LAUER ZACHARY C. enters TREX CO INC with 28.19K shares plus derivative instruments

Holding both equity and derivatives at entry signals strong long-term conviction in the company.

Direct Derivatives

LAUER ZACHARY C.

Filed: 5/6/2026ACC: 0001069878-26-000040

InsiderLAUER ZACHARY C.CIK 2132943

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IssuerTREX CO INCCIK 1069878

Officer· SVP, Chief Operations Officer

Since Apr 2026

28.19K

Baseline shares

100% direct

28.19K

Direct ownership

1 position

10.47K

Derivative underlying

6 instruments

Security positions

All direct

Non-Derivative Holdings1

Common Stock

Direct

Shares owned28.19K

Total

28.19K direct28.19K

Security Title	Shares Owned	Ownership Type
Common Stock	28.19K	Direct
Total	28.19K	28.19K direct

Derivative Holdings6

Stock Appreciation Right

Direct

Underlying security

Common Stock

Underlying shares

2.17K

Shares owned

N/A

Exercise price

50.83

Expiration

—

Exercise window

—

Stock Appreciation Right

Direct

Underlying security

Common Stock

Underlying shares

1.34K

Shares owned

N/A

Exercise price

82.01

Expiration

—

Exercise window

—

Stock Appreciation Right

Direct

Underlying security

Common Stock

Underlying shares

2.48K

Shares owned

N/A

Exercise price

67.33

Expiration

—

Exercise window

—

Stock Appreciation Right

Direct

Underlying security

Common Stock

Underlying shares

810.00

Shares owned

N/A

Exercise price

104.56

Expiration

—

Exercise window

—

Stock Appreciation Right

Direct

Underlying security

Common Stock

Underlying shares

2.15K

Shares owned

N/A

Exercise price

56.80

Expiration

—

Exercise window

—

Stock Appreciation Right

Direct

Underlying security

Common Stock

Underlying shares

1.52K

Shares owned

N/A

Exercise price

90.86

Expiration

—

Exercise window

—

Total

Underlying

10.47K

Owned

0.00

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Stock Appreciation Right Direct	Common Stock	50.83	—	—	2.17K	N/A
Stock Appreciation Right Direct	Common Stock	82.01	—	—	1.34K	N/A
Stock Appreciation Right Direct	Common Stock	67.33	—	—	2.48K	N/A
Stock Appreciation Right Direct	Common Stock	104.56	—	—	810.00	N/A
Stock Appreciation Right Direct	Common Stock	56.80	—	—	2.15K	N/A
Stock Appreciation Right Direct	Common Stock	90.86	—	—	1.52K	N/A
Total					10.47K	0.00