TREX
TREX CO INC · Manufacturing · Market cap $4.6B
Insiders sold $123K net in the last 90 days ·2 sellers, 0 buyers· 1 of 2 sales under Rule 10b5-1 plans· latest Form 4 filed Aug 11, 2026
Insider Buying
$985K
reported purchases (SEC code P)
Insider Selling
$123K
reported sales (SEC code S)
Unique Insiders
4
in the rolling window
Latest filing
Aug 28, 2026
Fernandez Amy M.
TREX CO INC (TREX) has 35 SEC Form 4 filings (50 transaction rows) in the rolling window, disclosed by 4 distinct insiders. Most recent filing: Aug 28, 2026.
Inside the rolling window, 4 insiders at TREX CO INC reported 4 open-market purchases totaling $985K and 2 open-market sales totaling $123K. Insiders have net bought $381K over the trailing 6 months. The most recent open-market filing is a sale of 1,050 shares by SVP, CLO and Secretary Fernandez Amy M., dated Aug 7, 2026, worth $53K.
- Industry:Construction Materials
- CEO:Adam Dante Zambanini
- Employees:1,839
- HQ:Winchester, VA, US
- IPO:1999-04-08
| Source | |||||||
|---|---|---|---|---|---|---|---|
Fernandez Amy M.First filing | SVP, CLO and Secretary | Sale | 1,050 | $53K | Aug 11 | -9.6% | SEC ↗ |
Rudolph Jacob T.First in 9 months | SVP, CHRO | Sale | 1,400 | $70K | Jun 26 | -9.6% | SEC ↗ |
ROSE B ANDREWFirst filing | Director | Purchase | 372 | $15K | Mar 3 | +11.9% | SEC ↗ |
ROSE B ANDREWFirst filing | Director | Purchase | 12,008 | $489K | Mar 3 | +11.9% | SEC ↗ |
Gandhi PrithviFirst filing | SVP, Chief Financial Officer | Purchase | 15,000 | $479K | Nov 17 | +43.6% | SEC ↗ |
Rudolph Jacob T.First filing | SVP, CHRO | Purchase | 59 | $3K | Oct 14 | -15.4% | SEC ↗ |
Congress trading TREX 5 all-time
- RSen. Thomas Hawley TubervilleOther$1,001 - $15,0002023-04-03
- RSen. Thomas Hawley TubervilleOther$1,001 - $15,0002023-04-03
- RSen. Thomas Hawley TubervillePurchase$1,001 - $15,0002022-10-06
- DRep. Ro KhannaSale$1,001 - $15,0002022-02-17
- DRep. Ro KhannaPurchase$1,001 - $15,0002022-01-21
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does TREX have?
TREX CO INC (TREX) has 35 SEC Form 4 filings (50 transaction rows) in the rolling 365-day window, disclosed by 4 distinct insiders. Most recent filing: Aug 28, 2026.
When was the most recent SEC Form 4 filing for TREX?
The most recent Form 4 filing for TREX on Tracefour is dated Aug 28, 2026.
What is the net insider flow at TREX over the last 6 months?
Over the trailing 180 days, insiders at TREX have net bought $381K based on SEC Form 4 disclosures.
What is the total insider buy and sell value at TREX in the current window?
Inside the rolling window, insiders at TREX bought $985K and sold $123K based on SEC Form 4 filings.
Can I get alerts for TREX insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at TREX CO INC (TREX). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
TREX CO INC is in the Manufacturing sector.