Martin Marietta director acquires 78 stock units

MARTIN MARIETTA MATERIALS INC (MLM) reported that director David C. Wajsgras acquired 78 common stock units on August 31, 2026 under the company’s Common Stock Purchase Plan for Directors.

Rhea-AI Filing Summary

MARTIN MARIETTA MATERIALS INC (MLM) reported that director David C. Wajsgras acquired 78 common stock units on August 31, 2026 under the company’s Common Stock Purchase Plan for Directors. These units are to be settled in stock at a future date, and his direct holdings after the award total 5,106 shares.

Insider Trade Summary

Grant/Award: 78 shares

Grant/Award 1 txn

Insider WAJSGRAS DAVID C

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	78	$518.70	$40K

Holdings After Transaction: Common Stock — 5,106 shares (Direct)

Footnotes (1)

1. F1. Common stock units were accrued under the Martin Marietta Materials, Inc. Common Stock Purchase Plan for Directors (the "Plan") and are to be settled in stock in a lump sum or in installments not to exceed 10 years commencing on (i) the date the reporting person ceases to be a Non-Employee Director, (ii) the date that is one month and one year following the date the reporting person ceases to be a Non-Employee Director, or (iii) the date elected by the Non-Employee Director that is later than the third anniversary of the date the fees are earned, in accordance with the reporting person's election under the Plan.

Key Figures

Shares acquired: 78 shares Grant value per share: $518.70 per share Total direct holdings after transaction: 5,106 shares +1 more

4 metrics

Shares acquired 78 shares Grant or award on August 31, 2026

Grant value per share $518.70 per share Price reported for the August 31, 2026 award

Total direct holdings after transaction 5,106 shares Direct ownership position following the award

Maximum deferral period 10 years Maximum period for installment settlement under the director Plan

Key Terms

Common Stock Purchase Plan for Directors, common stock units, Non-Employee Director

3 terms

Common Stock Purchase Plan for Directors financial

"Common stock units were accrued under the Martin Marietta Materials, Inc. Common Stock Purchase Plan for Directors"

common stock units financial

"Common stock units were accrued under the Martin Marietta Materials, Inc. Common Stock Purchase Plan"

A common stock unit is a tradable ownership interest that represents one or more ordinary shares in a company, giving the holder a stake in profits, a claim on assets after creditors, and usually voting rights on corporate matters. For investors it matters because these units determine how much of the company you own, how much influence you have, and how returns or losses are shared—think of owning slices of a pie that can be increased or diluted by the company’s actions.

Non-Employee Director financial

"the date the reporting person ceases to be a Non-Employee Director"

FAQ

What transaction did MLM director David C. Wajsgras report on this Form 4?

He reported an award of 78 common stock units on August 31, 2026, classified as a grant or other acquisition under Martin Marietta’s Common Stock Purchase Plan for Directors.

How many MLM shares does David C. Wajsgras hold after this transaction?

Following the reported award, David C. Wajsgras’ direct holdings total 5,106 shares of Martin Marietta Materials, Inc. common stock.

At what value were the new MLM stock units credited to David C. Wajsgras?

The 78 common stock units were credited at $518.70 per unit, as reported for the August 31, 2026 grant under the director stock purchase plan.

When will the awarded MLM common stock units be settled for David C. Wajsgras?

The footnote states the common stock units will be settled in stock in a lump sum or installments, commencing after he ceases to be a Non-Employee Director or on another deferred date elected under the Plan, up to 10 years later.

Was the MLM Form 4 transaction by David C. Wajsgras made under a Rule 10b5-1 trading plan?

No. The filing’s Rule 10b5-1 checkbox is not affirmatively marked, and there is no indication in the footnotes that this grant was made under a Rule 10b5-1 trading plan.

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Available on EDGAR 09/02/2026 - 04:36 PM Accepted by SEC EDGAR 09/02/2026 - 04:35 PM 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^*

WAJSGRAS DAVID C

(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)
08/31/2026

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	08/31/2026		A		78(1)	A	$518.7	5,106	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:

1. Common stock units were accrued under the Martin Marietta Materials, Inc. Common Stock Purchase Plan for Directors (the "Plan") and are to be settled in stock in a lump sum or in installments not to exceed 10 years commencing on (i) the date the reporting person ceases to be a Non-Employee Director, (ii) the date that is one month and one year following the date the reporting person ceases to be a Non-Employee Director, or (iii) the date elected by the Non-Employee Director that is later than the third anniversary of the date the fees are earned, in accordance with the reporting person's election under the Plan.

	/s/ Sara W. Brown, attorney-in-fact	09/02/2026
	** 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)