Antonio Carrillo - 23 Oct 2026 Form 4 Insider Report for Arcosa, Inc. (ACA)

Reporting relationship: President & CEO, Director
Issuer ticker: ACA
Reported as of: 23 Oct 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 23 Oct 2026, 16:46:22 UTC
Prior SEC filing: 01 Oct 2026
Next SEC filing: 04 Nov 2026
Source filing: View source filing
Reporting owner signature: /s/ Mark Elmore, by Power of Attorney

Filing notes and source

Key filing fact

Antonio Carrillo filed Form 4 for Arcosa, Inc. (ACA) on 23 Oct 2026.

Key facts

This page summarizes Antonio Carrillo's Form 4 filing for Arcosa, Inc. (ACA).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 23 Oct 2026, 16:46.

Change

Previous filing in this sequence was filed on 01 Oct 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001486776 Primary reporting owner

Carrillo Antonio

Relationship: President & CEO, Director
Address: 500 N AKARD ST. SUITE 400, DALLAS
Signature: /s/ Mark Elmore, by Power of Attorney
Signature date: 23 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ACA transaction

Common Stock

Award

Transaction value
Shares: +168,305
Change %: +34%
Price: $0.000000^*
Shares after: 667,240
Date: 23 Oct 2026
Ownership: Direct
Footnotes: F1

ACA transaction

Common Stock

Disposed to Issuer

Transaction value
Shares: -667,240
Change %: -100%
Price: $150.00^*
Shares after: 0
Date: 23 Oct 2026
Ownership: Direct
Footnotes: F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ACA transaction Derivative

Arcosa Phantom Stock Units

Disposed to Issuer

Transaction value
Shares: -4,887
Change %: -100%
Price: $150.00^*
Shares after: 0
Date: 23 Oct 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 4,887
Exercise price: $0.000000
Footnotes: F3, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

Antonio Carrillo is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 4 footnotes

Footnote F1

Represents the vesting of restricted stock units subject to performance criteria pursuant to the terms of the Agreement and Plan of Merger, dated June 21, 2026, by and among CRH Americas, Inc., Neon Merger Sub, Inc., and Arcosa, Inc. (the "Merger Agreement").

Footnote F2

Disposed of pursuant to the Merger Agreement in exchange for a cash payment of (i) $150.00 per share of common stock and (ii) $150.00 per share of common stock underlying awards of restricted stock and restricted stock units, as applicable, plus any accrued but unpaid dividend equivalents in respect of such awards.

Footnote F3

The Arcosa phantom stock units were accrued under the Arcosa, Inc. Deferred Plan for Director Fees (the "Plan"). Each share of phantom stock units was the economic equivalent of one share of common stock. The phantom stock units settled in cash upon the reporting person's termination of services with Arcosa.

Footnote F4

Price determined as of September 30, 2026 pursuant to the terms of the Plan.