CEO of Martin Marietta (NYSE: MLM) granted new stock awards

Filing Impact

(Very High)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Martin Marietta Materials’ Chairman, President and CEO C. Howard Nye received equity awards of company common stock. On February 20, 2026, he acquired 2,216 shares at a grant value of $548.75 per share and an additional 6,405 shares at no cost, including a restricted stock unit award that vests in equal installments over three years. Following these grants, he directly owns 173,145 shares, with a further 70,400 shares held indirectly through the Charles Howard Nye Irrevocable Trust.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Nye C Howard

Role Chairman, Pres & CEO

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	2,216	$548.75	$1.22M
Grant/Award	Common Stock	6,405	$0.00	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 166,740 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 →

02/24/2026 - 03:09 PM

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

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)
02/20/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	02/20/2026		A		2,216	A	$548.75	166,740	D
Common Stock	02/20/2026		A		6,405⁽¹⁾	A	$0	173,145	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Restricted stock unit award granted under the Martin Marietta Materials, Inc. Amended and Restated Stock-Based Award Plan, which award vests pro rata in equal installments over three years from the date of grant.

	/s/ Sara W. Brown, attorney-in-fact	02/24/2026
	** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did MLM report for CEO C. Howard Nye?

MLM reported that CEO C. Howard Nye received equity awards of company common stock. He acquired 2,216 shares at a grant value of $548.75 per share and 6,405 additional shares at no cost as part of his compensation.

How many Martin Marietta (MLM) shares did the CEO acquire in the latest award?

C. Howard Nye acquired a total of 8,621 Martin Marietta common shares. This includes 2,216 shares valued at $548.75 per share and 6,405 shares granted at no cost under the company’s stock-based award plan.

What type of stock awards did MLM’s CEO receive on February 20, 2026?

MLM’s CEO received stock grants including a restricted stock unit award under Martin Marietta’s Amended and Restated Stock-Based Award Plan. The restricted stock units vest pro rata in equal installments over three years from the February 20, 2026 grant date.

How many Martin Marietta (MLM) shares does the CEO own after these awards?

After the awards, C. Howard Nye directly owns 173,145 Martin Marietta common shares. In addition, 70,400 shares are held indirectly through the Charles Howard Nye Irrevocable Trust, reflecting both direct and trust-related ownership positions.

How do the restricted stock units granted to MLM’s CEO vest over time?

The restricted stock unit award to MLM’s CEO vests pro rata in equal installments over three years. Each year, a portion of the granted units becomes fully vested, aligning long-term compensation with multi‑year company performance and continued service.

Does the Form 4 show any stock sales by MLM’s CEO?

The Form 4 reflects only stock acquisitions and holdings, with no reported sales. It shows two grant or award acquisitions of common stock and an indirect holding position through the Charles Howard Nye Irrevocable Trust, without any disposition transactions.