Martin Marietta (NYSE: MLM) director gets 337-share grant

Rhea-AI Filing Summary

MARTIN MARIETTA MATERIALS INC (MLM) reported that director Philipp Niemann received a grant of 337 shares of Common Stock on 2026-08-21, classified as a "grant, award, or other acquisition." The shares were acquired at a stated price of $0.0000 per share, bringing Niemann's directly held position to 337 shares.

Insider Trade Summary

Net Buyer: 337 shares

Net Buy 1 txn

Insider Niemann Philipp

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	337	$0.00	$0.00

Holdings After Transaction: Common Stock — 337 shares (Direct)

Key Figures

Shares acquired: 337 shares of Common Stock Transaction price per share: $0.0000 per share Shares owned after transaction: 337 shares of Common Stock

3 metrics

Shares acquired 337 shares of Common Stock Grant, award, or other acquisition on 2026-08-21

Transaction price per share $0.0000 per share Reported award price for 337-share grant

Shares owned after transaction 337 shares of Common Stock Directly held by Philipp Niemann following the grant

Key Terms

grant, award, or other acquisition, Form 4, Common Stock, Power of Attorney

4 terms

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.

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.

Power of Attorney regulatory

"remarks: "Exhibit 24.1 - Power of Attorney""

A power of attorney is a legal document that allows one person to make decisions and act on behalf of another person, often in financial or legal matters. It’s like giving someone a trusted helper or agent the authority to handle important tasks if you are unable to do so yourself. This matters to investors because it can impact how their assets are managed or transferred if they become unable to oversee their affairs.

FAQ

What insider transaction did MLM report for director Philipp Niemann?

MLM reported that director Philipp Niemann received a grant of 337 shares of Common Stock on 2026-08-21 as a grant, award, or other acquisition, at a stated price of $0.0000 per share, resulting in 337 shares of Common Stock held directly.

How many MLM shares does Philipp Niemann hold after this Form 4 transaction?

After the reported transaction, Philipp Niemann directly holds 337 shares of MLM Common Stock, according to the Form 4 data.

What was the transaction type reported for Philipp Niemann in MLM’s Form 4?

The transaction was coded as A, described as a grant, award, or other acquisition of MLM Common Stock, rather than an open-market purchase or sale.

What price per share was reported for Philipp Niemann’s MLM stock grant?

The Form 4 lists a transaction price of $0.0000 per share for the 337 shares of MLM Common Stock granted to Philipp Niemann, consistent with a compensation-related stock award.

Is Philipp Niemann’s ownership in MLM classified as direct or indirect?

Philipp Niemann’s ownership of the 337 shares of MLM Common Stock reported in this Form 4 is classified as direct ownership.

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/25/2026 - 04:16 PM Accepted by SEC EDGAR 08/25/2026 - 04:15 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^*

Niemann Philipp

(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)
08/21/2026

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	08/21/2026		A		337	A	$0	337	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:

Remarks:

Exhibit 24.1 - Power of Attorney

	/s/ Sara W. Brown, attorney-in-fact	08/25/2026
	** 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)