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Public ownership evidence

Trex Company, Inc. (TREX) Ownership Disclosures

Read TREX insider transactions, institutional 13F filings and Congressional disclosures with report dates, public availability and original receipts.

As of 2026-11-10T07:40:50.020Z

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2026-11-102026-11-09Zambanini Adam DanteS500Not reported

First displayed source row from Recent Form 4 activity. The full bounded history and coverage notes remain below.

The displayed observation date is 2026-11-09 and its public availability date is 2026-11-10. Subtracting those calendar dates gives 1 day of disclosure lag. Historical public research can use the record from the availability date, rather than backdating knowledge to the observation date. The calendar-day difference does not assert an intraday publication time.

This row is code S: a sale. A purchase-following rule excludes this sale even if the reported dollar amount is large.

Open the linked original receipts to verify the row, then inspect a second record before drawing a pattern. This public filing observation supplies source evidence, not a completed copy-trading return.

SEC 0001069878-26-000091 ↗SEC 0001069878-26-000089 ↗SEC 0001069878-26-000087 ↗

Recent Form 4 activity

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2026-11-102026-11-09Zambanini Adam DanteS500Not reported
2026-11-102026-11-09Rudolph Jacob T.S1,969Not reported
2026-11-092026-11-05Fernandez Amy M.S1,231Not reported
2026-11-092026-11-09Zambanini Adam DanteS500Not reported
2026-10-052026-10-01ROSE B ANDREWA589Not reported
2026-10-052026-10-01Keffer David ChristianA147Not reported
2026-08-292026-08-24Taylor Brian J.A9,520Not reported

90-day public availability window, up to 50 records.

Recent institutional filing receipts

Inspect all 50 displayed rows: Recent institutional filing receipts

These are raw ticker-matched positions in recent 13F receipts, including amendments. They are not deduplicated current ownership totals. Open the manager profile to inspect its effective filing book.

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B. Riley Wealth Advisors, Inc.2025-03-312026-08-294,408$256,106None
Deeter Investments LLP2025-12-312026-08-2910,000$350,800None
Advisors Asset Management, Inc.2021-12-312026-08-287,948$1,073,218None
Advisors Asset Management, Inc.2022-12-312026-08-282,614$110,651None
Advisors Asset Management, Inc.2020-06-302026-08-281,029$133,842None
Advisors Asset Management, Inc.2022-06-302026-08-286,086$331,000None
Advisors Asset Management, Inc.2021-09-302026-08-2821,692$2,211,000None
Corient Private Wealth LP2026-06-302026-08-2875,998$3,802,944None
Corient Private Wealth LP2026-06-302026-08-2811,746$587,770None
Principia Wealth Advisory, LLC2026-06-302026-08-2732$1,601None
Principia Wealth Advisory, LLC2026-03-312026-08-2732$1,165None
Advisors Asset Management, Inc.2022-09-302026-08-274,189$184,000None
Advisors Asset Management, Inc.2020-12-312026-08-2717,440$1,460,000None
Advisors Asset Management, Inc.2022-03-312026-08-277,290$476,256None
Advisors Asset Management, Inc.2023-03-312026-08-271,193$58,063None
Advisors Asset Management, Inc.2021-03-312026-08-2718,202$1,666,211None
Advisors Asset Management, Inc.2021-06-302026-08-2720,431$2,088,000None
Advisors Asset Management, Inc.2020-09-302026-08-2712,372$885,835None
VIRGINIA RETIREMENT SYSTEMS ET Al2026-06-302026-08-266,900$345,276None
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2026-06-302026-08-25119,681$5,988,837None
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2026-06-302026-08-255,988,837$119,681,000None
Advisors Asset Management, Inc.2020-03-312026-08-22250$20,035None
MERCER GLOBAL ADVISORS INC /ADV2026-06-302026-08-2091,692$4,588,267None
Advisors Asset Management, Inc.2019-03-312026-08-19282$17,349None
Advisors Asset Management, Inc.2019-09-302026-08-19272$24,733None
Advisors Asset Management, Inc.2019-06-302026-08-19279$20,004None
Ensign Peak Advisors, Inc2026-03-312026-08-19133,716$4,869,937None
Ensign Peak Advisors, Inc2025-12-312026-08-1961,992$2,174,679None
Ensign Peak Advisors, Inc2025-09-302026-08-1975,898$3,921,650None
Fulcrum Asset Management LLP2026-06-302026-08-19133$6,609None
Corient Private Wealth LP2026-06-302026-08-1854,939$2,749,148None
Hill City Capital, LP2026-06-302026-08-18550,000$27,522,000None
Empowered Funds, LLC2026-06-302026-08-184,674$233,887None
Empowered Funds, LLC2026-06-302026-08-184,229$211,619None
Transamerica Financial Advisors, LLC2026-06-302026-08-18117$5,854None
Proficio Capital Partners LLC2026-06-302026-08-185,987$299,589None
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO2026-06-302026-08-1863,470$3,176,039None
EFG International AG2026-06-302026-08-1549,443$2,471,010None
EFG International AG2026-06-302026-08-153,011$150,654None
EFG International AG2026-06-302026-08-1522,486$1,126,545None
EFG International AG2026-06-302026-08-15869$43,507None
EFG International AG2026-06-302026-08-1549,676$2,485,787None
EFG International AG2026-06-302026-08-1518,341$919,815None
DARK FOREST CAPITAL MANAGEMENT LP2026-06-302026-08-1512,737$637,359None
AMERIFLEX GROUP, INC.2026-06-302026-08-15100$5,004None
Synergy Investment Management, LLC2026-06-302026-08-1532$1,601None
CAXTON ASSOCIATES LLP2026-06-302026-08-158,015$401,071None
SEI INVESTMENTS CO2026-06-302026-08-15529,758$26,509,090None
SEI INVESTMENTS CO2026-06-302026-08-1512,597$630,030None
Aster Capital Management (DIFC) Ltd2026-06-302026-08-153,760$188,150None

90-day public filing window, up to 50 source positions.

B. Riley Wealth Advisors, Inc. ↗Deeter Investments LLP ↗Advisors Asset Management, Inc. ↗Advisors Asset Management, Inc. ↗Advisors Asset Management, Inc. ↗Advisors Asset Management, Inc. ↗Advisors Asset Management, Inc. ↗Corient Private Wealth LP ↗Corient Private Wealth LP ↗Principia Wealth Advisory, LLC ↗

Recent Congressional disclosures

No matching Congressional transactions were returned in this source preview.

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No records are available for this view.

Bounded public source preview, up to 25 disclosed events.

How to read the disclosure dates

The tables report different things: insider transactions, institutional positions and Congressional transaction ranges. Read each table with its source dates and units. They cannot be added into a combined ownership percentage.

  1. Company insiders

    SEC Form 4 purchases, sales and awards report transactions and their public filing availability.

  2. Institutional managers

    13F reports disclose delayed quarter-end positions. They are not a record of trades between quarters.

  3. Congressional filers

    Periodic transaction reports disclose transaction dates and amount brackets. Public filing dates determine what researchers could know.

Institutional source directory ↗Congressional source directory ↗

Read the transaction codes

Awards use transaction code A, purchases P and sales S. An acquisition from an award is not the same as an open-market purchase. Joint filers may share a transaction. Use original receipts and availability dates to interpret the events.