Form4.ai tracks every SEC insider trade in real time. See every TREX insider filing with a free account — no card.
See every TREX insider filing — free account, no card.
Free accountTREX CO INC (TREX) has 4 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 1 sales totalling $53K. Most recent filing: Oct. 5, 2026.
Open-market value, last 90 days
Form 4 filings by type, last 90 days
| Date | Insider | Trade | Value | Price since buy |
|---|---|---|---|---|
| Oct 5, 2026 SEC filing | ROSE B ANDREW Director | Grant / award | $25,622 | — |
| Oct 5, 2026 SEC filing | Keffer David Christian Director | Grant / award | $6,395 | — |
| Aug 28, 2026 SEC filing | Taylor Brian J. SVP, Chief Commercial Officer | Grant / award | $450,010 | — |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.