---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-306027"
form_type: "8-K"
ticker: "TREX"
cik: "0001069878"
company_name: "TREX CO INC"
filed_at: "2025-12-03T23:59:59+00:00"
generated_at: "2026-05-16T15:00:33.827253+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Trex appoints B. Andrew Rose to board; former Worthington CEO brings 30+ years experience

## Summary
- Appointment effective December 3, 2025; Rose will serve on Audit and Compensation Committees.
- Rose previously President and CEO of Worthington Enterprises (2023-2024) and Worthington Industries (2020-2023).
- Board now has 10 directors, 9 independent; Rose is class of 2026 and will stand for election.
- Director Ronald Kaplan (since 2008) will not stand for re-election at 2026 annual meeting.
- Rose also serves on boards of Sterling Infrastructure and Greif, Inc.

## SEC filing metadata
- accession: 0001193125-25-306027
- form_type: 8-K
- ticker: TREX
- cik: 0001069878
- company_name: TREX CO INC
- filed_at: 2025-12-03T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1069878/000119312525306027/0001193125-25-306027-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1069878/000119312525306027/trex-20251203.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-306027
- JSON: https://secwatch.observer/filing/0001193125-25-306027.json
- Plain text: https://secwatch.observer/filing/0001193125-25-306027.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.