MLM Director Sells 1,038 Shares at $613.32 — Form 4

Laree E. Perez, a director of Martin Marietta Materials (MLM), reported a sale of 1,038 shares of common stock on 08/08/2025 at a reported price of $613.32, leaving beneficial ownership of 15,417 shares.

Rhea-AI Filing Summary

Laree E. Perez, a director of Martin Marietta Materials (MLM), reported a sale of 1,038 shares of common stock on 08/08/2025 at a reported price of $613.32, leaving beneficial ownership of 15,417 shares. The disclosure is a Form 4 insider transaction showing a director-initiated sale and the remaining shareholdings after the trade.

Insights

Financial Analyst

TL;DR: A director sold 1,038 shares leaving 15,417; this single Form 4 sale is routine and provides limited actionable insight alone.

The filing records a direct sale by Director Laree E. Perez of 1,038 common shares at a reported price of $613.32, with 15,417 shares owned after the trade. As a standalone disclosure, the sale does not include information about motives, planned sales, or whether the sale is part of a scheduled plan. Without a pattern of trades or other material events, this transaction is not likely to be material to MLM's valuation.

Corporate Governance Expert

TL;DR: The Form 4 shows required transparency for insider activity; a one-off director sale does not raise governance concerns by itself.

The report identifies Perez as a director and documents the reduction of beneficial holdings to 15,417 shares. The form is properly used to disclose changes in beneficial ownership. There is no indication in the filing of undisclosed arrangements or departures; therefore governance implications are limited absent further disclosures.

Insider Trade Summary

Net Seller: 1,038 shares

Net Sell 1 txn

Insider PEREZ LAREE E

Role Director

Sold 1,038 shs ($637K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,038	$613.32	$637K

Holdings After Transaction: Common Stock — 15,417 shares (Direct)

FAQ

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

What insider activity did Martin Marietta (MLM) disclose on the Form 4?

The Form 4 reports that Director Laree E. Perez sold 1,038 shares of common stock, reducing beneficial ownership to 15,417 shares.

At what price were the MLM shares sold by the director?

The reported transaction price in the filing is $613.32 per share.

When did the reported MLM transaction occur?

The transaction date shown on the Form 4 is 08/08/2025.

What is Laree E. Perez's relationship to Martin Marietta Materials (MLM)?

The filing identifies Laree E. Perez as a Director of Martin Marietta Materials.

Does the Form 4 indicate any derivative transactions or other securities?

No. The filing shows only a non-derivative common stock sale and contains no entries for derivative securities.

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

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Accepted by SEC EDGAR 08/11/2025 - 04:05 PM 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

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^*

PEREZ LAREE E

(Last) (First) (Middle)

4123 PARKLAKE AVENUE

(Street)

RALEIGH NC 27612

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MARTIN MARIETTA MATERIALS INC [ MLM ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
08/08/2025

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	08/08/2025		S		1,038	D	$613.32	15,417	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:

	/s/ Bradley D. Kohn, attorney-in-fact	08/11/2025
	** 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).
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.