Trex CHRO Jacob T. Rudolph sells 1,969 shares

Q: How many TREX shares did Jacob T. Rudolph sell, and at what price?

Jacob T. Rudolph, TREX's SVP, CHRO, sold 1,969 common shares on November 9, 2026, at a weighted average price of $59.067 per share. The shares were sold in multiple transactions ranging from $58.92 to $59.1425 per share. The sale was not reported as made under a Rule 10b5-1 plan.

An earlier stock appreciation right exercise generated 2,800 common shares, while rights under other awards remain outstanding.

Available on EDGAR 11/09/2026 - 08:04 PM EST Accepted by SEC EDGAR 11/09/2026 - 08:03 PM EST

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Rhea-AI Filing Summary

TREX Co. Inc. (TREX) SVP, CHRO Jacob T. Rudolph exercised 4,076 stock appreciation rights on November 5, 2026, at a grant price of $17.523 per share. The exercise was settled through issuance of 2,800 common shares, based on a fair market value of $56.01 per share.

On November 9, 2026, Rudolph sold 1,969 common shares at a weighted average price of $59.067 per share; transactions ranged from $58.92 to $59.1425 per share. The sale was not reported as made under a Rule 10b5-1 plan. No rights remained under the exercised award, while Rudolph continued to hold stock appreciation rights under other previously reported awards.

Insider Trade Summary

Exercise and sale activity reported; no spread calculated

Exercise and Sale 3 txns

Insider Rudolph Jacob T.

Role SVP, CHRO

Sold 1,969 shs ($116K)

Approx. gross sale proceeds $116K

Approx. exercise cost $71K

Share of Position Sold 5.0%

Type	Security	Shares	Price	Value
Sale	Common Stock ^F2	1,969	$59.067	$116K
Exercise	Stock Appreciation Right ^{F3, F4}	4,076	$0.00	$0.00
Exercise	Common Stock ^F1	2,800	$0.00	$0.00

Holdings After Transaction: Stock Appreciation Right — 0 rights (Direct); Common Stock — 37,462 shares (Direct)

Holdings Before and After: Stock Appreciation Right, 4,076 to 0 rights (Direct); Common Stock, 36,631 to 37,462 shares (Direct)

Other Insiders: 2 other insiders reported open-market sales of this stock in the 30 days up to this filing.

Footnotes (4)

F1. Represents 2,800 shares of common stock issued upon settlement of the exercise of 4,076 stock appreciation rights reported in Table II. The number of shares issued was determined based on the excess of the fair market value of the Issuer's common stock on the exercise date over the SAR grant price.
F2. The price reported represents the weighted average sale price. The shares were sold in multiple transactions at prices ranging from $58.92 to $59.1425, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares sold at each separate price within the range set forth herein.
F3. Represents the exercise of 4,076 stock appreciation rights. Each stock appreciation right entitled the Reporting Person, upon exercise, to receive the excess of the fair market value of one share of the Issuer's common stock on the exercise date over the SAR grant price of $17.523 per share. Based on a fair market value of $56.01 per share on the exercise date, the exercise was settled through the issuance of 2,800 shares of common stock, as reported in Table I.
F4. Following the reported exercise, no stock appreciation rights remain outstanding under this award. The Reporting Person continues to hold stock appreciation rights under other awards previously reported.

Key Figures

Stock appreciation rights exercised: 4,076 rights Grant price: $17.523 per share Fair market value: $56.01 per share +4 more

7 metrics

Stock appreciation rights exercised 4,076 rights November 5, 2026

Grant price $17.523 per share Exercised stock appreciation rights

Fair market value $56.01 per share On the exercise date

Common shares issued 2,800 shares Settlement of the stock appreciation right exercise

Common shares sold 1,969 shares November 9, 2026

Weighted average sale price $59.067 per share Sale on November 9, 2026

Sale price range $58.92 to $59.1425 per share Multiple transactions

Key Terms

stock appreciation rights, weighted average sale price, grant price, fair market value

4 terms

stock appreciation rights financial

"exercise of 4,076 stock appreciation rights"

Stock appreciation rights (SARs) are a form of employee compensation that give the holder the right to receive the increase in a company's stock price over a set baseline, paid in cash or shares, without having to buy the stock. For investors, SARs matter because they can create future cash outflows or share dilution and signal how a company rewards and motivates executives — similar to giving a bonus tied directly to how well the company’s stock performs.

weighted average sale price financial

"The price reported represents the weighted average sale price."

grant price financial

"over the SAR grant price of $17.523 per share"

fair market value financial

"based on a fair market value of $56.01 per share"

The price a willing buyer and a willing seller would agree on for an asset or security when neither is under pressure and both have access to the same information. Think of it as the market’s neutral estimate of what something is worth, like the price two neighbors would settle on for a car after comparing similar listings. Investors care because fair market value guides buying and selling decisions, tax reporting, portfolio valuation, and how accurately company assets are reflected in financial statements.

FAQ

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

How many TREX shares did Jacob T. Rudolph sell, and at what price?

Jacob T. Rudolph, TREX's SVP, CHRO, sold 1,969 common shares on November 9, 2026, at a weighted average price of $59.067 per share. The shares were sold in multiple transactions ranging from $58.92 to $59.1425 per share. The sale was not reported as made under a Rule 10b5-1 plan.

What TREX stock appreciation rights did Jacob T. Rudolph exercise?

Rudolph exercised 4,076 stock appreciation rights on November 5, 2026, with a grant price of $17.523 per share. Based on a $56.01 per-share fair market value, the exercise was settled through issuance of 2,800 common shares. No rights remained under that award; he continued to hold rights under other previously reported awards.

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

Form 4 Insider Transactions: What Each Field Means →

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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^*

Rudolph Jacob T.

(Last)

(First)

(Middle)

2500 TREX WAY

C/O TREX COMPANY, INC.

(Street)

WINCHESTER

VIRGINIA

22601

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
TREX CO INC [ TREX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	SVP, CHRO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/05/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	11/05/2026		M		2,800⁽¹⁾	A	$0	39,431	D
Common Stock	11/09/2026		S		1,969	D	$59.067⁽²⁾	37,462	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Appreciation Right	$17.523	11/05/2026		M			4,076⁽³⁾	02/15/2020	02/15/2027	Common Stock	4,076	$0	0⁽⁴⁾	D

Explanation of Responses:

1. Represents 2,800 shares of common stock issued upon settlement of the exercise of 4,076 stock appreciation rights reported in Table II. The number of shares issued was determined based on the excess of the fair market value of the Issuer's common stock on the exercise date over the SAR grant price.

2. The price reported represents the weighted average sale price. The shares were sold in multiple transactions at prices ranging from $58.92 to $59.1425, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares sold at each separate price within the range set forth herein.

3. Represents the exercise of 4,076 stock appreciation rights. Each stock appreciation right entitled the Reporting Person, upon exercise, to receive the excess of the fair market value of one share of the Issuer's common stock on the exercise date over the SAR grant price of $17.523 per share. Based on a fair market value of $56.01 per share on the exercise date, the exercise was settled through the issuance of 2,800 shares of common stock, as reported in Table I.

4. Following the reported exercise, no stock appreciation rights remain outstanding under this award. The Reporting Person continues to hold stock appreciation rights under other awards previously reported.

	/s/ Amy M. Fernandez by power of attorney	11/09/2026
	** 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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR