ROSE B ANDREW 4
4 · TREX CO INC · Filed Mar 3, 2026
Insider Transaction Report
Form 4
TREX CO INCTREX
ROSE B ANDREW
Director
Transactions
- Purchase
Common Stock
[F1]2026-03-02$40.26/sh+372$14,977→ 2,175 total - Purchase
Common Stock
[F2]2026-03-03$40.14/sh+986$39,579→ 3,161 total - Purchase
Common Stock
[F3]2026-03-03$40.74/sh+11,022$449,003→ 14,183 total
Footnotes (3)
- [F1]The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $40.13 to $40.33, inclusive. The reporting person undertakes to provide to Issuer, any security holder of Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (1) to this Form 4.
- [F2]The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $39.84 to $40.34, inclusive. The reporting person undertakes to provide to Issuer, any security holder of Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (2) to this Form 4.
- [F3]The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $40.54 to $40.86, inclusive. The reporting person undertakes to provide to Issuer, any security holder of Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (3) to this Form 4.
Signature
/s/ Amy M. Fernandez by power of attorney|2026-03-03