Arcosa (NYSE: ACA) executive granted 12,940 shares; 6,668 withheld

Rhea-AI Filing Summary

Arcosa, Inc. Group President Reid S. Essl received a grant of 12,940 shares of common stock as equity compensation. On the same date, 6,668 shares were disposed of at $105.68 per share to cover tax obligations, a non-market transaction. After these entries, Essl directly owns 101,420 common shares.

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

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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^*

Essl Reid S

(Last) (First) (Middle)

500 NORTH AKARD ST, SUITE 400

(Street)

DALLAS TX 75201

(City) (State) (Zip)

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)
	Group President

3. Date of Earliest Transaction (Month/Day/Year)
03/15/2026

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

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

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

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	03/15/2026		A		12,940	A	$0	108,088	D
Common Stock	03/15/2026		F		6,668	D	$105.68	101,420	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:

Remarks:

	/s/ Mark Elmore, by Power of Attorney	03/17/2026
	** 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.

FAQ

What insider share transactions did Arcosa (ACA) report for Reid S. Essl?

Reid S. Essl, Group President of Arcosa, received 12,940 shares of common stock as an equity award and had 6,668 shares disposed of to satisfy tax obligations. These entries reflect compensation and tax withholding rather than open-market buying or selling.

How many Arcosa (ACA) shares does Reid S. Essl own after the latest report?

Following the March 15, 2026 transactions, Reid S. Essl directly owns 101,420 shares of Arcosa common stock. This figure reflects the net position after receiving 12,940 awarded shares and the tax-related disposition of 6,668 shares at $105.68 per share.

Was Reid S. Essl’s Arcosa (ACA) stock transaction an open-market trade?

The activity involved an equity award and tax withholding, not open-market trades. Essl received 12,940 shares at no cost and 6,668 shares were disposed of at $105.68 per share to cover tax liabilities, a routine compensation-related mechanism rather than discretionary buying or selling.

What does the F code transaction for Arcosa (ACA) shares indicate for Reid S. Essl?

The F code shows 6,668 Arcosa shares were disposed of at $105.68 per share to pay tax obligations. This represents shares withheld or delivered for taxes tied to the equity grant, not a market sale expressing a view on the company’s stock price.

What is the nature of the A code stock transaction for Arcosa (ACA) executive Reid S. Essl?

The A code reflects a grant or award acquisition. Essl received 12,940 shares of Arcosa common stock at $0.00 per share, representing equity-based compensation granted to him as Group President rather than a purchase made in the open market.