MLM executive files initial stock ownership

Martin Marietta Materials Inc executive George Frederick Schoen, EVP, General Counsel and Corporate Secretary, filed an initial statement of beneficial ownership of securities.

Accepted by SEC EDGAR 03/03/2026 - 03:43 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Martin Marietta Materials Inc executive George Frederick Schoen, EVP, General Counsel and Corporate Secretary, filed an initial statement of beneficial ownership of securities. The filing reports that he holds no shares of the company’s common stock directly following the reported date.

Insider Trade Summary

Holdings reported, no transactions

Holdings

Insider Schoen George Frederick

Role EVP, GC and Corp. Secretary

Type	Security	Shares	Price	Value
Holding	Common Stock	--	--	--

Holdings: Common Stock — 0 shares (Direct)

FAQ

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

What does George Frederick Schoen’s Form 3 for MLM report?

The Form 3 reports George Frederick Schoen’s initial beneficial ownership position in Martin Marietta Materials common stock. It shows he holds no shares directly following the reported date, establishing a baseline for any future insider ownership changes.

What is George Frederick Schoen’s role at Martin Marietta Materials (MLM)?

George Frederick Schoen is reported as an officer of Martin Marietta Materials, serving as Executive Vice President, General Counsel and Corporate Secretary. This senior leadership role means his future equity transactions must be disclosed in SEC ownership reports.

How many MLM common shares does Schoen directly own after this Form 3?

The Form 3 shows total direct ownership of Martin Marietta Materials common stock as 0.0000 shares following the reported date. This establishes that, at this time, he has no directly held common stock position recorded in this filing.

Does Schoen’s Form 3 show any recent buy or sell transactions in MLM stock?

The filing does not show any buy or sell transactions. It is categorized as a holding entry with an unknown transaction code, serving primarily to record that total direct ownership of Martin Marietta Materials common stock stands at zero shares after the reported date.

Why is this Form 3 for MLM considered routine for investors?

This Form 3 is a routine initial ownership statement for a senior officer, recording that he currently holds no MLM common shares directly. It does not disclose new transactions, financial results, or strategic developments that would materially change the company’s investment profile.

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

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SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Schoen George Frederick

(Last) (First) (Middle)

4123 PARKLAKE AVE

(Street)

RALEIGH NC 27612

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/01/2026

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, GC and Corp. Secretary

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	0	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

Exhibit 24.1 - Power of Attorney

	/s/ Sara W. Brown, attorney-in-fact	03/03/2026
	** 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 5 (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.