| Accession Number: | 0001127602-21-005671 |
| Date: | 2021-02-13 |
| Issuer: | TREX CO INC (TREX) |
| Original Submission Date: |
ZAMBANINI ADAM DANTE
160 EXETER DRIVE
WINCHESTER, VA 22603
| Title of Security | Transaction Date | 2a. Deemed Execution Date | Transaction Code | Shares | Acquired or Disposed | Price per share | 5. Amount of Securities Beneficially Owned Following Reported Transaction | 6. Ownership Form Direct or Indirect | Nature of Indirect Ownership |
|---|---|---|---|---|---|---|---|---|---|
| COMMON STOCK | 2021-02-13 | F | 831 | d | $106.28 | 164,489 | direct | ||
| COMMON STOCK | 2021-02-14 | F | 587 | d | $106.28 | 163,902 | direct |
| Title of Derivative Security | Conversion or Exercise Price of Derivative Security | Transaction Date | Deemed Execution Date | Transaction Code | Number of Derivative Securities Acquired (A) or Disposed of (D) | Date Exercisable | Expiration Date | Title and Amount of Securities Underlying Derivative Security | Price of Derivative Security | Number of derivative Securities Beneficially Owned Following Reported Transaction(s) | Ownership Form: Direct (D) or Indirect (I) | Nature of Indirect Beneficial Ownership |
|---|
| ID | footnote |
|---|---|
| f1 | 831 shares are being surrendered as allowed by the company's 2014 stock incentive plan to cover payment of taxes currently due on previously granted restricted stock units. |
| f2 | 587 shares are being surrendered as allowed by the company's 2014 stock incentive plan to cover payment of taxes currently due on previously granted restricted stock units. |
| f3 | on september 14, 2020, the company effectuated a two-for-one stock split to common shareholders of record on august 19, 2020. the amounts set forth in this form 4 and all subsequent reports filed report the amounts adjusted to reflect the stock split. |
