Rudolph Jacob T. - 25 Jun 2026 Form 4 Insider Report for TREX CO INC (TREX)

Reporting relationship: SVP, CHRO
Issuer ticker: TREX
Reported as of: 25 Jun 2026
Net transaction value: -$70,000
SEC form: 4
Accepted by SEC: 26 Jun 2026, 14:18:30 UTC
Prior SEC filing: 03 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Amy M. Fernandez by power of attorney

Key filing fact

Rudolph Jacob T. filed Form 4 for TREX CO INC (TREX) on 26 Jun 2026.

Key facts

This page summarizes Rudolph Jacob T.'s Form 4 filing for TREX CO INC (TREX).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 26 Jun 2026, 14:18.

Change

Previous filing in this sequence was filed on 03 Mar 2026.
Current net transaction value: -$70,000.

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 0002013330 Primary reporting owner

Rudolph Jacob T.

Relationship: SVP, CHRO
Address: 2500 TREX WAY, C/O TREX COMPANY, INC., WINCHESTER
Signature: /s/ Amy M. Fernandez by power of attorney
Signature date: 26 Jun 2026

Reported non-derivative transactions

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

TREX transaction

Common Stock

Sale

Transaction value: $70,000
Shares: -1,400
Change %: -3.7%
Price: $50.00
Shares after: 36,631
Date: 25 Jun 2026
Ownership: Direct
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 1 footnote

Footnote F1

The reported transaction was effected pursuant to a plan adopted by the reporting person on March 5, 2026, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934 (the "10b5-1 Plan"). The 10b5-1 Plan provides for automatic sales of shares according to pre-established instructions. The reporting person sold 1,400 shares in a single trade at a price of $50.00 per share. All 1,400 shares under the 10b5-1 Plan have been sold.