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Zambanini Adam Dante

Disclosed activity across 1 company

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63554
SEC CIK
0001512909

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
TREX CO INCTREX · Entity 3990EVP, Chief Operating OfficerMarch 01, 2026March 03, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

TREX CO INC

Report date March 01, 2026 · Filed March 03, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect234,514 Ending reported balance After 2026-03-01 transaction · row 3
3 source rows · reconciled sequence

Row 1 · 2026-03-01 · Grant · Acquired 3,623 · Balance 244,713

F1: Represents net share difference between target performance-based shares and actual vested shares, based upon actual performance of the Company.

Row 2 · 2026-03-01 · Other · Disposed 1,928 · Balance 242,785

F2: Represents the target number of performance-based restricted units which did not vest due to the performance condition not being satisfied.

Row 3 · 2026-03-01 · Tax withholding · Disposed 8,271 · Balance 234,514

F3: 8,271 shares are being surrendered as allowed by the Company's 2023 Stock Incentive Plan to cover payment of taxes currently due on previously granted restricted stock units.

Filing footnotes · ownership attribution and instrument terms

F1: Represents net share difference between target performance-based shares and actual vested shares, based upon actual performance of the Company.

F2: Represents the target number of performance-based restricted units which did not vest due to the performance condition not being satisfied.

F3: 8,271 shares are being surrendered as allowed by the Company's 2023 Stock Incentive Plan to cover payment of taxes currently due on previously granted restricted stock units.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
March 01, 2026 Filed Mar 3, 2026 22:56 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 8,271 $41.42 $342,584.82
Disclosure

SEC source: 0001069878-26-000026 · form4.xml · nonDerivative · entry 3

Zambanini Adam Dante · CIK 0001512909 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 234,514

F3 · kind: 8,271 shares are being surrendered as allowed by the Company's 2023 Stock Incentive Plan to cover payment of taxes currently due on previously granted restricted stock units.

Read SEC document
March 01, 2026 Filed Mar 3, 2026 22:56 UTC TREX CO INC TREX · Entity 3990 OtherCommon Stock 1,928 $41.42 $79,857.76
Disclosure

SEC source: 0001069878-26-000026 · form4.xml · nonDerivative · entry 2

Zambanini Adam Dante · CIK 0001512909 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 242,785

F2 · kind: Represents the target number of performance-based restricted units which did not vest due to the performance condition not being satisfied.

Read SEC document
March 01, 2026 Filed Mar 3, 2026 22:56 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 3,623 $41.42 $150,064.66
Disclosure

SEC source: 0001069878-26-000026 · form4.xml · nonDerivative · entry 1

Zambanini Adam Dante · CIK 0001512909 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 244,713

F1 · kind: Represents net share difference between target performance-based shares and actual vested shares, based upon actual performance of the Company.

Read SEC document
February 24, 2026 Filed Feb 26, 2026 01:39 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 18,914 $41.45 $783,985.30
Disclosure

SEC source: 0001069878-26-000016 · form4.xml · nonDerivative · entry 2

Zambanini Adam Dante · CIK 0001512909 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 241,090

F2 · kind: This restricted stock unit award is performance-based, and vests over a three-year period in three equal installments occurring March 1, 2027, March 1, 2028 and March 1, 2029. The number of shares set forth above is the target number of shares. The number of shares that will actually vest each year will be based upon performance against certain financial goals for the Company and will range from 0% to 200% of the target number of shares.

Read SEC document
February 24, 2026 Filed Feb 26, 2026 01:39 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 18,914 $41.45 $783,985.30
Disclosure

SEC source: 0001069878-26-000016 · form4.xml · nonDerivative · entry 1

Zambanini Adam Dante · CIK 0001512909 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 222,176

F1 · kind: This restricted stock unit award vests over a three-year period in three equal annual installments occurring March 1, 2027, March 1, 2028 and March 1, 2029.

Read SEC document
March 01, 2025 Filed Mar 4, 2025 19:13 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 6,993 $61.69 $431,398.17
Disclosure

SEC source: 0001127602-25-007716 · form4.xml · nonDerivative · entry 3

Zambanini Adam Dante · CIK 0001512909 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 203,262

F3 · kind: 6993 shares are being surrendered as allowed by the Company's 2023 Stock Incentive Plan to cover payment of taxes currently due on previously granted restricted stock units.

Read SEC document
March 01, 2025 Filed Mar 4, 2025 19:13 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 3,789 $61.69 $233,743.41
Disclosure

SEC source: 0001127602-25-007716 · form4.xml · nonDerivative · entry 2

Zambanini Adam Dante · CIK 0001512909 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 210,255

F2 · kind: Represents net share difference between target performance-based shares and actual vested shares, based upon actual performance of the Company.

Read SEC document
March 01, 2025 Filed Mar 4, 2025 19:13 UTC TREX CO INC TREX · Entity 3990 OtherCommon Stock 1,680 $61.69 $103,639.20
Disclosure

SEC source: 0001127602-25-007716 · form4.xml · nonDerivative · entry 1

Zambanini Adam Dante · CIK 0001512909 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 206,446

F1 · kind: Represents the target number of performance-based restricted units which did not vest due to the performance condition not being satisfied.

Read SEC document
February 17, 2025 Filed Feb 19, 2025 02:57 UTC TREX CO INC TREX · Entity 3990 GrantStock Appreciation Right · Derivative 6,499 $67.33 Strike: $67.33 $437,577.67
Disclosure

SEC source: 0001127602-25-005334 · form4.xml · derivative · entry 3

Zambanini Adam Dante · CIK 0001512909 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,041

Underlying: Common Stock · 6,499 shares

Expires 2035-02-17

F3 · kind: The stock appreciation right becomes exercisable in three equal installments occurring March 1, 2026, March 1, 2027 and March 1, 2028.

Read SEC document
February 17, 2025 Filed Feb 19, 2025 02:57 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 10,775 $67.33 $725,480.75
Disclosure

SEC source: 0001127602-25-005334 · form4.xml · nonDerivative · entry 2

Zambanini Adam Dante · CIK 0001512909 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 208,146

F2 · kind: This restricted stock unit award is performance-based, and vests over a three-year period in three equal installments occurring March 1, 2026, March 1, 2027 and March 1, 2028. The number of shares set forth above is the target number of shares. The number of shares that will actually vest each year will be based upon performance against certain financial goals for the Company, and will range from 0% to 200% of the target number of shares.

Read SEC document
February 17, 2025 Filed Feb 19, 2025 02:57 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 7,543 $67.33 $507,870.19
Disclosure

SEC source: 0001127602-25-005334 · form4.xml · nonDerivative · entry 1

Zambanini Adam Dante · CIK 0001512909 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 197,371

F1 · kind: This restricted stock unit award vests over a three-year period in three equal annual installments occurring March 1, 2026, March 1, 2027 and March 1, 2028.

Read SEC document
March 01, 2024 Filed Mar 4, 2024 20:04 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 4,945 $94.61 $467,846.45
Disclosure

SEC source: 0001127602-24-008064 · form4.xml · nonDerivative · entry 3

Zambanini Adam Dante · CIK 0001512909 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 189,828

F3 · kind: 4,945 shares are being surrendered as allowed by the Company's 2023 Stock Incentive Plan to cover payment of taxes currently due on previously granted restricted stock units.

Read SEC document
March 01, 2024 Filed Mar 4, 2024 20:04 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 3,624 $94.61 $342,866.64
Disclosure

SEC source: 0001127602-24-008064 · form4.xml · nonDerivative · entry 2

Zambanini Adam Dante · CIK 0001512909 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 194,773

F2 · kind: Represents net share difference between target performance-based shares and actual vested shares, based upon actual performance of the Company.

Read SEC document
March 01, 2024 Filed Mar 4, 2024 20:04 UTC TREX CO INC TREX · Entity 3990 OtherCommon Stock 1,681 $94.61 $159,039.41
Disclosure

SEC source: 0001127602-24-008064 · form4.xml · nonDerivative · entry 1

Zambanini Adam Dante · CIK 0001512909 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 191,149

F1 · kind: Represents the target number of performance-based restricted units which did not vest due to the performance condition not being satisfied

Read SEC document
February 21, 2024 Filed Feb 23, 2024 14:09 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 425 $90.93 $38,645.25
Disclosure

SEC source: 0001127602-24-006434 · form4.xml · nonDerivative · entry 2

Zambanini Adam Dante · CIK 0001512909 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 192,830

F2 · kind: 425 shares are being surrendered as allowed by the Company's 2023 Stock Incentive Plan to cover payment of taxes currently due on previously granted restricted stock units.

Read SEC document
February 21, 2024 Filed Feb 23, 2024 14:09 UTC TREX CO INC TREX · Entity 3990 OtherCommon Stock 156 $90.93 $14,185.08
Disclosure

SEC source: 0001127602-24-006434 · form4.xml · nonDerivative · entry 1

Zambanini Adam Dante · CIK 0001512909 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 193,255

F1 · kind: Represents the target number of performance-based restricted units which did not vest due to the performance condition not being satisfied.

Read SEC document
February 19, 2024 Filed Feb 20, 2024 15:34 UTC TREX CO INC TREX · Entity 3990 GrantStock Appreciation Right · Derivative 4,694 $90.86 Strike: $90.86 $426,496.84
Disclosure

SEC source: 0001127602-24-005549 · form4.xml · derivative · entry 4

Zambanini Adam Dante · CIK 0001512909 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,542

Underlying: Common Stock · 4,694 shares

Expires 2034-02-19

F4 · derivative.exercise_date: The stock appreciation right becomes exercisable in three equal installments occurring March 1, 2025, March 1, 2026 and March 1, 2027.

Read SEC document
February 19, 2024 Filed Feb 20, 2024 15:34 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 7,721 $90.86 $701,530.06
Disclosure

SEC source: 0001127602-24-005549 · form4.xml · nonDerivative · entry 3

Zambanini Adam Dante · CIK 0001512909 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 193,411

F3 · kind: This restricted stock unit award is performance-based, and vests over a three-year period in three equal installments occurring March 1, 2025, March 1, 2026 and March 1, 2027. The number of shares set forth above is the target number of shares. The number of shares that will actually vest each year will be based upon performance against certain financial goals for the Company, and will range from 0% to 200% of the target number of shares.

Read SEC document
February 19, 2024 Filed Feb 20, 2024 15:34 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 5,404 $90.86 $491,007.44
Disclosure

SEC source: 0001127602-24-005549 · form4.xml · nonDerivative · entry 2

Zambanini Adam Dante · CIK 0001512909 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 185,690

F2 · kind: This restricted stock unit vests over a three-year period in three equal annual installments occurring March 1, 2025, March 1, 2026 and March 1, 2027.

Read SEC document
February 17, 2024 Filed Feb 20, 2024 15:34 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 371 $90.86 $33,709.06
Disclosure

SEC source: 0001127602-24-005549 · form4.xml · nonDerivative · entry 1

Zambanini Adam Dante · CIK 0001512909 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 180,286

F1 · kind: 371 shares are being surrendered as allowed by the Company's 2023 Stock Incentive Plan to cover payment of taxes currently due on previously granted restricted stock units.

Read SEC document
March 01, 2023 Filed Mar 3, 2023 15:33 UTC TREX CO INC TREX · Entity 3990 OtherCommon Stock 1,681 $50.40 $84,722.40
Disclosure

SEC source: 0001127602-23-008555 · form4.xml · nonDerivative · entry 2

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 180,657

F2 · kind: Represents the target number of performance-based restricted units which did not vest due to the performance condition not being satisfied.

Read SEC document
March 01, 2023 Filed Mar 3, 2023 15:33 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 531 $50.40 $26,762.40
Disclosure

SEC source: 0001127602-23-008555 · form4.xml · nonDerivative · entry 1

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 182,338

F1 · kind: 531 shares are being surrendered as allowed by the Company's 2014 Stock Incentive Plan to cover payment of taxes currently due on previously granted restricted stock units.

Read SEC document
February 19, 2023 Filed Feb 21, 2023 15:45 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 632 $53.79 $33,995.28
Disclosure

SEC source: 0001127602-23-006139 · form4.xml · nonDerivative · entry 2

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 182,869

F2 · kind: 632 shares are being surrendered as allowed by the Company's 2014 Stock Incentive Plan to cover payment of taxes currently due on previously granted restricted stock units.

Read SEC document
February 17, 2023 Filed Feb 21, 2023 15:45 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 332 $53.79 $17,858.28
Disclosure

SEC source: 0001127602-23-006139 · form4.xml · nonDerivative · entry 1

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 183,501

F1 · kind: 332 shares are being surrendered as allowed by the Company's 2014 Stock Incentive Plan to cover payment of taxes currently due on previously granted restricted stock units.

Read SEC document
February 14, 2023 Filed Feb 16, 2023 15:50 UTC TREX CO INC TREX · Entity 3990 GrantStock Appreciation Right · Derivative 6,813 $56.80 Strike: $56.80 $386,978.40
Disclosure

SEC source: 0001127602-23-005466 · form4.xml · derivative · entry 5

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,813

Underlying: Common Stock · 6,813 shares

Expires 2033-02-14

F5 · kind: The stock appreciation right becomes exercisable in three equal installments occurring March 1,2024, March 1, 2025 and March 1, 2026.

Read SEC document
February 14, 2023 Filed Feb 16, 2023 15:50 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 2,327 $56.80 $132,173.60
Disclosure

SEC source: 0001127602-23-005466 · form4.xml · nonDerivative · entry 4

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 183,833

F4 · kind: 2,327 shares are being surrendered as allowed by the Company's 2014 Stock Incentive Plan to cover payment of taxes currently due on previously granted restricted stock units.

Read SEC document
February 14, 2023 Filed Feb 16, 2023 15:50 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 1,895 $56.80 $107,636.00
Disclosure

SEC source: 0001127602-23-005466 · form4.xml · nonDerivative · entry 3

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 186,160

F3 · kind: Represents net share difference between target performance-based shares and actual vested shares, based upon actual performance for the Company.

Read SEC document
February 14, 2023 Filed Feb 16, 2023 15:50 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 10,871 $56.80 $617,472.80
Disclosure

SEC source: 0001127602-23-005466 · form4.xml · nonDerivative · entry 2

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 184,265

F2 · kind: This restricted stock unit award is performance-based, and vests over a three-year period in three equal installments occurring March 1,2024, March 1, 2025 and March 1, 2026. The number of shares set forth above is the target number of shares. The number of shares that will actually vest each year will be based upon performance against certain financial goals for the Company, and will range from 0% to 200% of the target number of shares.

Read SEC document
February 14, 2023 Filed Feb 16, 2023 15:50 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 7,610 $56.80 $432,248.00
Disclosure

SEC source: 0001127602-23-005466 · form4.xml · nonDerivative · entry 1

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 173,394

F1 · kind: This restricted stock unit vests over a three-year period in three equal annual installments occurring March 1,2024, March 1, 2025 and March 1, 2026

Read SEC document
November 02, 2022 Filed Nov 4, 2022 17:30 UTC TREX CO INC TREX · Entity 3990 Disposition to issuerCommon Stock 7,503 $40.39 $303,046.17
Disclosure

SEC source: 0001127602-22-024950 · form4.xml · nonDerivative · entry 1

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 165,784

F1 · kind: 7,503 shares are being surrendered as allowed by the Company's 2014 Stock Incentive Plan to cover payment of taxes currently due on previously granted restricted stock units.

Read SEC document
February 23, 2022 Filed Feb 25, 2022 13:01 UTC TREX CO INC TREX · Entity 3990 GrantStock Appreciation Right · Derivative 3,659 $82.01 Strike: $82.01 $300,074.59
Disclosure

SEC source: 0001127602-22-006729 · form4.xml · derivative · entry 5

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,659

Underlying: Common Stock · 3,659 shares

Expires 2032-02-23

F3 · kind: The stock appreciation right becomes exercisable in three equal installments occurring March 1,2023, March 1, 2024 and March 1, 2025.

Read SEC document
February 23, 2022 Filed Feb 25, 2022 13:01 UTC TREX CO INC TREX · Entity 3990 Disposition to issuerCommon Stock 4,466 $82.01 $366,256.66
Disclosure

SEC source: 0001127602-22-006729 · form4.xml · nonDerivative · entry 4

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 173,287

F5 · kind: 4,466 shares are being surrendered as allowed by the Company's 2014 Stock Incentive Plan to cover payment of taxes currently due on previously granted restricted stock units.

Read SEC document
February 23, 2022 Filed Feb 25, 2022 13:01 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 4,356 $82.01 $357,235.56
Disclosure

SEC source: 0001127602-22-006729 · form4.xml · nonDerivative · entry 3

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 177,753

F4 · kind: Represents net share difference between target performance-based shares and actual vested shares, based upon actual performance for the Company.

Read SEC document
February 23, 2022 Filed Feb 25, 2022 13:01 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 5,042 $82.01 $413,494.42
Disclosure

SEC source: 0001127602-22-006729 · form4.xml · nonDerivative · entry 2

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 173,397

F2 · kind: This restricted stock unit award is performance-based, and vests over a three-year period in three equal installments occurring March 1,2023, March 1, 2024 and March 1, 2025. The number of shares set forth above is the target number of shares. The number of shares that will actually vest each year will be based upon performance against certain financial goals for the Company, and will range from 0% to 200% of the target number of shares.

Read SEC document
February 23, 2022 Filed Feb 25, 2022 13:01 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 3,529 $82.01 $289,413.29
Disclosure

SEC source: 0001127602-22-006729 · form4.xml · nonDerivative · entry 1

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 168,355

F1 · kind: This restricted stock unit vests over a three-year period in three equal annual installments occurring March 1,2023, March 1, 2024 and March 1, 2025.

Read SEC document
February 19, 2022 Filed Feb 22, 2022 15:02 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 632 $85.42 $53,985.44
Disclosure

SEC source: 0001127602-22-005874 · form4.xml · nonDerivative · entry 2

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 164,826

F2 · kind: 632 shares are being surrendered as allowed by the Company's 2014 Stock Incentive Plan to cover payment of taxes currently due on previously granted restricted shares.

Read SEC document
February 17, 2022 Filed Feb 22, 2022 15:02 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 332 $89.17 $29,604.44
Disclosure

SEC source: 0001127602-22-005874 · form4.xml · nonDerivative · entry 1

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 165,458

F1 · kind: 332 shares are being surrendered as allowed by the Company's 2014 Stock Incentive Plan to cover payment of taxes currently due on previously granted restricted shares.

Read SEC document
February 13, 2022 Filed Feb 15, 2022 15:10 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 841 $85.29 $71,728.89
Disclosure

SEC source: 0001127602-22-004943 · form4.xml · nonDerivative · entry 1

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 165,790

F1 · kind: 841 shares are being surrendered as allowed by the Company's 2014 Stock Incentive Plan to cover payment of taxes currently due on previously granted restricted stock units.

Read SEC document
November 11, 2021 Filed Nov 12, 2021 14:52 UTC TREX CO INC TREX · Entity 3990 SaleCommon Stock 2,055 $127.89 $262,813.95
Disclosure

SEC source: 0001127602-21-028890 · form4.xml · nonDerivative · entry 4

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 166,631

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on May 17, 2021.

Read SEC document
November 10, 2021 Filed Nov 12, 2021 14:52 UTC TREX CO INC TREX · Entity 3990 Exercise / conversionStock Appreciation Right · Derivative 4,342 $0.00 Strike: $17.52 $0.00
Disclosure

SEC source: 0001127602-21-028890 · form4.xml · derivative · entry 5

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,342 shares

Expires 2027-02-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
November 10, 2021 Filed Nov 12, 2021 14:52 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 1,689 $127.26 $214,942.14
Disclosure

SEC source: 0001127602-21-028890 · form4.xml · nonDerivative · entry 3

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 168,686

F2 · kind: 1,689 shares are being surrendered as allowed by the Company's 2014 Stock Incentive Plan to cover the payment of taxes currently due on previously granted restricted shares.

Read SEC document
November 10, 2021 Filed Nov 12, 2021 14:52 UTC TREX CO INC TREX · Entity 3990 Disposition to issuerCommon Stock 598 $127.26 $76,101.48
Disclosure

SEC source: 0001127602-21-028890 · form4.xml · nonDerivative · entry 2

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 170,375

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November 10, 2021 Filed Nov 12, 2021 14:52 UTC TREX CO INC TREX · Entity 3990 Exercise / conversionCommon Stock 4,342 $17.52 $76,071.84
Disclosure

SEC source: 0001127602-21-028890 · form4.xml · nonDerivative · entry 1

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 170,973

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Stock Appreciation Rights (SARs) are being exercised pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 17, 2021.

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August 06, 2021 Filed Aug 6, 2021 18:54 UTC TREX CO INC TREX · Entity 3990 SaleCommon Stock 7,239 $104.77 $758,430.03
Disclosure

SEC source: 0001127602-21-023230 · form4.xml · nonDerivative · entry 4

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 166,631

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on May 17, 2021.

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August 05, 2021 Filed Aug 6, 2021 18:54 UTC TREX CO INC TREX · Entity 3990 Exercise / conversionStock Appreciation Right · Derivative 13,920 $0.00 Strike: $5.48 $0.00
Disclosure

SEC source: 0001127602-21-023230 · form4.xml · derivative · entry 5

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 13,920 shares

Expires 2023-02-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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August 05, 2021 Filed Aug 6, 2021 18:54 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 5,949 $104.24 $620,123.76
Disclosure

SEC source: 0001127602-21-023230 · form4.xml · nonDerivative · entry 3

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 173,870

F2 · kind: 5,949 shares are being surrendered as allowed by the Company's 2014 Stock Incentive Plan to cover the payment of taxes currently due on previously granted restricted shares.

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August 05, 2021 Filed Aug 6, 2021 18:54 UTC TREX CO INC TREX · Entity 3990 Disposition to issuerCommon Stock 732 $104.24 $76,303.68
Disclosure

SEC source: 0001127602-21-023230 · form4.xml · nonDerivative · entry 2

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 179,819

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August 05, 2021 Filed Aug 6, 2021 18:54 UTC TREX CO INC TREX · Entity 3990 Exercise / conversionCommon Stock 13,920 $5.48 $76,281.60
Disclosure

SEC source: 0001127602-21-023230 · form4.xml · nonDerivative · entry 1

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 180,551

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Stock Appreciation Rights (SARs) are being exercised pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 17, 2021.

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February 19, 2021 Filed Feb 23, 2021 18:03 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 632 $102.61 $64,849.52
Disclosure

SEC source: 0001127602-21-007215 · form4.xml · nonDerivative · entry 1

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 166,631

F1 · kind: 632 shares are being surrendered as allowed by the Company's 2014 Stock Incentive Plan to cover payment of taxes currently due on previously granted restricted stock units.

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February 17, 2021 Filed Feb 19, 2021 19:38 UTC TREX CO INC TREX · Entity 3990 GrantStock Appreciation Right · Derivative 1,906 $104.56 Strike: $104.56 $199,291.36
Disclosure

SEC source: 0001127602-21-006690 · form4.xml · derivative · entry 5

Zambanini Adam Dante · CIK 0001512909 · President, Trex Residential Pr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,906

Underlying: Common Stock · 1,906 shares

Expires 2031-02-17

F3 · kind: The stock appreciation right becomes exercisable in three equal installments beginning on the first anniversary of the grant date.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.