Martin Marietta (MLM) CEO awarded 5,919 restricted stock units

Rhea-AI Filing Summary

Nye C Howard reported acquisition or exercise transactions in this Form 4 filing.

Martin Marietta Materials Chairman, President and CEO C. Howard Nye received an equity grant tied to company stock. He was awarded 5,919 restricted stock units on common stock at no cash cost, increasing his directly held shares to 176,038.

The award was granted under the company’s Amended and Restated Stock-Based Award Plan and will cliff vest on the third anniversary of the award date, subject to continued employment and other terms in the award agreement. Nye also indirectly holds 70,400 shares through the Charles Howard Nye Irrevocable Trust.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Nye C Howard

Role Chairman, Pres & CEO

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	5,919	$0.00	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 176,038 shares (Direct); Common Stock — 70,400 shares (Indirect, By Charles Howard Nye Irrevocable Trust)

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^*

Nye C Howard

(Last) (First) (Middle)

MARTIN MARIETTA MATERIALS, INC.

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
X	Officer (give title below)		Other (specify below)
	Chairman, Pres & CEO

3. Date of Earliest Transaction (Month/Day/Year)
03/01/2026

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	03/01/2026		A		5,919(1)	A	$0	176,038	D
Common Stock								70,400	I	By Charles Howard Nye Irrevocable Trust

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. Restricted stock unit award granted under the Martin Marietta Materials, Inc. Amended and Restated Stock-Based Award Plan, which award cliff vests on the third anniversary of the award date, subject to continued employment and other terms and conditions specified in the award agreement.

	/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 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 did Martin Marietta (MLM) CEO C. Howard Nye report on this Form 4?

C. Howard Nye reported receiving 5,919 restricted stock units linked to Martin Marietta common stock. The grant was recorded as an acquisition at no cash price and reflects an equity award under the company’s stock-based award plan.

How many Martin Marietta (MLM) shares does C. Howard Nye hold after this transaction?

After the award, C. Howard Nye directly holds 176,038 Martin Marietta common shares. He also has indirect ownership of 70,400 additional shares through the Charles Howard Nye Irrevocable Trust, as disclosed in the same Form 4 filing.

What are the vesting terms of the 5,919 restricted stock units granted to the MLM CEO?

The 5,919 restricted stock units will cliff vest on the third anniversary of the award date. Vesting is subject to Nye’s continued employment and other conditions detailed in the Martin Marietta stock-based award agreement.

Was there any cash paid for the 5,919 Martin Marietta restricted stock units?

No cash was paid for the 5,919 restricted stock units; the per-share transaction price was disclosed as 0.0000. This indicates the award was granted as part of Martin Marietta’s equity compensation program rather than a market purchase.

How is the Charles Howard Nye Irrevocable Trust related to Nye’s Martin Marietta (MLM) holdings?

The Form 4 shows Nye has indirect ownership of 70,400 Martin Marietta shares through the Charles Howard Nye Irrevocable Trust. These shares are reported as indirectly held, separate from his 176,038 directly owned common shares.