Martin Marietta director granted 313 MLM shares

LYONS MARTIN J reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

LYONS MARTIN J reported acquisition or exercise transactions in this Form 4 filing.

Martin Marietta Materials director Martin J. Lyons received an equity grant of 313 shares of Common Stock. The award was recorded on May 14, 2026 at a reported price of $0.0000 per share, indicating a compensation-related grant rather than an open-market purchase. Following this grant, Lyons holds 313 shares directly.

Insider Trade Summary

Grant/Award: 313 shares

Grant/Award 1 txn

Insider LYONS MARTIN J

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	313	$0.00	$0.00

Holdings After Transaction: Common Stock — 313 shares (Direct)

Key Figures

Shares granted: 313 shares Reported grant price: $0.0000 per share Shares held after transaction: 313 shares

3 metrics

Shares granted 313 shares Common Stock grant to director Martin J. Lyons on May 14, 2026

Reported grant price $0.0000 per share Equity award pricing, indicating compensation grant not market trade

Shares held after transaction 313 shares Direct ownership by Martin J. Lyons following the grant

Key Terms

Grant, award, or other acquisition, Common Stock, direct ownership

3 terms

Grant, award, or other acquisition financial

"transaction_code_description: "Grant, award, or other acquisition""

Common Stock financial

"security_title: "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

direct ownership financial

"ownership_type: "direct" and ownership_code: "D""

FAQ

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

What insider transaction did Martin J. Lyons report at Martin Marietta Materials (MLM)?

Martin J. Lyons reported receiving a grant of 313 shares of Martin Marietta Materials Common Stock. The transaction occurred on May 14, 2026 and was coded as a grant, award, or other acquisition rather than an open-market trade.

How many Martin Marietta Materials (MLM) shares did Martin J. Lyons acquire?

Martin J. Lyons acquired 313 shares of Martin Marietta Materials Common Stock. These shares were granted as an award, bringing his direct holdings to 313 shares immediately following the reported Form 4 transaction on May 14, 2026.

Was the Martin J. Lyons Form 4 transaction in MLM stock a market purchase or a grant?

The Form 4 transaction was a grant, not a market purchase. It is coded as a “Grant, award, or other acquisition” with a reported price of $0.0000 per share, consistent with an equity compensation award from Martin Marietta Materials.

What is Martin J. Lyons’ ownership type for the new MLM shares?

The 313 Martin Marietta Materials shares are reported as directly owned by Martin J. Lyons. The Form 4 lists ownership as “direct” with a total of 313 Common Stock shares held following the compensation-related grant on May 14, 2026.

Does the Martin J. Lyons Form 4 show any sales of Martin Marietta Materials (MLM) stock?

The Form 4 shows no sales of Martin Marietta Materials stock by Martin J. Lyons. It reports only one acquisition transaction, a grant of 313 Common Stock shares, with no dispose or sell transactions indicated in the filing summary data.

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

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Accepted by SEC EDGAR 05/18/2026 - 05:36 PM EDT 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^*

LYONS MARTIN J

(Last) (First) (Middle)

4123 PARKLAKE AVENUE

(Street)

RALEIGH NORTH CAROLINA 27612

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/14/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	05/14/2026		A		313	A	$0	313	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/ Sara W. Brown, attorney-in-fact	05/18/2026
	** 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.
* Form 4: SEC 1474 (03-26)