TREX CO INC — Director's Dealing 2025

Feb 19, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TREX CO INC (TREX)
CIK: 0001069878
Period of Report: 2025-02-17

Reporting Person: FAIRBANKS BRYAN HORIX (President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-02-17	Common Stock	A	23460	$67.33	Acquired	166674	Direct
2025-02-17	Common Stock	A	33514	$67.33	Acquired	200188	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-02-17	Stock Appreciation Right	$67.33	A	20213	Acquired	2035-02-17	Common Stock (20213)	Direct

Footnotes

F1: This restricted stock unit vests over a three-year period in three equal annual installments occurring March 1, 2026, March 1, 2027 and March 1, 2028.

F2: This restricted stock unit award is performance-based, and vests over a three-year period in three equal installments occurring March 1, 2026, March 1, 2027 and March 1, 2028. The number of shares set forth above is the target number of shares. The number of shares that will actually vest each year will be based upon performance against certain financial goals for the Company, and will range from 0% to 200% of the target number of shares.

F3: The stock appreciation right becomes exercisable in three equal installments occurring March 1, 2026, March 1, 2027 and March 1, 2028.