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FAIRBANKS BRYAN HORIX

Disclosed activity across 1 company

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63555
SEC CIK
0001650692

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
TREX CO INCTREX · Entity 3990President and CEOMarch 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-derivativeDirect167,044 Ending reported balance After 2026-03-01 transaction · row 3
3 source rows · reconciled sequence

Row 1 · 2026-03-01 · Grant · Acquired 9,609 · Balance 195,849

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 5,678 · Balance 190,171

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 23,127 · Balance 167,044

F3: 23,127 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: 23,127 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 23:26 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 23,127 $41.42 $957,920.34
Disclosure

SEC source: 0001069878-26-000030 · form4.xml · nonDerivative · entry 3

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 167,044

F3 · kind: 23,127 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 23:26 UTC TREX CO INC TREX · Entity 3990 OtherCommon Stock 5,678 $41.42 $235,182.76
Disclosure

SEC source: 0001069878-26-000030 · form4.xml · nonDerivative · entry 2

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 190,171

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 23:26 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 9,609 $41.42 $398,004.78
Disclosure

SEC source: 0001069878-26-000030 · form4.xml · nonDerivative · entry 1

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 195,849

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
March 01, 2025 Filed Mar 4, 2025 18:55 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 18,932 $61.69 $1,167,915.08
Disclosure

SEC source: 0001127602-25-007709 · form4.xml · nonDerivative · entry 3

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 186,240

F3 · kind: 18,932 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 18:55 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 10,064 $61.69 $620,848.16
Disclosure

SEC source: 0001127602-25-007709 · form4.xml · nonDerivative · entry 2

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 205,172

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 18:55 UTC TREX CO INC TREX · Entity 3990 OtherCommon Stock 5,080 $61.69 $313,385.20
Disclosure

SEC source: 0001127602-25-007709 · form4.xml · nonDerivative · entry 1

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 195,108

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 02:33 UTC TREX CO INC TREX · Entity 3990 GrantStock Appreciation Right · Derivative 20,213 $67.33 Strike: $67.33 $1,360,941.29
Disclosure

SEC source: 0001127602-25-005332 · form4.xml · derivative · entry 3

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,536

Underlying: Common Stock · 20,213 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 02:33 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 33,514 $67.33 $2,256,497.62
Disclosure

SEC source: 0001127602-25-005332 · form4.xml · nonDerivative · entry 2

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 200,188

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 02:33 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 23,460 $67.33 $1,579,561.80
Disclosure

SEC source: 0001127602-25-005332 · form4.xml · nonDerivative · entry 1

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 166,674

F1 · kind: This restricted stock unit 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
November 26, 2024 Filed Nov 27, 2024 18:07 UTC TREX CO INC TREX · Entity 3990 GiftCommon Stock 330 $0.00 $0.00
Disclosure

SEC source: 0001127602-24-028160 · form4.xml · nonDerivative · entry 1

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 143,214

F1 · kind: The shares reported in this transaction represent a gift to a charitable organization.

Read SEC document
March 04, 2024 Filed Mar 4, 2024 20:11 UTC TREX CO INC TREX · Entity 3990 SaleCommon Stock 6,164 $95.95 $591,412.99
Disclosure

SEC source: 0001127602-24-008069 · form4.xml · nonDerivative · entry 4

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 143,544

F4 · price: The price reported in this box 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $95.90 to $96.045, inclusive.

Read SEC document
March 01, 2024 Filed Mar 4, 2024 20:11 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 13,307 $94.61 $1,258,975.27
Disclosure

SEC source: 0001127602-24-008069 · form4.xml · nonDerivative · entry 3

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 149,708

F3 · kind: 13,307 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 20:11 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 9,610 $94.61 $909,202.10
Disclosure

SEC source: 0001127602-24-008069 · form4.xml · nonDerivative · entry 2

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 163,015

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 20:11 UTC TREX CO INC TREX · Entity 3990 OtherCommon Stock 5,081 $94.61 $480,713.41
Disclosure

SEC source: 0001127602-24-008069 · form4.xml · nonDerivative · entry 1

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 153,405

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 14:20 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 937 $90.93 $85,201.41
Disclosure

SEC source: 0001127602-24-006436 · form4.xml · nonDerivative · entry 2

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 158,486

F2 · kind: 937 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 14:20 UTC TREX CO INC TREX · Entity 3990 OtherCommon Stock 363 $90.93 $33,007.59
Disclosure

SEC source: 0001127602-24-006436 · form4.xml · nonDerivative · entry 1

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 159,423

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 15:14 UTC TREX CO INC TREX · Entity 3990 GrantStock Appreciation Right · Derivative 12,895 $90.86 Strike: $90.86 $1,171,639.70
Disclosure

SEC source: 0001127602-24-005542 · form4.xml · derivative · entry 4

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,323

Underlying: Common Stock · 12,895 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 15:14 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 21,208 $90.86 $1,926,958.88
Disclosure

SEC source: 0001127602-24-005542 · form4.xml · nonDerivative · entry 3

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 159,786

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 15:14 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 14,846 $90.86 $1,348,907.56
Disclosure

SEC source: 0001127602-24-005542 · form4.xml · nonDerivative · entry 2

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 138,578

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 15:14 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 811 $90.86 $73,687.46
Disclosure

SEC source: 0001127602-24-005542 · form4.xml · nonDerivative · entry 1

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 123,732

F1 · kind: 811 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
November 03, 2023 Filed Nov 7, 2023 17:59 UTC TREX CO INC TREX · Entity 3990 GiftCommon Stock 350 $0.00 $0.00
Disclosure

SEC source: 0001127602-23-026915 · form4.xml · nonDerivative · entry 1

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 124,543

Read SEC document
March 01, 2023 Filed Mar 3, 2023 15:24 UTC TREX CO INC TREX · Entity 3990 OtherCommon Stock 5,081 $50.40 $256,082.40
Disclosure

SEC source: 0001127602-23-008546 · form4.xml · nonDerivative · entry 2

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,893

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 15:24 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 1,605 $50.40 $80,892.00
Disclosure

SEC source: 0001127602-23-008546 · form4.xml · nonDerivative · entry 1

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,974

F1 · kind: 1,605 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 15:41 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 632 $53.79 $33,995.28
Disclosure

SEC source: 0001127602-23-006132 · form4.xml · nonDerivative · entry 2

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 131,579

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 15:41 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 771 $53.79 $41,472.09
Disclosure

SEC source: 0001127602-23-006132 · form4.xml · nonDerivative · entry 1

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,211

F1 · kind: 771 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 15:40 UTC TREX CO INC TREX · Entity 3990 GrantStock Appreciation Right · Derivative 18,067 $56.80 Strike: $56.80 $1,026,205.60
Disclosure

SEC source: 0001127602-23-005458 · form4.xml · derivative · entry 5

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,067

Underlying: Common Stock · 18,067 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 15:40 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 3,041 $56.80 $172,728.80
Disclosure

SEC source: 0001127602-23-005458 · form4.xml · nonDerivative · entry 4

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,982

F4 · kind: 3,041 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 15:40 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 2,151 $56.80 $122,176.80
Disclosure

SEC source: 0001127602-23-005458 · form4.xml · nonDerivative · entry 3

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 136,023

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 15:40 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 28,829 $56.80 $1,637,487.20
Disclosure

SEC source: 0001127602-23-005458 · form4.xml · nonDerivative · entry 2

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,872

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 15:40 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 20,180 $56.80 $1,146,224.00
Disclosure

SEC source: 0001127602-23-005458 · form4.xml · nonDerivative · entry 1

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 105,043

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
February 23, 2022 Filed Feb 25, 2022 13:07 UTC TREX CO INC TREX · Entity 3990 GrantStock Appreciation Right · Derivative 11,062 $82.01 Strike: $82.01 $907,194.62
Disclosure

SEC source: 0001127602-22-006733 · form4.xml · derivative · entry 5

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,062

Underlying: Common Stock · 11,062 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 13:07 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 5,720 $82.01 $469,097.20
Disclosure

SEC source: 0001127602-22-006733 · form4.xml · nonDerivative · entry 4

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 84,863

F5 · kind: 5,720 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 23, 2022 Filed Feb 25, 2022 13:07 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 5,747 $82.01 $471,311.47
Disclosure

SEC source: 0001127602-22-006733 · form4.xml · nonDerivative · entry 3

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 90,583

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 13:07 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 15,242 $82.01 $1,249,996.42
Disclosure

SEC source: 0001127602-22-006733 · form4.xml · nonDerivative · entry 2

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 84,836

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 13:07 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 10,669 $82.01 $874,964.69
Disclosure

SEC source: 0001127602-22-006733 · form4.xml · nonDerivative · entry 1

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,594

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 14:55 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 632 $85.42 $53,985.44
Disclosure

SEC source: 0001127602-22-005857 · form4.xml · nonDerivative · entry 2

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,925

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, 2022 Filed Feb 22, 2022 14:55 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 771 $89.17 $68,750.07
Disclosure

SEC source: 0001127602-22-005857 · form4.xml · nonDerivative · entry 1

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,557

F1 · kind: 771 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 13, 2022 Filed Feb 15, 2022 15:36 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 824 $85.29 $70,278.96
Disclosure

SEC source: 0001127602-22-004947 · form4.xml · nonDerivative · entry 1

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,328

F1 · kind: 824 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 14:56 UTC TREX CO INC TREX · Entity 3990 SaleCommon Stock 3,508 $127.89 $448,638.12
Disclosure

SEC source: 0001127602-21-028891 · form4.xml · nonDerivative · entry 4

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,152

Read SEC document
November 10, 2021 Filed Nov 12, 2021 14:56 UTC TREX CO INC TREX · Entity 3990 Exercise / conversionStock Appreciation Right · Derivative 7,412 $0.00 Strike: $17.52 $0.00
Disclosure

SEC source: 0001127602-21-028891 · form4.xml · derivative · entry 5

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,412 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 14:56 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 2,883 $127.26 $366,890.58
Disclosure

SEC source: 0001127602-21-028891 · form4.xml · nonDerivative · entry 3

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,660

Read SEC document
November 10, 2021 Filed Nov 12, 2021 14:56 UTC TREX CO INC TREX · Entity 3990 Disposition to issuerCommon Stock 1,021 $127.26 $129,932.46
Disclosure

SEC source: 0001127602-21-028891 · form4.xml · nonDerivative · entry 2

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,543

Read SEC document
November 10, 2021 Filed Nov 12, 2021 14:56 UTC TREX CO INC TREX · Entity 3990 Exercise / conversionCommon Stock 7,412 $17.52 $129,858.24
Disclosure

SEC source: 0001127602-21-028891 · form4.xml · nonDerivative · entry 1

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,564

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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November 02, 2021 Filed Nov 3, 2021 18:06 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 8,497 $110.27 $936,964.19
Disclosure

SEC source: 0001127602-21-028241 · form4.xml · nonDerivative · entry 1

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,152

F1 · kind: 8,497 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.

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May 12, 2021 Filed May 13, 2021 14:21 UTC TREX CO INC TREX · Entity 3990 SaleCommon Stock 200 $103.83 $20,766.00
Disclosure

SEC source: 0001127602-21-016464 · form4.xml · nonDerivative · entry 5

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,649

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on November 4, 2020.

F6 · balance_after: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.7400 to $103.9200, inclusive.

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May 12, 2021 Filed May 13, 2021 14:21 UTC TREX CO INC TREX · Entity 3990 SaleCommon Stock 1,500 $102.58 $153,870.00
Disclosure

SEC source: 0001127602-21-016464 · form4.xml · nonDerivative · entry 4

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,849

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on November 4, 2020.

F5 · balance_after: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.3100 to $102.9900, inclusive.

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May 12, 2021 Filed May 13, 2021 14:21 UTC TREX CO INC TREX · Entity 3990 SaleCommon Stock 1,400 $101.79 $142,506.00
Disclosure

SEC source: 0001127602-21-016464 · form4.xml · nonDerivative · entry 3

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,349

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on November 4, 2020.

F4 · balance_after: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $101.3100 to $102.2900, inclusive.

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May 12, 2021 Filed May 13, 2021 14:21 UTC TREX CO INC TREX · Entity 3990 SaleCommon Stock 600 $100.88 $60,528.00
Disclosure

SEC source: 0001127602-21-016464 · form4.xml · nonDerivative · entry 2

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,749

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on November 4, 2020.

F3 · balance_after: The price reported in column 4 is a weighted average price. These shares ere sold in multiple transactions at prices ranging from $100.2300 to $101.2000, inclusive.

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May 12, 2021 Filed May 13, 2021 14:21 UTC TREX CO INC TREX · Entity 3990 SaleCommon Stock 1,202 $99.38 $119,454.76
Disclosure

SEC source: 0001127602-21-016464 · form4.xml · nonDerivative · entry 1

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,349

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on November 4, 2020.

F2 · balance_after: The price reported in column 4 is a weighted average price These shares were sold in multiple transactions at prices ranging from $99.0800 to $99.9500, inclusive.

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February 24, 2021 Filed Feb 26, 2021 19:04 UTC TREX CO INC TREX · Entity 3990 SaleCommon Stock 100 $93.12 $9,312.00
Disclosure

SEC source: 0001127602-21-008030 · form4.xml · nonDerivative · entry 4

FAIRBANKS BRYAN HORIX · CIK 0001650692 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,551

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on November 4, 2020.

F5 · balance_after: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $93.12 to $94.12, inclusive.

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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.