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person · Reporting owner

Cline James E

Disclosed activity across 2 companies

Tapewire entity
27840
SEC CIK
0001430183

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Latham Group, Inc.SWIM · Entity 5107DirectorMay 19, 2026May 20, 2026
TREX CO INCTREX · Entity 3990DirectorJuly 29, 2026July 30, 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.

Latham Group, Inc.

Report date May 19, 2026 · Filed May 20, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common stock, par value $0.0001 per shareSEC Table I · non-derivativeIndirectHeld by Cynthia L. Cline Revocable Trust100,000 Reported balance After 2026-05-19 transaction · row 1 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 1 · 2026-05-19 · Purchase · Acquired 50,000 · Balance 100,000

F1: Weighted average price. These shares were purchased in multiple transactions at prices ranging from $4.805 to $4.84 inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

Common stock, par value $0.0001 per shareSEC Table I · non-derivativeIndirectHeld by James E. Cline Revocable Trust455,883 Reported balance Holding disclosure · report date 2026-05-19 · row 2 Holding and transaction disclosures are not merged.
1 source row

Row 2 · Balance 455,883

Common stock, par value $0.0001 per shareSEC Table I · non-derivativeDirect211,978 Reported balance Holding disclosure · report date 2026-05-19 · row 3 Holding and transaction disclosures are not merged.
1 source row

Row 3 · Balance 211,978

Filing footnotes · ownership attribution and instrument terms

F1: Weighted average price. These shares were purchased in multiple transactions at prices ranging from $4.805 to $4.84 inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

TREX CO INC

Report date July 29, 2026 · Filed July 30, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect45,807 Reported balance After 2026-07-29 transaction · row 1
1 source row

Row 1 · 2026-07-29 · Grant · Acquired 2,831 · Balance 45,807

F1: This restricted stock unit award will vest on the first anniversary of the grant.

Filing footnotes · ownership attribution and instrument terms

F1: This restricted stock unit award will vest on the first anniversary of the grant.

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
April 28, 2020 Filed May 15, 2020 20:13 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 968 $96.66 $93,566.88
Disclosure

SEC source: 0001127602-20-016750 · form4.xml · nonDerivative · entry 1

Cline James E · CIK 0001430183 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,748

F1 · kind: 968 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 26, 2020 Filed Feb 27, 2020 22:05 UTC TREX CO INC TREX · Entity 3990 SaleCommon Stock 1,406 $104.04 $146,279.82
Disclosure

SEC source: 0001127602-20-008172 · form4.xml · nonDerivative · entry 5

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,816

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 August 11, 2019.

F6 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.305 to $104.22, inclusive.

Read SEC document
February 26, 2020 Filed Feb 27, 2020 22:05 UTC TREX CO INC TREX · Entity 3990 SaleCommon Stock 200 $102.73 $20,545.00
Disclosure

SEC source: 0001127602-20-008172 · form4.xml · nonDerivative · entry 4

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,222

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 August 11, 2019.

F5 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.25 to $103.20, inclusive.

Read SEC document
February 26, 2020 Filed Feb 27, 2020 22:05 UTC TREX CO INC TREX · Entity 3990 SaleCommon Stock 200 $101.23 $20,246.50
Disclosure

SEC source: 0001127602-20-008172 · form4.xml · nonDerivative · entry 3

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,422

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 August 11, 2019.

F4 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $101.19 to $101.275, inclusive.

Read SEC document
February 26, 2020 Filed Feb 27, 2020 22:05 UTC TREX CO INC TREX · Entity 3990 SaleCommon Stock 9,800 $100.64 $986,249.46
Disclosure

SEC source: 0001127602-20-008172 · form4.xml · nonDerivative · entry 2

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,622

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 August 11, 2019.

F3 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.115 to $100.91, inclusive.

Read SEC document
February 26, 2020 Filed Feb 27, 2020 22:05 UTC TREX CO INC TREX · Entity 3990 SaleCommon Stock 494 $99.13 $48,969.03
Disclosure

SEC source: 0001127602-20-008172 · form4.xml · nonDerivative · entry 1

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,422

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 August 11, 2019.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $98.50 to $99.39, inclusive.

Read SEC document
February 19, 2020 Filed Feb 24, 2020 14:01 UTC TREX CO INC TREX · Entity 3990 GrantStock Appreciation Right · Derivative 6,311 $101.66 Strike: $101.66 $641,576.26
Disclosure

SEC source: 0001127602-20-007094 · form4.xml · derivative · entry 5

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,311

Underlying: Common Stock · 6,311 shares

Expires 2030-02-19

F5 · kind: This stock appreciation right becomes exercisable in three equal installments beginning on the first anniversary of the grant date.

Read SEC document
February 19, 2020 Filed Feb 24, 2020 14:01 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 7,378 $101.66 $750,047.48
Disclosure

SEC source: 0001127602-20-007094 · form4.xml · nonDerivative · entry 4

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,916

F4 · kind: This restricted stock unit award is performance-based and vests over a three-year period in three equal installments beginning on the first anniversary of the grant date. 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, 2020 Filed Feb 24, 2020 14:01 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 5,164 $101.66 $524,972.24
Disclosure

SEC source: 0001127602-20-007094 · form4.xml · nonDerivative · entry 3

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,538

F3 · kind: This restricted stock unit vests over a three-year period in three equal annual installments beginning on the first anniversary of the grant date.

Read SEC document
February 19, 2020 Filed Feb 24, 2020 14:01 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 7,116 $101.66 $723,412.56
Disclosure

SEC source: 0001127602-20-007094 · form4.xml · nonDerivative · entry 2

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,374

F2 · kind: 7,116 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, 2020 Filed Feb 24, 2020 14:01 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 4,779 $101.66 $485,833.14
Disclosure

SEC source: 0001127602-20-007094 · form4.xml · nonDerivative · entry 1

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,490

F1 · 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 15, 2020 Filed Feb 18, 2020 21:53 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 1,509 $101.88 $153,736.92
Disclosure

SEC source: 0001127602-20-006103 · form4.xml · nonDerivative · entry 3

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,711

F3 · kind: 1,509 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, 2020 Filed Feb 18, 2020 21:53 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 968 $101.88 $98,619.84
Disclosure

SEC source: 0001127602-20-006103 · form4.xml · nonDerivative · entry 2

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,220

F2 · kind: 968 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, 2020 Filed Feb 18, 2020 21:53 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 964 $101.39 $97,739.96
Disclosure

SEC source: 0001127602-20-006103 · form4.xml · nonDerivative · entry 1

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,188

F1 · kind: 964 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
July 30, 2019 Filed Jul 31, 2019 19:56 UTC TREX CO INC TREX · Entity 3990 Exercise / conversionStock Appreciation Right · Derivative 20,512 $0.00 Strike: $20.59 $0.00
Disclosure

SEC source: 0001127602-19-025494 · form4.xml · derivative · entry 6

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 89,408

Underlying: Common Stock · 20,512 shares

Expires 2025-08-17

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
July 30, 2019 Filed Jul 31, 2019 19:56 UTC TREX CO INC TREX · Entity 3990 SaleCommon Stock 2,744 $81.89 $224,707.81
Disclosure

SEC source: 0001127602-19-025494 · form4.xml · nonDerivative · entry 5

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,152

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 August 1, 2018.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.6467 to $82.7625, inclusive.

Read SEC document
July 30, 2019 Filed Jul 31, 2019 19:56 UTC TREX CO INC TREX · Entity 3990 SaleCommon Stock 8,400 $82.52 $693,142.80
Disclosure

SEC source: 0001127602-19-025494 · form4.xml · nonDerivative · entry 4

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,896

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 August 1, 2018.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.6467 to $82.7625, inclusive.

Read SEC document
July 30, 2019 Filed Jul 31, 2019 19:56 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 6,900 $81.03 $559,107.00
Disclosure

SEC source: 0001127602-19-025494 · form4.xml · nonDerivative · entry 3

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 77,296

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

Read SEC document
July 30, 2019 Filed Jul 31, 2019 19:56 UTC TREX CO INC TREX · Entity 3990 Disposition to issuerCommon Stock 5,212 $81.03 $422,328.36
Disclosure

SEC source: 0001127602-19-025494 · form4.xml · nonDerivative · entry 2

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 84,196

Read SEC document
July 30, 2019 Filed Jul 31, 2019 19:56 UTC TREX CO INC TREX · Entity 3990 Exercise / conversionCommon Stock 20,512 $20.59 $422,239.52
Disclosure

SEC source: 0001127602-19-025494 · form4.xml · nonDerivative · entry 1

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 89,408

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 are being exercised pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on August 1, 2018.

Read SEC document
July 24, 2019 Filed Jul 27, 2019 00:58 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 1,403 $71.28 $100,005.84
Disclosure

SEC source: 0001127602-19-025289 · form4.xml · nonDerivative · entry 1

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 90,924

F1 · kind: This restricted award will vest on the first anniversary of the grant.

Read SEC document
July 24, 2019 Filed Jul 29, 2019 14:59 UTC Amendment TREX CO INC TREX · Entity 3990 GrantCommon Stock 0 $71.28 $0.00
Disclosure

SEC source: 0001127602-19-025307 · form4a.xml · nonDerivative · entry 1

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,896

Read SEC document
May 01, 2019 Filed May 2, 2019 13:36 UTC TREX CO INC TREX · Entity 3990 SaleCommon Stock 2,745 $68.74 $188,698.99
Disclosure

SEC source: 0001127602-19-016836 · form4.xml · nonDerivative · entry 8

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,896

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 August 1, 2018.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.50 to $69.09, inclusive.

Read SEC document
May 01, 2019 Filed May 2, 2019 13:36 UTC TREX CO INC TREX · Entity 3990 SaleCommon Stock 9,235 $68.22 $630,055.10
Disclosure

SEC source: 0001127602-19-016836 · form4.xml · nonDerivative · entry 7

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,641

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 August 1, 2018.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $68.1509 to $68.8804, inclusive.

Read SEC document
April 30, 2019 Filed May 2, 2019 13:36 UTC TREX CO INC TREX · Entity 3990 Exercise / conversionStock Appreciation Right · Derivative 11,424 $0.00 Strike: $20.59 $0.00
Disclosure

SEC source: 0001127602-19-016836 · form4.xml · derivative · entry 10

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 11,424 shares

Expires 2025-08-17

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 are being exercised pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on August 1, 2018.

Read SEC document
April 30, 2019 Filed May 2, 2019 13:36 UTC TREX CO INC TREX · Entity 3990 Exercise / conversionStock Appreciation Right · Derivative 10,256 $0.00 Strike: $20.59 $0.00
Disclosure

SEC source: 0001127602-19-016836 · form4.xml · derivative · entry 9

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,256 shares

Expires 2025-08-17

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 are being exercised pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on August 1, 2018.

Read SEC document
April 30, 2019 Filed May 2, 2019 13:36 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 4,336 $69.27 $300,354.72
Disclosure

SEC source: 0001127602-19-016836 · form4.xml · nonDerivative · entry 6

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,876

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

Read SEC document
April 30, 2019 Filed May 2, 2019 13:36 UTC TREX CO INC TREX · Entity 3990 Disposition to issuerCommon Stock 1,810 $69.27 $125,378.70
Disclosure

SEC source: 0001127602-19-016836 · form4.xml · nonDerivative · entry 5

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,212

Read SEC document
April 30, 2019 Filed May 2, 2019 13:36 UTC TREX CO INC TREX · Entity 3990 Exercise / conversionCommon Stock 11,424 $10.97 $125,321.28
Disclosure

SEC source: 0001127602-19-016836 · form4.xml · nonDerivative · entry 4

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,022

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 are being exercised pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on August 1, 2018.

Read SEC document
April 30, 2019 Filed May 2, 2019 13:36 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 3,251 $69.27 $225,196.77
Disclosure

SEC source: 0001127602-19-016836 · form4.xml · nonDerivative · entry 3

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,598

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

Read SEC document
April 30, 2019 Filed May 2, 2019 13:36 UTC TREX CO INC TREX · Entity 3990 Disposition to issuerCommon Stock 3,048 $69.27 $211,134.96
Disclosure

SEC source: 0001127602-19-016836 · form4.xml · nonDerivative · entry 2

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,849

Read SEC document
April 30, 2019 Filed May 2, 2019 13:36 UTC TREX CO INC TREX · Entity 3990 Exercise / conversionCommon Stock 10,256 $20.59 $211,119.76
Disclosure

SEC source: 0001127602-19-016836 · form4.xml · nonDerivative · entry 1

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,897

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 are being exercised pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on August 1, 2018.

Read SEC document
February 19, 2019 Filed Feb 21, 2019 17:32 UTC TREX CO INC TREX · Entity 3990 SaleCommon Stock 10,750 $78.06 $839,120.28
Disclosure

SEC source: 0001127602-19-007413 · form4.xml · nonDerivative · entry 2

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,641

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 August 1, 2018.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $77.86 to $78.28, inclusive.

Read SEC document
February 19, 2019 Filed Feb 21, 2019 17:32 UTC TREX CO INC TREX · Entity 3990 SaleCommon Stock 2,745 $77.55 $212,862.12
Disclosure

SEC source: 0001127602-19-007413 · form4.xml · nonDerivative · entry 1

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,391

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 August 1, 2018.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $76.915 to $78.10, inclusive.

Read SEC document
February 17, 2019 Filed Feb 19, 2019 19:47 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 4,061 $76.76 $311,722.36
Disclosure

SEC source: 0001127602-19-006685 · form4.xml · nonDerivative · entry 2

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,386

F2 · kind: 14,944 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 15, 2019 Filed Feb 19, 2019 19:47 UTC TREX CO INC TREX · Entity 3990 Exercise / conversionStock Appreciation Right · Derivative 22,848 $0.00 Strike: $10.97 $0.00
Disclosure

SEC source: 0001127602-19-006685 · form4.xml · derivative · entry 6

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 22,848 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.

F3 · kind: Stock Appreciation Rights are being exercised pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on August 24, 2017.

Read SEC document
February 15, 2019 Filed Feb 19, 2019 19:47 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 8,832 $76.76 $677,944.32
Disclosure

SEC source: 0001127602-19-006685 · form4.xml · nonDerivative · entry 5

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,136

F4 · kind: Shares are being surrendered as allowed by the Company's 2014 Stock Incentive Plan to cover payment of taxes currently due on previously granted SARs.

Read SEC document
February 15, 2019 Filed Feb 19, 2019 19:47 UTC TREX CO INC TREX · Entity 3990 Disposition to issuerCommon Stock 3,266 $76.76 $250,698.16
Disclosure

SEC source: 0001127602-19-006685 · form4.xml · nonDerivative · entry 4

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 93,968

Read SEC document
February 15, 2019 Filed Feb 19, 2019 19:47 UTC TREX CO INC TREX · Entity 3990 Exercise / conversionCommon Stock 22,848 $10.97 $250,642.56
Disclosure

SEC source: 0001127602-19-006685 · form4.xml · nonDerivative · entry 3

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 97,234

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.

F3 · kind: Stock Appreciation Rights are being exercised pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on August 24, 2017.

Read SEC document
February 15, 2019 Filed Feb 19, 2019 19:47 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 1,509 $76.76 $115,830.84
Disclosure

SEC source: 0001127602-19-006685 · form4.xml · nonDerivative · entry 1

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,447

F1 · kind: 516 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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February 14, 2019 Filed Feb 15, 2019 20:42 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 968 $78.34 $75,833.12
Disclosure

SEC source: 0001127602-19-006249 · form4.xml · nonDerivative · entry 5

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,956

F5 · kind: 968 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 13, 2019 Filed Feb 15, 2019 20:42 UTC TREX CO INC TREX · Entity 3990 GrantStock Appreciation Right · Derivative 7,612 $77.70 Strike: $77.70 $591,452.40
Disclosure

SEC source: 0001127602-19-006249 · form4.xml · derivative · entry 6

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,612 shares

Expires 2029-02-13

F6 · kind: This stock appreciation right becomes exercisable in three equal annual installments beginning on the first anniversary of the grant date.

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February 13, 2019 Filed Feb 15, 2019 20:42 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 9,653 $77.70 $750,038.10
Disclosure

SEC source: 0001127602-19-006249 · form4.xml · nonDerivative · entry 4

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,924

F4 · kind: This restricted stock unit award is performance-based, and vests over a three-year period in three equal installments beginning on the first anniversary of the grant date. 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.

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February 13, 2019 Filed Feb 15, 2019 20:42 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 6,757 $77.70 $525,018.90
Disclosure

SEC source: 0001127602-19-006249 · form4.xml · nonDerivative · entry 3

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,271

F3 · kind: This restricted stock unit vests over a three-year period in three equal annual installments beginning on the first anniversary of the grant date.

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February 13, 2019 Filed Feb 15, 2019 20:42 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 14,944 $77.70 $1,161,148.80
Disclosure

SEC source: 0001127602-19-006249 · form4.xml · nonDerivative · entry 2

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,514

F2 · kind: 14,944 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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February 13, 2019 Filed Feb 15, 2019 20:42 UTC TREX CO INC TREX · Entity 3990 GrantCommon Stock 16,289 $77.70 $1,265,655.30
Disclosure

SEC source: 0001127602-19-006249 · form4.xml · nonDerivative · entry 1

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,458

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

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August 17, 2018 Filed Aug 20, 2018 20:33 UTC TREX CO INC TREX · Entity 3990 Tax withholdingCommon Stock 1,731 $81.07 $140,332.17
Disclosure

SEC source: 0001127602-18-025797 · form4.xml · nonDerivative · entry 1

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,169

F1 · kind: 1,731 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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May 10, 2018 Filed May 11, 2018 19:26 UTC TREX CO INC TREX · Entity 3990 SaleCommon Stock 470 $114.10 $53,628.46
Disclosure

SEC source: 0001127602-18-017170 · form4.xml · nonDerivative · entry 8

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,450

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 August 24, 2017.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $114.05 to $114.285, inclusive.

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May 10, 2018 Filed May 11, 2018 19:26 UTC TREX CO INC TREX · Entity 3990 SaleCommon Stock 4,051 $113.22 $458,637.21
Disclosure

SEC source: 0001127602-18-017170 · form4.xml · nonDerivative · entry 7

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,920

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 August 24, 2017.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $112.895 to $113.745, inclusive.

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May 09, 2018 Filed May 11, 2018 19:26 UTC TREX CO INC TREX · Entity 3990 Exercise / conversionStock Appreciation Right · Derivative 9,286 $0.00 Strike: $12.78 $0.00
Disclosure

SEC source: 0001127602-18-017170 · form4.xml · derivative · entry 9

Cline James E · CIK 0001430183 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,286 shares

Expires 2022-02-15

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.

F1 · kind: Stock Appreciation Rights are being exercised pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on August 24, 2017.

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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.