Arcosa (ACA) President & CEO gains Arcosa Phantom Stock Units in insider filing

Rhea-AI Filing Summary

Arcosa, Inc. reported a routine equity-related transaction for its President & CEO and Director. On 12/31/2025, the reporting person acquired 2 Arcosa Phantom Stock Units under the Arcosa, Inc. Deferred Plan for Director Fees. Each phantom stock unit is the economic equivalent of one share of Arcosa common stock and is designed to mirror the value of the stock without issuing actual shares. Following this transaction, the reporting person beneficially owned 4,881 phantom stock units on a direct basis. These units are settled in cash when the reporting person’s service with Arcosa ends, rather than through delivery of common shares.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Carrillo Antonio

(Last) (First) (Middle)

500 N AKARD ST. SUITE 400

(Street)

DALLAS TX 75201

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Arcosa, Inc. [ ACA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President & CEO

3. Date of Earliest Transaction (Month/Day/Year)
12/31/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Arcosa Phantom Stock Units	$0	12/31/2025		A		2		(1)	(1)	Common Stock	2	$106.32	4,881	D

Explanation of Responses:

1. The Arcosa Phantom Stock Units were accrued under the Arcosa, Inc. Deferred Plan for Director Fees. Each share of phantom stock units is the economic equivalent of one share of common stock. The phantom stock units settle in cash upon the reporting person's termination of services with Arcosa.

Remarks:

	/s/ Mark Elmore, by Power of Attorney	01/02/2026
	** Signature of Reporting Person	Date
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 4 (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.

FAQ

What insider transaction did Arcosa (ACA) report in this Form 4?

Arcosa reported that its President & CEO, who is also a Director, acquired 2 Arcosa Phantom Stock Units on 12/31/2025 under the company’s Deferred Plan for Director Fees.

What are Arcosa Phantom Stock Units mentioned in the ACA filing?

The filing states that each Arcosa Phantom Stock Unit is the economic equivalent of one share of common stock. These units track the value of Arcosa’s common stock but do not represent actual shares.

How and when are Arcosa Phantom Stock Units settled for the ACA insider?

According to the disclosure, the phantom stock units settle in cash upon the reporting person’s termination of services with Arcosa, rather than being settled in shares.

How many Arcosa Phantom Stock Units does the reporting person hold after this transaction?

After acquiring 2 additional units, the reporting person beneficially owned 4,881 Arcosa Phantom Stock Units, held with direct ownership as shown in the filing.

What role does the reporting person hold at Arcosa (ACA)?

The filing identifies the reporting person as both a Director and an Officer, with the title President & CEO of Arcosa, Inc.