As of November 10, 2026, Trex Co Inc is a publicly traded company (NYSE: TREX); its largest reported holder is Wellington Management, with 9.5% on Schedule 13G/A of August 13, 2026, then Millennium (5.5%). The largest insider holding is Zambanini Adam Dante, the chief executive and president, with 235,505 shares (0.24% of shares outstanding), per Form 4/A of November 9, 2026 (Schedule 13G/A, August 13, 2026).
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Is Trex Co Inc a real, registered company?
- Trex Co Inc files with the SEC under CIK 1069878 (its SEC filings).
- Its shares are listed under the ticker TREX on NYSE (SEC company record).
- Incorporated in Delaware; business address in Winchester, Virginia, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under Trex Co Inc in our court records and SEC 8-K records (as of 2026-11-10).
- Leadership changes: the latest reported is Brian J. Taylor, Chief Commercial Officer (Form 8-K filed 2026-08-24). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Wellington Management (filed 2026-08-13).
Who are Trex Co Inc's owners and officers?
Trex Co Inc: incorporated in Delaware; business address in Winchester, Virginia; industry Lumber & Wood Products (No Furniture) (Schedule 13G/A, 2026-09-04).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-09-04 | Alliancebernstein L.P. | 0.2% |
| Schedule 13G/A, 2026-08-13 | Wellington Management Group LLP | 9.5% |
| Schedule 13G, 2026-08-07 | Millennium Management LLC | 5.5% |
| Schedule 13G/A, 2026-08-06 | Wellington Management Group LLP | 10.4% |
| Schedule 13G/A, 2026-05-15 | Wellington Management Group LLP | 8% |
| Schedule 13G, 2026-04-30 | Vanguard Capital Management | 5.36% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13G/A, 2026-02-17 | Alliancebernstein L.P. | 6.1% |
| Schedule 13G, 2026-02-10 | Wellington Management Group LLP | 6.7% |
| Schedule 13G/A, 2025-11-14 | T. Rowe Price Associates, Inc. | 0.7% |
| Schedule 13G/A, 2025-08-14 | Wasatch Advisors LP | 4.8% |
Questions about who owns Trex Co Inc
Who owns Trex Co Inc?
On this page, 3 holders' latest ownership filings report 5% or more of Trex Co Inc: Wellington Management Group LLP (9.5%, Schedule 13G/A, filed 2026-08-13), Millennium Management LLC (5.5%, Schedule 13G, filed 2026-08-07) and Vanguard Capital Management (5.36%, Schedule 13G, filed 2026-04-30).
Who are the largest shareholders of Trex Co Inc?
By the share each holder's latest filing reports, the largest holders of Trex Co Inc on this page are Wellington Management Group LLP (9.5%), Millennium Management LLC (5.5%) and Vanguard Capital Management (5.36%).
When did Wellington Management Group LLP buy into Trex Co Inc?
The filings give report dates, not purchase dates. The earliest filing from Wellington Management Group LLP on this page is the Schedule 13G, filed 2026-02-10, reporting 6.7%; its latest, Schedule 13G/A filed 2026-08-13, reports 9.5%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 11 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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What the Full Report on Trex Co Inc covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-08-24 | Brian J. Taylor | Chief Commercial Officer | appointed | 2026-08-24 |
| Form 8-K, 2026-05-04 | Zachary C. Lauer | Chief Operations Officer | appointed |
Which insiders own Trex Co Inc shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , the chief executive and president: 235,505 shares (0.24% of shares outstanding) (Form 4/A, 2026-11-09).
- , the chief executive and president: 167,044 shares (0.17% of shares outstanding) (Form 4, 2026-03-03).
- , the chief financial officer and senior vice president: 76,454 shares (0.08% of shares outstanding) (Form 4, 2026-02-25).
- , a director: 73,162 shares (0.07% of shares outstanding) (Form 4, 2026-07-30).
- , the senior vice president and chief legal officer: 66,563 shares (0.07% of shares outstanding) (Form 4, 2026-11-09).
Shares outstanding: 99,936,893 as of 2026-10-14, from the company's latest SEC cover page.
How much has Trex Co Inc raised?
No fundraising or offering filing from Trex Co Inc is on file with us.
Keep reading
More on Trex Co Inc and the records around it.
Trex Co Inc elsewhere on the record
- 5%+ stake filings Sep 2026
- Leadership changes Aug 2026
Companies that share a holder
- WASATCH ADVISORS LP also filed stake reports on 72 other companies: Smith Douglas Homes Corp (Oct 2026), Amtech Systems Inc (Oct 2026), BBB Foods Inc (Oct 2026)
- AllianceBernstein L.P. also filed stake reports on 82 other companies: New Fortress Energy Inc (Nov 2026), RIVERNORTH OPPORTUNITIES FUND, INC. (Oct 2026), AB Private Lending Fund (Aug 2026)
- Millennium Management LLC also filed stake reports on 121 other companies: Catalyst Acquisition Corp. (Nov 2026), RxSight, Inc. (Nov 2026), Ares Acquisition Corporation III (Oct 2026)
Related pages
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