Antonio Carrillo - 30 Sep 2025 Form 4 Insider Report for Arcosa, Inc. (ACA)

Role: President & CEO, Director
Signature: /s/ Mark Elmore, by Power of Attorney
Issuer symbol: ACA
Transactions as of: 30 Sep 2025
Transactions value $: $281
Form type: 4
Filing time: 02 Oct 2025, 16:49:04 UTC
Previous filing: 05 Aug 2025
Next filing: 05 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Carrillo Antonio	President & CEO, Director	500 N AKARD ST. SUITE 400, DALLAS	/s/ Mark Elmore, by Power of Attorney	02 Oct 2025	0001486776

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ACA	Arcosa Phantom Stock Units	Award	$281	+3	+0.06%	$93.71	4.88K	30 Sep 2025	Common Stock	3	$0.00	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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.