[Form 4] COMMERCIAL METALS Co Insider Trading Activity

Rhea-AI Filing Summary

Commercial Metals Company (CMC) President & CEO Peter R. Matt reported multiple equity transactions on 10/14/2025. He had shares withheld for taxes related to equity vesting, including 5,343 shares at $59.10 tied to RSUs granted on 10/14/2024 and 12,973 shares at $59.10 related to performance shares granted on 4/10/2023. He also acquired 32,968 shares from the settlement of those performance shares at $0.

In addition, he received a new grant of 43,008 RSUs on 10/14/2025, vesting in three equal installments beginning on the first anniversary of the grant date. Following these transactions, he directly beneficially owns 177,977 shares, which includes 498 acquired through the Employee Stock Purchase Plan.

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^*

MATT PETER R

(Last) (First) (Middle)

6565 N. MACARTHUR BLVD, SUITE 800

(Street)

IRVING TX 75039

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
COMMERCIAL METALS Co [ CMC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and CEO

3. Date of Earliest Transaction (Month/Day/Year)
10/14/2025

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	10/14/2025		F		5,343(1)	D	$59.1	114,476	D
Common Stock	10/14/2025		A		32,968(2)	A	$0	147,444	D
Common Stock	10/14/2025		F		12,973(3)	D	$59.1	134,471	D
Common Stock	10/14/2025		A		43,008(4)	A	$0	177,977(5)	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 shares withheld by Commercial Metals Company ("CMC") to satisfy tax withholding obligations in connection with the settlement of vested restricted stock units granted on October 14, 2024.

2. Represents the settlement of previously awarded performance shares granted on April 10, 2023.

3. Represents shares withheld by CMC to satisfy tax withholding obligations in connection with the settlement of previously awarded performance shares granted on April 10, 2023.

4. On October 14, 2025, the reporting person was granted an award of restricted stock units, vesting in three equal installments beginning on the first anniversary of the grant date.

5. Includes 498 shares acquired under the CMC Employee Stock Purchase Plan.

Remarks:

	By: Jody K. Absher For: Peter R. Matt	10/16/2025
	** 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).
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