Arcosa CEO acquires 2 cash-settled stock units

The deferred units track the economics of common shares and settle in cash when the president and CEO terminates services with Arcosa.

Rhea-AI Filing Summary

Arcosa, Inc. President & CEO Antonio Carrillo acquired 2 Arcosa Phantom Stock Units on September 30, 2026, under the Arcosa, Inc. Deferred Plan for Director Fees. Each unit is the economic equivalent of one common share and settles in cash upon Carrillo’s termination of services with Arcosa. His reported direct position after the acquisition was 4,887 units; the transaction reported a price of $146.15 per share.

Insider Trade Summary

Grant/Award: 2 shares

Grant/Award 1 txn

Insider Carrillo Antonio

Role President & CEO

Type	Security	Shares	Price	Value
Grant/Award	Arcosa Phantom Stock Units F1	2	$146.15	$292.30

Holdings After Transaction: Arcosa Phantom Stock Units — 4,887 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 Stock Units acquired: 2 units Reported price per share: $146.15 per share Phantom Stock Units following acquisition: 4,887 units

3 metrics

Phantom Stock Units acquired 2 units September 30, 2026

Reported price per share $146.15 per share For the September 30, 2026 acquisition

Phantom Stock Units following acquisition 4,887 units Direct position after the September 30, 2026 acquisition

Key Terms

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

3 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

"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."

FAQ

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

How many ACA phantom stock units did Antonio Carrillo acquire?

Antonio Carrillo acquired 2 Arcosa Phantom Stock Units on September 30, 2026. His reported direct position after the acquisition was 4,887 units, and the transaction reported a price of $146.15 per share.

How are ACA phantom stock units settled?

Each Arcosa Phantom Stock Unit is the economic equivalent of one share of common stock and settles in cash upon the reporting person’s termination of services with Arcosa.

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

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Available on EDGAR 10/01/2026 - 05:02 PM Accepted by SEC EDGAR 10/01/2026 - 05:01 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)
09/30/2026

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	09/30/2026		A		2		(1)	(1)	Common Stock	2	$146.15	4,887	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	10/01/2026
	** 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)