Martin Marietta (NYSE: MLM) director receives 313-share stock award

Rhea-AI Filing Summary

DELLY GAYLA J reported acquisition or exercise transactions in this Form 4 filing.

Martin Marietta Materials director Gayla J. Delly received an equity grant of 313 shares of common stock. The award was reported at a price of $0.00 per share on May 14, 2026, and brought her direct holdings to 313 shares following the transaction.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider DELLY GAYLA J

Role null

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

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

Footnotes (1)

Key Figures

Equity award shares: 313 shares Award price per share: $0.00 per share Shares owned after transaction: 313 shares

3 metrics

Equity award shares 313 shares Non-derivative common stock grant on May 14, 2026

Award price per share $0.00 per share Reported grant price for 313-share award

Shares owned after transaction 313 shares Direct holdings following the Form 4 award

Key Terms

Common Stock, Grant, award, or other acquisition, Form 4

3 terms

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.

Grant, award, or other acquisition financial

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

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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^*

DELLY GAYLA 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)

FAQ

What insider transaction did MLM director Gayla J. Delly report?

Gayla J. Delly reported receiving a grant of 313 shares of Martin Marietta Materials common stock. The Form 4 shows this as a non-derivative equity award at $0.00 per share, increasing her directly held position to 313 shares after the transaction.

Was the Gayla J. Delly MLM stock transaction a purchase or an award?

The transaction was an equity award, not an open-market purchase. The Form 4 lists it under code A as a “Grant, award, or other acquisition,” with 313 shares of common stock received at a reported price of $0.00 per share.

How many Martin Marietta (MLM) shares does Gayla J. Delly hold after this Form 4?

After the reported transaction, Gayla J. Delly directly holds 313 shares of Martin Marietta Materials common stock. The Form 4 shows the full 313-share equity award and indicates this is her total direct ownership following the award on May 14, 2026.

What does transaction code A mean in the MLM Form 4 for Gayla J. Delly?

Transaction code A on the Form 4 indicates a grant, award, or other acquisition of shares. In this case, it reflects a 313-share equity award of Martin Marietta Materials common stock to director Gayla J. Delly at a reported price of $0.00 per share.

Did Gayla J. Delly sell any Martin Marietta (MLM) shares in this Form 4 filing?

No, the Form 4 only reports an acquisition of shares, not a sale. It shows a single transaction coded A, representing a 313-share grant of Martin Marietta Materials common stock, with no sell transactions or dispositions reported in this filing.