Amy M. Fernandez - 01 Mar 2026 Form 4 Insider Report for TREX CO INC (TREX)

Reporting relationship: SVP, CLO and Secretary
Issuer ticker: TREX
Reported as of: 01 Mar 2026
Net transaction value: -$151,970
SEC form: 4
Accepted by SEC: 03 Mar 2026, 18:59:16 UTC
Prior SEC filing: 25 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Amy M. Fernandez

Key filing fact

Amy M. Fernandez filed Form 4 for TREX CO INC (TREX) on 03 Mar 2026.

Key facts

This page summarizes Amy M. Fernandez's Form 4 filing for TREX CO INC (TREX).
3 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 03 Mar 2026, 18:59.

Change

Previous filing in this sequence was filed on 25 Feb 2026.
Current net transaction value: -$151,970.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001987902 Primary reporting owner

Fernandez Amy M.

Relationship: SVP, CLO and Secretary
Address: C/O TREX COMPANY, INC., 2500 TREX WAY, WINCHESTER
Signature: /s/ Amy M. Fernandez
Signature date: 03 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

TREX transaction

Common Stock

Award

Transaction value: $79,112
Shares: +1,910
Change %: +2.6%
Price: $41.42
Shares after: 74,423
Date: 01 Mar 2026
Ownership: Direct
Footnotes: F1

TREX transaction

Common Stock

Other

Transaction value: $44,858
Shares: -1,083
Change %: -1.5%
Price: $41.42
Shares after: 73,340
Date: 01 Mar 2026
Ownership: Direct
Footnotes: F2

TREX transaction

Common Stock

Tax liability

Transaction value: $186,224
Shares: -4,496
Change %: -6.1%
Price: $41.42
Shares after: 68,844
Date: 01 Mar 2026
Ownership: Direct
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Represents net share difference between target performance-based shares and actual vested shares, based upon actual performance of the Company.

Footnote F2

Represents the target number of performance-based restricted units which did not vest due to the performance condition not being satisfied.

Footnote F3

4.496 shares are being surrendered as allowed by the Company's 2023 Stock Incentive Plan to cover payment of taxes currently due on previously granted restricted stock units.