Company · TREX · CIK 1069878

Trex Co Inc (TREX) SEC filings and CIK.

TREX’s SEC Central Index Key (CIK) is 0001069878, or 1069878 without leading zeros. The SEC’s ticker file lists it as TREX CO INC.

Ticker: TREX
CIK: 0001069878
Other tickers: None
Insider transactions, Q3 2026: 13

Insider trading

In Q3 2026, insiders at Trex Co Inc reported 13 non-derivative transactions on 14 Forms 3, 4 and 5, including 0 open-market purchases and 1 sales. See every TREX insider transaction →

Recent filings we observed

From our record of EDGAR’s latest-filings feed and sampled daily indexes. Not a complete filing history; use the filings API for that.
Filed	Form	Accession
2026-11-09	144	0001973379-26-000366

Get TREX SEC data through the API

Filing history

curl "https://sec-api.dev/api/v1/filings?cik=1069878&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Company profile

curl "https://sec-api.dev/api/v1/companies/1069878" \
  -H "Authorization: Bearer $SEC_API_KEY"

Reported XBRL facts

curl "https://sec-api.dev/api/v1/facts/1069878?taxonomy=us-gaap&concept=Revenues&limit=10" \
  -H "Authorization: Bearer $SEC_API_KEY"

Ticker to CIK API · SEC filings API · Trex Co Inc on SEC.gov

Questions

What is TREX’s CIK number?

TREX’s SEC Central Index Key (CIK) is 0001069878, or 1069878 without leading zeros. The SEC’s ticker file lists it as TREX CO INC.

How do I find Trex Co Inc’s 10-K?

Request /api/v1/filings?cik=1069878&form=10-K, or open the company’s EDGAR page and filter by 10-K. Foreign issuers file 20-F or 40-F instead.

Ticker and CIK: SEC company_tickers.json, cached 2026-11-02. Tickers can move between entities; the CIK identifies the filer.

Plain-text version for agents and LLMs: /companies/trex.md

Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.