Arcosa (ACA) CFO granted 15,075 shares, 7,744 withheld for taxes

Rhea-AI Filing Summary

Arcosa, Inc. Chief Financial Officer Gail M. Peck reported compensation-related share activity in common stock. On March 15, 2026, she received a grant of 15,075 shares at no cost, increasing her direct holdings. On the same date, 7,744 shares were disposed of at $105.68 per share to satisfy tax obligations through share withholding rather than an open-market sale. After these transactions, Peck directly holds 88,292 shares of Arcosa common stock.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Peck Gail M

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	15,075	$0.00	--
Tax Withholding	Common Stock	7,744	$105.68	$818K

Holdings After Transaction: Common Stock — 96,036 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

Peck Gail M

(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)
	Chief Financial Officer

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		15,075	A	$0	96,036	D
Common Stock	03/15/2026		F		7,744	D	$105.68	88,292	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 transactions did Arcosa (ACA) disclose for Gail M. Peck?

Arcosa reported that CFO Gail M. Peck received a grant of 15,075 shares of common stock and had 7,744 shares withheld to cover tax obligations. These transactions are compensation-related rather than open-market purchases or sales.

How many Arcosa (ACA) shares did the CFO receive in this Form 4 filing?

The CFO received a grant or award of 15,075 shares of Arcosa common stock. The grant carried a price of $0.00 per share, indicating a compensation-related award rather than a market purchase.

Why were 7,744 Arcosa (ACA) shares disposed of in the CFO’s Form 4?

The 7,744 shares were disposed of to satisfy tax obligations, using share withholding at $105.68 per share. This disposition is classified as payment of tax liability by delivering securities, not as an open-market sale.

What are Gail M. Peck’s Arcosa (ACA) holdings after these transactions?

Following the reported grant and tax-withholding disposition, Gail M. Peck directly holds 88,292 shares of Arcosa common stock. This figure reflects her updated ownership after both the share award and the shares withheld for taxes.

Does the Arcosa (ACA) Form 4 show any open-market buying or selling by the CFO?

The Form 4 does not show open-market buying or selling. It reports a share grant of 15,075 shares and a tax-withholding disposition of 7,744 shares, which are compensation and tax events rather than discretionary market trades.

What transaction codes appear in the Arcosa (ACA) Form 4 for the CFO?

The filing uses code A for a grant or award acquisition of 15,075 shares and code F for a tax-withholding disposition of 7,744 shares. Both apply to Arcosa common stock held directly by the CFO.