Trex Company (TREX) director granted 178-share RSU award, now holds 3,249 shares

Rhea-AI Filing Summary

Trex Company, Inc. reported an equity award to one of its directors. On 01/02/2026, the director received 178 shares of Trex common stock as a restricted stock unit award at a price of $35.83 per share, bringing the director's directly held beneficial ownership to 3,249 shares after the transaction.

The filing notes that this restricted stock unit award will vest on the first anniversary of the grant, meaning the director earns full rights to the shares after one year. This type of grant is a routine form of equity-based compensation that further ties the director’s interests to the long-term performance of Trex’s stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Keffer David Christian

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	178	$35.83	$6K

Holdings After Transaction: Common Stock — 3,249 shares (Direct)

Footnotes (1)

1. [object Object]

Form 4 Insider Transactions: What Each Field Means →

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Keffer David Christian

(Last) (First) (Middle)

2500 TREX WAY

C/O TREX COMPANY, INC.

(Street)

WINCHESTER VA 22601

(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)
01/02/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	01/02/2026		A(1)		178	A	$35.83	3,249	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This restricted stock unit award will vest on the first anniversary of the grant.

	/s/ Amy M. Fernandez by power of attorney	01/05/2026
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did TREX report in this Form 4 filing?

The filing reports that a Trex Company, Inc. director received 178 shares of common stock as a restricted stock unit award on 01/02/2026 at a price of $35.83 per share.

How many TREX shares does the reporting person own after this transaction?

After the reported grant, the director beneficially owns 3,249 shares of Trex Company, Inc. common stock in direct ownership.

What type of equity award was granted to the TREX director?

The award is a restricted stock unit (RSU) grant tied to Trex common stock, as explained in the responses section of the filing.

When do the restricted stock units granted by TREX vest?

The filing states that this restricted stock unit award will vest on the first anniversary of the grant, one year after 01/02/2026.

What is the relationship of the reporting person to Trex Company, Inc. (TREX)?

The reporting person is identified as a Director of Trex Company, Inc., according to the relationship section of the filing.

Is this TREX Form 4 filed by one insider or a group?

The document indicates that the Form 4 is filed by one reporting person, not by more than one reporting person.