Dorothy Ables receives 313-share grant in MARTIN MARIETTA (NYSE: MLM)

Rhea-AI Filing Summary

Ables Dorothy M reported acquisition or exercise transactions in this Form 4 filing.

MARTIN MARIETTA MATERIALS INC director Dorothy M. Ables received a grant of 313 shares of Common Stock on May 14, 2026. The award was recorded at a price of $0.00 per share, indicating it is a compensation-related grant rather than an open-market purchase. After this grant, she directly holds 4,221 shares of the company’s common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Ables Dorothy M

Role null

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

Holdings After Transaction: Common Stock — 4,221 shares (Direct, null)

Footnotes (1)

Key Figures

Shares granted: 313 shares Grant price per share: $0.00 per share Shares held after grant: 4,221 shares +1 more

4 metrics

Shares granted 313 shares Common Stock grant to director on May 14, 2026

Grant price per share $0.00 per share Compensation-related stock award, not market purchase

Shares held after grant 4,221 shares Director Dorothy M. Ables direct ownership after transaction

Transaction code A (Grant, award, or other acquisition) Non-derivative Common Stock transaction classification

Key Terms

Form 4, Common Stock, Grant, award, or other acquisition, non-derivative

4 terms

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.

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""

non-derivative financial

""transaction_type": "non-derivative""

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^*

Ables Dorothy M

(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	4,221	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 Dorothy Ables report on this Form 4?

Dorothy M. Ables reported receiving a grant of 313 shares of MARTIN MARIETTA MATERIALS INC Common Stock. The transaction was coded as an award, meaning it is compensation-related rather than an open-market trade.

Was the MLM insider transaction by Dorothy Ables a stock purchase or a grant?

The transaction for MARTIN MARIETTA MATERIALS INC was a stock grant to director Dorothy M. Ables. It is classified as a grant or award acquisition, not an open-market purchase or sale of shares.

How many MLM shares does Dorothy Ables hold after this reported transaction?

After the reported grant, Dorothy M. Ables holds 4,221 shares of MARTIN MARIETTA MATERIALS INC Common Stock. This reflects her direct ownership position following the 313-share compensation award.

At what price were the 313 MLM shares granted to Dorothy Ables?

The 313 MARTIN MARIETTA MATERIALS INC Common Stock shares granted to Dorothy M. Ables were recorded at $0.00 per share. This indicates the shares were issued as a compensation grant, not bought in the market.

Does the MLM Form 4 filing show any insider sales by Dorothy Ables?

No insider sales are shown for Dorothy M. Ables in this Form 4. The filing only reports a grant of 313 Common Stock shares, increasing her directly held position to 4,221 shares.