William R. Gupp - May 11, 2021 Form 4/A - Amendment Insider Report for TREX CO INC (TREX)

Role
Sr VP,Gen. Counsel & Secretary
Signature
/s/ William R. Gupp by power of attorney
Stock symbol
TREX
Transactions as of
May 11, 2021
Transactions value $
-$1,384,924
Form type
4/A - Amendment
Date filed
5/13/2021, 05:36 PM
Date Of Original Report
May 12, 2021
Next filing
Nov 12, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TREX Common Stock Options Exercise $76.8K +14K +13.53% $5.49* 117K May 11, 2021 Direct F1
transaction TREX Common Stock Disposed to Issuer -$76.8K -724 -0.62% $106.10 117K May 11, 2021 Direct
transaction TREX Common Stock Tax liability -$635K -5.99K -5.13% $106.10 111K May 11, 2021 Direct F2
transaction TREX Common Stock Sale -$750K -7.29K -6.58% $102.85 103K May 12, 2021 Direct F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction TREX Stock Appreciation Right Options Exercise $0 -14K -100% $0.00* 0 May 11, 2021 Common Stock 14K $5.49 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Stock Appreciation Rights (SARs) are being exercised pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 5, 2020.
F2 5,988 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.
F3 The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on August 5, 2020.
F4 This Amendment is being filed to correct an error in this box.