Arcosa CEO granted 3 phantom stock units

Carrillo Antonio reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Carrillo Antonio reported acquisition or exercise transactions in this Form 4 filing.

Arcosa, Inc. President & CEO Antonio Carrillo received a grant of 3 Arcosa Phantom Stock Units on March 31, 2026 as a compensation-related award. Each phantom unit is the economic equivalent of one share of common stock and is credited at $106.14 per unit.

Following this grant, Carrillo holds a total of 4,884 Arcosa Phantom Stock Units. These phantom units are accrued under the Arcosa, Inc. Deferred Plan for Director Fees and will be settled in cash when his services with Arcosa end, rather than in actual shares.

Insider Trade Summary

Grant/Award: 3 shares

Grant/Award 1 txn

Insider Carrillo Antonio

Role President & CEO

Type	Security	Shares	Price	Value
Grant/Award	Arcosa Phantom Stock Units	3	$106.14	$318.42

Holdings After Transaction: Arcosa Phantom Stock Units — 4,884 contracts (Direct)

Footnotes (1)

1. F1. 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.

Key Figures

Phantom units granted: 3 units Reference value per unit: $106.14 per unit Total phantom units after grant: 4,884 units +1 more

4 metrics

Phantom units granted 3 units Grant on March 31, 2026

Reference value per unit $106.14 per unit Grant price for phantom stock units

Total phantom units after grant 4,884 units Holdings following March 31, 2026 award

Underlying security shares 3 shares equivalent Each phantom unit equals one share of common stock

Key Terms

Arcosa Phantom Stock Units, Deferred Plan for Director Fees, economic equivalent, settle in cash

4 terms

Arcosa Phantom Stock Units financial

"The Arcosa Phantom Stock Units were accrued under the Arcosa, Inc. Deferred Plan for Director Fees."

Deferred Plan for Director Fees financial

"The Arcosa Phantom Stock Units were accrued under the Arcosa, Inc. Deferred Plan for Director Fees."

A deferred plan for director fees lets a company delay paying board members their compensation until a future date or convert it into a future payment vehicle, such as cash at a later time or equity that vests over years. For investors, it matters because deferral can conserve current cash and tie directors’ rewards to long-term company performance—similar to choosing to receive part of your paycheck later to encourage long-term commitment—but it also creates future obligations that affect shareholder value and bankruptcy risk.

economic equivalent financial

"Each share of phantom stock units is the economic equivalent of one share of common stock."

settle in cash financial

"The phantom stock units settle in cash upon the reporting person's termination of services with Arcosa."

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Arcosa (ACA) report for Antonio Carrillo?

Arcosa reported that President & CEO Antonio Carrillo received a grant of 3 Arcosa Phantom Stock Units on March 31, 2026. This is a compensation-related award, not an open-market stock purchase or sale, and reflects routine deferred compensation.

What are Arcosa Phantom Stock Units in the ACA Form 4 filing?

Arcosa Phantom Stock Units are deferred compensation instruments whose value mirrors one share of Arcosa common stock. They are credited under a deferred plan and will be settled in cash when the reporting person’s service with Arcosa ends, rather than delivering actual shares.

How many Arcosa Phantom Stock Units does Antonio Carrillo hold after this award?

After the March 31, 2026 award, Antonio Carrillo holds 4,884 Arcosa Phantom Stock Units. This total includes the newly granted 3 units and represents his accumulated deferred compensation balance under the company’s plan for director fees tied to Arcosa’s stock value.

What was the reference value per Arcosa Phantom Stock Unit in this grant?

Each of the 3 newly granted Arcosa Phantom Stock Units was credited at $106.14 per unit. This reference price is used to determine the economic value of the deferred compensation, which will ultimately be paid in cash based on the plan’s terms.

Does the Arcosa (ACA) Form 4 show any stock sales or purchases by the CEO?

The Form 4 does not show any open-market stock sales or purchases by the CEO. It reports only a grant of 3 Arcosa Phantom Stock Units, which are a non-market, cash-settled deferred compensation award tied to Arcosa’s common stock value.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/01/2026 - 05:55 PM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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 TEXAS 75201

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/31/2026

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

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

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

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	03/31/2026		A		3		(1)	(1)	Common Stock	3	$106.14	4,884	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	04/01/2026
	** 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.
* Form 4: SEC 1474 (03-26)