Zambanini Adam Dante 4
4 · TREX CO INC · Filed Feb 25, 2026
Insider Transaction Report
Form 4
TREX CO INCTREX
Zambanini Adam Dante
EVP, Chief Operating Officer
Transactions
- Award
Common Stock
[F1]2026-02-24$41.45/sh+18,914$783,985→ 222,176 total - Award
Common Stock
[F2]2026-02-24$41.45/sh+18,914$783,985→ 241,090 total
Footnotes (2)
- [F1]This restricted stock unit award vests over a three-year period in three equal annual installments occurring March 1, 2027, March 1, 2028 and March 1, 2029.
- [F2]This restricted stock unit award is performance-based, and vests over a three-year period in three equal installments occurring March 1, 2027, March 1, 2028 and March 1, 2029. 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.
Signature
/s/ Amy M. Fernandez by power of attorney|2026-02-25