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Trex Co Inc (NYSE: TREX) director receives 2,831-share stock unit grant

Filing Impact
(Moderate)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Cline James E reported acquisition or exercise transactions in this Form 4 filing.

Trex Co Inc director James E. Cline reported receiving a grant of 2,831 shares of common stock on July 29, 2026, valued at $42.39 per share. This restricted stock unit award will vest on the first anniversary of the grant and increases his direct holdings to 45,807 shares.

Positive

  • None.

Negative

  • None.
Insider Cline James E
Role Director
Type Security Shares Price Value
Grant/Award Common Stock F1 2,831 $42.39 $120K
Holdings After Transaction: Common Stock — 45,807 shares (Direct)
Footnotes (1)
  1. F1. This restricted stock unit award will vest on the first anniversary of the grant.
Shares granted 2,831 shares Restricted stock unit award to director James E. Cline on July 29, 2026
Grant value per share $42.39 per share Reported value for the 2,831-share common stock award
Holdings after transaction 45,807 shares Total direct Trex common stock held by James E. Cline after the grant
Vesting schedule First anniversary of the grant Restricted stock unit award vests one year after the July 29, 2026 grant
restricted stock unit award financial
"This restricted stock unit award will vest on the first anniversary"
A restricted stock unit award is a promise by a company to give an employee a specified number of company shares at a future date if certain conditions are met, such as staying with the company or hitting performance goals. For investors, these awards matter because they can increase the total number of shares outstanding when converted, diluting existing holders, and they align employees’ incentives with shareholders’ interests much like giving a rising bonus that becomes real only after conditions are satisfied.
vest financial
"will vest on the first anniversary of the grant"
A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.
direct holdings financial
"increases his direct holdings to 45,807 shares"

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

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Form 4 Insider Transactions: What Each Field Means →

FAQ

What insider transaction did Trex (TREX) director James E. Cline report?
Director James E. Cline reported receiving a grant of 2,831 shares of Trex common stock as a restricted stock unit award on July 29, 2026. The grant is reported as an acquisition, not an open-market purchase or sale.

How many Trex (TREX) shares were granted and at what value?
The award covered 2,831 shares of Trex common stock at a reported value of $42.39 per share. This reflects the per-share grant value disclosed for the restricted stock unit award, not a price from open-market trading.

What are James E. Cline’s Trex (TREX) holdings after this grant?
After the reported grant, director James E. Cline directly holds 45,807 shares of Trex common stock. This figure reflects his total direct ownership immediately following the 2,831-share restricted stock unit award on July 29, 2026.

When do the newly granted Trex (TREX) restricted stock units vest?
The filing states that this restricted stock unit award will vest on the first anniversary of the grant. That means the 2,831-share award becomes fully vested one year after the July 29, 2026 grant date, subject to applicable conditions.

Was the Trex (TREX) insider grant made under a Rule 10b5-1 trading plan?
The document-level Rule 10b5-1 checkbox is not checked, and there is no footnote indicating a trading plan. The reported transaction is a director stock unit grant rather than a purchase or sale under a preset trading arrangement.
SEC Form 4
FORM 4UNITED 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*
Cline James E
(Last)(First)(Middle)
C/O TREX COMPANY, INC.
2500 TREX WAY
(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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/29/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock07/29/2026A(1)2,831A$42.3945,807D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount 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 attorney07/30/2026
** Signature of Reporting PersonDate
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