STOCK TITAN

Trex (TREX) COO Lauer details common stock and award holdings

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
3

Rhea-AI Filing Summary

Trex Company senior vice president and Chief Operations Officer Zachary C. Lauer filed an initial ownership report showing his existing equity stake in the company. He directly holds 28,187 shares of Trex common stock, reflecting his current ownership position rather than a new purchase or sale.

Lauer also holds several stock appreciation rights tied to Trex common stock, including 2,481 underlying shares at an exercise price of $67.33 per share expiring on February 17, 2035, and other awards with exercise prices ranging from $50.83 to $104.56 per share and expirations between 2030 and 2034.

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Insider Lauer Zachary C.
Role SVP, Chief Operations Officer
Type Security Shares Price Value
holding Stock Appreciation Right -- -- --
holding Stock Appreciation Right -- -- --
holding Stock Appreciation Right -- -- --
holding Stock Appreciation Right -- -- --
holding Stock Appreciation Right -- -- --
holding Stock Appreciation Right -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Stock Appreciation Right — 2,166 shares (Direct, null); Common Stock — 28,187 shares (Direct, null)
Footnotes (1)
  1. Includes 3,848 time-based restricted stock units that vest March 1, 2027; 3,264 time-based restricted stock units that vest March 1, 2028; 2,304 time-based restricted stock units that vest March 1, 2029; a target number of 4,509 performance-based restricted stock units that vest on March 1, 2027; a target number of 3,675 performance-based restricted stock units that vest on March 1, 2028; and a target number of 2,304 performance-based restricted stock units that vest on March 1, 2029. The number of performance-based restricted stock units set forth above is the target number of shares. The number of shares that will actually vest 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. This stock appreciation right became exercisable in three equal installments that occurred on February 19, 2021, February 19, 2022, and February 19, 2023. This stock appreciation right became exercisable in three equal installments that occurred on February 17, 2022, February 17, 2023, and February 17, 2024. This stock appreciation right became exercisable in three equal installments that occurred on March 1, 2023, March 1, 2024, and March 1, 2025. This stock appreciation right became exercisable in three equal installments that occurred on March 1, 2024, March 1, 2025, and March 1, 2026. This stock appreciation right vests in three equal annual installments; the first and second installments became exercisable on March 1, 2025 and March 1, 2026, respectively, and the third installment will become exercisable on March 1, 2027. This stock appreciation right vests in three equal annual installments; the first installment became exercisable on March 1, 2026, and the second and third installments will become exercisable on March 1, 2027 and March 1, 2028, respectively.
Direct common stock holdings 28,187 shares Beneficial ownership reported by Zachary C. Lauer on Form 3
Stock appreciation right 1 2,481 underlying shares at $67.33 Exercise price $67.33 per share, expiration February 17, 2035
Stock appreciation right 2 1,522 underlying shares at $90.86 Exercise price $90.86 per share, expiration February 19, 2034
Stock appreciation right 3 2,152 underlying shares at $56.80 Exercise price $56.80 per share, expiration February 14, 2033
Time-based RSUs 2027 3,848 units Time-based restricted stock units vesting March 1, 2027
Time-based RSUs 2028 3,264 units Time-based restricted stock units vesting March 1, 2028
Performance-based RSUs 2027 target 4,509 units Target performance-based RSUs vesting March 1, 2027; payout 0%–200% of target
Performance-based RSUs 2028 target 3,675 units Target performance-based RSUs vesting March 1, 2028; payout 0%–200% of target
Stock Appreciation Right financial
"security_title: "Stock Appreciation Right" with underlying Trex common stock"
A stock appreciation right (SAR) is a form of employee pay that gives the holder the right to receive the increase in a company's share price over a set reference price, paid in cash or shares, without having to buy stock first. It matters to investors because SARs can create future cash outflows or dilute existing shareholders if settled in stock, and they align employee incentives with share-price performance like a bonus tied to a home's price rise.
restricted stock units financial
"Includes 3,848 time-based restricted stock units that vest March 1, 2027"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
performance-based restricted stock units financial
"a target number of 4,509 performance-based restricted stock units that vest on March 1, 2027"
Performance-based restricted stock units are a type of employee equity award that converts into company shares only if predefined financial or operational targets are met over a set period. Think of it like a bonus check that becomes stock only when specific goals are hit; it ties pay to results, aligning managers’ incentives with shareholders. Investors care because these awards affect future share count, executive incentives, and signal how management’s success will be measured and rewarded.
exercise price financial
"exercisePrice: "67.3300" for stock appreciation right over common stock"
The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.
beneficial ownership financial
"total_shares_following_transaction shows Lauer’s beneficial ownership in common stock"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
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SEC Form 3
FORM 3UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
Lauer Zachary C.

(Last)(First)(Middle)
2500 TREX WAY
C/O TREX COMPANY, INC.

(Street)
WINCHESTER VIRGINIA 22601

(City)(State)(Zip)

UNITED STATES

(Country)
2. Date of Event Requiring Statement (Month/Day/Year)
04/28/2026
3. Issuer Name and Ticker or Trading Symbol
TREX CO INC [ TREX ]
3a. Foreign Trading Symbol
5. If Amendment, Date of Original Filed (Month/Day/Year)
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
SVP, Chief Operations Officer
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock28,187(1)D
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year)3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Appreciation Right02/19/2023(2)02/19/2030Common Stock2,166$50.83D
Stock Appreciation Right02/17/2024(3)02/17/2031Common Stock810$104.56D
Stock Appreciation Right03/01/2025(4)02/23/2032Common Stock1,338$82.01D
Stock Appreciation Right03/01/2026(5)02/14/2033Common Stock2,152$56.8D
Stock Appreciation Right03/01/2027(6)02/19/2034Common Stock1,522$90.86D
Stock Appreciation Right03/01/2028(7)02/17/2035Common Stock2,481$67.33D
Explanation of Responses:
1. Includes 3,848 time-based restricted stock units that vest March 1, 2027; 3,264 time-based restricted stock units that vest March 1, 2028; 2,304 time-based restricted stock units that vest March 1, 2029; a target number of 4,509 performance-based restricted stock units that vest on March 1, 2027; a target number of 3,675 performance-based restricted stock units that vest on March 1, 2028; and a target number of 2,304 performance-based restricted stock units that vest on March 1, 2029. The number of performance-based restricted stock units set forth above is the target number of shares. The number of shares that will actually vest 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.
2. This stock appreciation right became exercisable in three equal installments that occurred on February 19, 2021, February 19, 2022, and February 19, 2023.
3. This stock appreciation right became exercisable in three equal installments that occurred on February 17, 2022, February 17, 2023, and February 17, 2024.
4. This stock appreciation right became exercisable in three equal installments that occurred on March 1, 2023, March 1, 2024, and March 1, 2025.
5. This stock appreciation right became exercisable in three equal installments that occurred on March 1, 2024, March 1, 2025, and March 1, 2026.
6. This stock appreciation right vests in three equal annual installments; the first and second installments became exercisable on March 1, 2025 and March 1, 2026, respectively, and the third installment will become exercisable on March 1, 2027.
7. This stock appreciation right vests in three equal annual installments; the first installment became exercisable on March 1, 2026, and the second and third installments will become exercisable on March 1, 2027 and March 1, 2028, respectively.
/s/ Amy M. Fernandez by power of attorney05/06/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

FAQ

What does the Trex (TREX) Form 3 filing for Zachary C. Lauer show?

The Form 3 filing shows Zachary C. Lauer’s existing ownership in Trex. He directly holds 28,187 common shares plus multiple stock appreciation rights and restricted stock units, documenting his starting equity position as a reporting officer.

How many Trex (TREX) common shares does Zachary C. Lauer directly own?

Zachary C. Lauer directly owns 28,187 shares of Trex common stock. This figure represents his reported beneficial ownership at the time of the Form 3 and does not, by itself, indicate a recent purchase or sale.

What stock appreciation rights does Zachary C. Lauer hold in Trex (TREX)?

Lauer holds several stock appreciation rights over Trex common stock, including 2,481 underlying shares at $67.33, 1,522 at $90.86, 2,152 at $56.80, 1,338 at $82.01, 810 at $104.56, and 2,166 at $50.83, with expirations from 2030–2035.

Are there performance-based restricted stock units in the Trex (TREX) Form 3 filing?

Yes. The filing notes target performance-based restricted stock units of 4,509 shares vesting March 1, 2027, 3,675 vesting March 1, 2028, and 2,304 vesting March 1, 2029. Actual vesting will range from 0% to 200% of these targets.

What time-based restricted stock units does Zachary C. Lauer have at Trex (TREX)?

He has time-based restricted stock units scheduled to vest on specific dates: 3,848 units vest March 1, 2027; 3,264 vest March 1, 2028; and 2,304 vest March 1, 2029. These units convert to shares if vesting conditions are satisfied.

Does the Trex (TREX) Form 3 indicate recent insider buying or selling?

The Form 3 primarily records Lauer’s existing holdings and awards, with transactions labeled as holdings and unknown codes. It does not clearly identify new open‑market purchases or sales, focusing instead on his current equity position and derivative awards.