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Zambanini Adam Dante's Form 4/A amendment

Amended

Trex Co IncTREX · filed Nov 9, 2026

Accession no.
0001069878-26-000091
Filed
Nov 9, 2026, 8:13 PM ET
Trade date
Nov 5-9, 2026
Filing delay
4 days
Rule 10b5-1 plan
Not checked
Original filed
Nov 9, 2026

This filing lists 2 non-derivative transactions and 1 derivative transaction. Open-market sales total $27.9K. It was filed 4 days after the trade.

This amendment replaces 0001069878-26-000085 (filed Nov 9, 2026).

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Zambanini Adam DanteCIK 0001512909Officer (President and CEO)

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Nov 5, 2026Common StockMOption exerciseAcquired+1,491$0.00$0236,005Direct
Nov 9, 2026Common StockSSaleDisposed−500$55.84F3−$27,920235,505Direct

Derivative securities (Table II)

Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.

Derivative transactions
Trade dateSecurityTransactionUnderlying sharesUnit priceValueHeld afterOwnershipFlags
Nov 5, 2026Common StockMOption exerciseDisposed−2,170$0.00$00Direct

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

F1

Represents 1,491 shares of common stock issued upon settlement of the exercise of 2,170 stock appreciation rights reported in Table II. The number of shares issued was determined based on the excess of the fair market value of the Issuer's common stock on the exercise date over the SAR grant price.

F2

The shares were sold to satisfy tax obligations arising from the exercise of the stock appreciation rights reported herein.

F3

The price reported represents the weighted average sale price. The shares were sold in multiple transactions at prices ranging from $55.825 to $55.85, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, information regarding the number of shares sold at each separate price within the range set forth herein.

Referenced by the price of 1 transaction in Table I.

F4

Represents the exercise of 2,170 stock appreciation rights. Each stock appreciation right entitled the Reporting Person, upon exercise, to receive the excess of the fair market value of one share of the Issuer's common stock on the exercise date over the SAR grant price of $17.523 per share. Based on a fair market value of $56.01 per share on the exercise date, the exercise was settled through the issuance of 1,491 shares of common stock, as reported in Table I. Following the exercise, no stock appreciation rights remain outstanding under this award.

Remarks

This amendment is being filed solely to correct the price reported in Table I for the acquisition of shares upon settlement of the Reporting Person's stock appreciation rights. The price was inadvertently reported as $56.01 per share, which was the fair market value of the Issuer's common stock used to determine the settlement value of the stock appreciation rights. All other information in the original Form 4 remains unchanged.

Read the full filing on SEC EDGAR (opens in a new tab)