Arcosa officer disposes of 66,960 shares in merger

The merger agreement provides cash payments of $150 per share for common stock and underlying awards, plus any accrued but unpaid dividend equivalents.

Rhea-AI Filing Summary

On October 23, 2026, Arcosa, Inc. officer Bryan Stevenson (CLO & Asst Corp Sec.) reported vesting of 29,484 restricted stock units subject to performance criteria under the Agreement and Plan of Merger dated June 21, 2026. He also reported disposition of 66,960 common shares under the agreement for cash at $150 per share of common stock and $150 per share of common stock underlying restricted stock and restricted stock unit awards, plus any accrued but unpaid dividend equivalents on those awards.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Stevenson Bryan

Role CLO & Asst Corp Sec.

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	29,484	$0.00	$0.00
Disposition	Common Stock F2	66,960	$150.00	$10.04M

Holdings After Transaction: Common Stock — 0 shares (Direct)

Footnotes (2)

1. 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").
2. 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.

Key Figures

Restricted stock units vested: 29,484 restricted stock units Common shares disposed: 66,960 shares Merger cash consideration: $150 per share of common stock; $150 per share of common stock underlying restricted stock and restricted stock unit awards

3 metrics

Restricted stock units vested 29,484 restricted stock units Vested October 23, 2026, subject to performance criteria

Common shares disposed 66,960 shares Disposition reported October 23, 2026, pursuant to the merger agreement

Merger cash consideration $150 per share of common stock; $150 per share of common stock underlying restricted stock and restricted stock unit awards Plus any accrued but unpaid dividend equivalents in respect of those awards

Key Terms

restricted stock units, performance criteria, Agreement and Plan of Merger, dividend equivalents

4 terms

restricted stock units financial

"vesting of restricted stock units subject to performance criteria"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

performance criteria financial

"restricted stock units subject to performance criteria pursuant to the terms"

Agreement and Plan of Merger regulatory

"Agreement and Plan of Merger, dated June 21, 2026"

An Agreement and Plan of Merger is a formal document where two companies agree to combine into one, outlining how the process will happen. It’s like a step-by-step plan for merging, and it matters because it shows both sides have agreed on the details before the official transition takes place.

dividend equivalents financial

"any accrued but unpaid dividend equivalents in respect of such awards"

Payments tied to employee or contractor equity awards that mirror the cash dividends paid on the company’s stock; they give the holder the same economic benefit as owning the shares without transferring actual shares—often paid in cash or additional award units when the award becomes payable. Investors care because these payments affect a company’s compensation costs, cash flow and potential share dilution, and they signal how management is being rewarded and aligned with shareholders.

FAQ

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

How many shares did ACA officer Bryan Stevenson dispose of?

Bryan Stevenson reported disposition of 66,960 common shares on October 23, 2026, pursuant to the merger agreement. No Rule 10b5-1 plan is reported.

What cash terms applied to Bryan Stevenson's ACA share disposition?

The agreement provided for $150 per share of common stock and $150 per share of common stock underlying restricted stock and restricted stock unit awards, plus any accrued but unpaid dividend equivalents in respect of those awards.

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

Form 4 Insider Transactions: What Each Field Means →

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Available on EDGAR 10/23/2026 - 04:53 PM EDT Accepted by SEC EDGAR 10/23/2026 - 04:45 PM EDT 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

X

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^*

Stevenson Bryan

(Last) (First) (Middle)

500 NORTH 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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CLO & Asst Corp Sec.

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/23/2026

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
Common Stock	10/23/2026		A		29,484	A	$0(1)	66,960	D
Common Stock	10/23/2026		D		66,960	D	$150(2)	0	D

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

Explanation of Responses:

1. 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").

2. 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.

Remarks:

	/s/ Mark Elmore, by Power of Attorney	10/23/2026
	** 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)