| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Rudolph Jacob T. | SVP, CHRO | 2500 TREX WAY, C/O TREX COMPANY, INC., WINCHESTER | /s/ Amy M. Fernandez by power of attorney | 2025-10-14 | 0002013330 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | TREX | Common Stock | Purchase | $2.59K | +59 | +0.21% | $43.92 | 27.7K | 10 Oct 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Shares were purchased through the Trex Company, Inc. Amended and Restated 1999 Employee Stock Purchase Plan |