state those dates were on various dates.

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

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Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002013330
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	TREX CO INC
SEC File Number	001-14649
Address of Issuer	2500 TREX WAY WINCHESTER VIRGINIA 22601
Phone	5405426300
Name of Person for Whose Account the Securities are To Be Sold	Rudolph Jacob T.
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	SVP, CHRO

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	Citigroup Global Markets, Inc 390 Greenwich St New York NY 10013	1969	116302.00	99936893	11/09/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock	11/09/2026	Retained Shares	Trex Company, Inc.			1969	11/09/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks	Date acquired and date of payment are on various dates.
Date of Notice	11/09/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	Conformed Signature On File
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)