SEC Filing | Martin Marietta

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM SD

SPECIALIZED DISCLOSURE REPORT

MARTIN MARIETTA MATERIALS, INC.

(Exact Name of Registrant as Specified in its Charter)


North Carolina	001-12744	56-1848578
(State or other jurisdiction of incorporation or organization)	(Commission File Number)	(I.R.S. Employer Identification No.)
4123 Parklake Avenue, Raleigh, NC		27612
(Address of principal executive offices)		(Zip Code)

Michael J. Petro

(919) 781-4550

(Name and telephone number, including area code, of the person to contact in connection with this report)

Check the appropriate box to indicate the rule pursuant to which this form is being filed, and provide the period to which the information in this form applies:


	☐ Rule 13p-1 under the Securities Exchange Act (17 CFR 240.13p-1) for the reporting period from January 1 to December 31, 2025.
	☒ Rule 13q-1 under the Securities Exchange Act (17 CFR 240.13q-1) for the fiscal year ended December 31, 2025.

Section 2 – Resource Extraction Issuer Disclosure.

Item 2.01 Resource Extraction Issuer Disclosure and Report.

Disclosure of Payments by Resource Extraction Issuers

The specified payment disclosure required by Form SD is included in Exhibit 2.01 to this Form SD.

Section 3 – Exhibits.

Item 3.01 Exhibits.

The following exhibit is included as part of this report.


2.01		Disclosure of Payments by Resource Extraction Issuers for the year ended December 31, 2025 furnished in XBRL.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.


	MARTIN MARIETTA MATERIALS, INC.
	(Registrant)

By:	/s/ Michael J. Petro	September 18, 2026
	Michael J. Petro	(Date)
	Executive Vice President and
	Chief Financial Officer

EX-2.01

Exhibit 2.01

Total payments by payee for the year ended December 31, 2025 (US Dollars (USD) in Millions):


Country	Subnational Governmental Entity / Payee	Taxes 1		Royalties		Payment Amount
US	Department of Treasury 2	$	141.6	$	—	$	141.6
US	Bureau of Land Management		—		2.0		2.0
Total US							143.6
CA	Canada Revenue Agency 3		0.9		—		0.9
CA	Municipality of Guysborough 3		0.3		—		0.3
Total CA							1.2
Total						$	144.8

Total payments to governments by project for the year ended December 31, 2025 (USD in Millions):


Project	Country	Business Segment	Subnational Governmental Entity / Payee	Taxes 1		Royalties		Payment Amount
Payments not attributable to a project: 4
Martin Marietta Materials, Inc.	US		Department of Treasury 2	$	141.6	$	—	$	141.6
Martin Marietta Materials Canada Limited	CA		Canada Revenue Agency 3		0.9		—		0.9
Payments attributable to a project:
CA-NS/sand/gravel/stone/Open Pit	CA	East Group	Municipality of Guysborough 3		0.3		—		0.3
US-WY/sand/gravel/stone/Open Pit	US	West Group	Bureau of Land Management		—		1.1		1.1
US-UT/sand/gravel/stone/Open Pit	US	West Group	Bureau of Land Management		—		0.5		0.5
US-CO/sand/gravel/stone/Open Pit	US	West Group	Bureau of Land Management		—		0.4		0.4
								$	144.8

Total payments by payment type for the year ended December 31, 2025 (USD in Millions):


Payment Type	Payment Amount
Taxes 1,2,3	$	142.8
Royalties		2.0
Total	$	144.8

1 All income and property tax amounts are presented as gross payments, without reduction for any refunds or interest received.

2 Of the total federal tax payment to the U.S. Department of Treasury, $0.1 million was made by a joint venture, American Stone Company, of which the issuer is the controlling entity.

3 Tax payments to the Canadian government entities were made in Canadian Dollars (CAD) and are reported in USD in the above tables. Payments were converted to USD using the exchange rate as of the fiscal year end. The exchange rate as of December 31, 2025 was $1 USD = $1.371481 CAD.

4 Where taxes paid to governments cannot be attributable to a project, the applicable entity has been referenced.