| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Fernandez Amy M. | SVP, CLO and Secretary | C/O TREX COMPANY, INC., 2500 TREX WAY, WINCHESTER | /s/ Amy M. Fernandez | 07 Aug 2025 | 0001987902 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | TREX | Common Stock | Gift | $0 | -78 | -0.32% | $0.000000 | 24,491 | 06 Aug 2025 | Direct | F1, F2 |
| transaction | TREX | Common Stock | Sale | $98,711 | -1,538 | -6.3% | $64.18 | 22,953 | 06 Aug 2025 | Direct | F3 |
| Id | Content |
|---|---|
| F1 | On August 7, 2025, the reporting person inadvertently filed a Form 4, reporting the same transactions set forth in this report, as an amendment to a prior Form 4, as opposed to an original Form 4. This Form 4 is being filed reporting the same transactions, solely to indicate that it is an original Form 4 and not an amendment. |
| F2 | This transaction involved a gift by the reporting person to a charitable organization as described in Section 501(c)(3) of the Internal Revenue Code. |
| F3 | The price reported in column 4 is a weighted average price These shares were sold in multiple transactions at prices ranging from $64.17 to $64.19, inclusive. |