[8-K] Martin Marietta Materials Reports Material Event

Rhea-AI Filing Summary

Martin Marietta Materials (NYSE: MLM) filed an 8-K on 4-Aug-2025 covering Items 2.02 and 7.01.

• Preliminary Q2-25 results: Headline figures were not disclosed; full financials and 2025 guidance will be released 7-Aug-2025 before market open, followed by a 10:00 a.m. ET conference call.
• Quikrete asset swap: On 3-Aug-2025 MLM agreed to transfer its Midlothian, TX cement plant and North-Texas ready-mix sites to Quikrete in exchange for Quikrete’s aggregates operations in Virginia, Missouri, Kansas and Western Canada plus $450 million cash.
• Premier Magnesia acquisition closed: Adds magnesia-based product facilities in NV, NC, IN and PA, broadening the Magnesia Specialties segment.

The 8-K is furnished (not filed) and therefore not subject to Section 18 liability. Management issued extensive forward-looking-statement disclaimers, citing macro, regulatory, supply-chain and weather risks that could affect future results.

Positive

• $450 million cash inflow enhances liquidity and strategic flexibility.
• Exchange adds aggregates assets in multiple regions, reinforcing MLM’s core, higher-margin business.
• Completion of Premier Magnesia acquisition broadens specialty product portfolio and geographic reach.

Negative

• Divestiture of Midlothian cement and North-Texas ready-mix operations reduces vertical integration in a high-growth market.
• No preliminary Q2 financial metrics provided, limiting transparency ahead of the earnings call.
• Asset swap and acquisition introduce integration and potential regulatory approval risks.

Insights

M&A Specialist

TL;DR: Cash-plus-aggregates swap strengthens core franchise; integration and regulatory reviews are key execution risks.

Divesting cement/ready-mix for $450 million and geographically diverse aggregates assets realigns MLM toward its higher-margin, core aggregates platform while improving liquidity. The cash component can fund debt reduction or bolt-on deals. Aggregates facilities in VA, MO, KS and Western Canada deepen exposure to infrastructure spending corridors. However, the loss of vertical integration in North Texas and potential antitrust review of overlapping quarries temper upside. Overall impact: strategically positive.

Equity Research Analyst

TL;DR: Portfolio reshuffle supports margin mix; lack of numerical Q2 data limits immediate valuation impact.

The press release heralds Q2 strength but withholds metrics, so near-term earnings revisions await 7-Aug. The Premier Magnesia deal scales a niche, higher-margin chemical line, modestly diversifying end-markets. Combined with the Quikrete exchange, MLM continues shifting capital toward aggregates and specialty materials—historically its most defensible earnings streams. Investors should monitor updated leverage ratios and any EPS dilution from lost cement EBITDA.

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D. C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 3, 2025

Martin Marietta Materials, Inc.

(Exact name of Registrant as Specified in Its Charter)

North Carolina (State or Other Jurisdiction of Incorporation)	001-12744 (Commission File Number)	56-1848578 (IRS. Employer Identification No.)
4123 Parklake Avenue Raleigh, North Carolina (Address of Principal Executive Offices)		27612 (Zip Code)
Registrant’s Telephone Number, Including Area Code: (919) 781-4550 (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Stock, $.01 par value per share		MLM		New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company  ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02  Results of Operations and Financial Condition

On August 4, 2025, Martin Marietta Materials, Inc. (“Martin Marietta” or the “Company”) issued a press release announcing preliminary financial results for the second quarter ended June 30, 2025.  The Company will provide full second-quarter results and full-year outlook during its second-quarter 2025 earnings conference call on Thursday, August 7, 2025, at 10:00 a.m. Eastern Time. The Company will release full results for the quarter ended June 30, 2025, that morning before the market opens.  A copy of the press release is attached hereto as Exhibit 99.1 and incorporated by reference herein.

The information in Item 2.02 of this Current Report on Form 8-K, including Exhibit 99.1 attached hereto, is being furnished to the U.S. Securities and Exchange Commission (the “SEC”) and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section. This information shall not be deemed to be incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Item 7.01.  Regulation FD Disclosure.

On August 4, 2025, the Company also announced in the same press release (i) the execution of an Equity and Asset Exchange Agreement, dated August 3, 2025 (the “Exchange Agreement”), by and between the Company and Quikrete Holdings, Inc., a Delaware corporation (“Quikrete”), pursuant to which the Company has agreed to transfer to Quikrete its assets primarily related to its cement and ready-mix concrete operations at its Midlothian cement plant and North Texas ready-mix concrete sites in exchange for Quikrete’s assets primarily related to its aggregates operations at its aggregates sites in Virginia, Missouri, Kansas and Western Canada and $450 million in cash and (ii) the completion of the Company’s acquisition of Premier Magnesia, LLC, a privately-owned producer of magnesia-based products with operations in Nevada, North Carolina, Indiana and Pennsylvania.

The information in Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.1 attached hereto, is being furnished to the SEC and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of that section. This information shall not be deemed to be incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Forward-Looking Statements

Investors are cautioned that all statements in this Current Report on Form 8-K that relate to the future involve risks and uncertainties, and are based on assumptions that the Company believes in good faith are reasonable at the time the statements are made, but which may be materially different from actual results. Investors can identify these statements by the fact that they do not relate only to historical or current facts. The words “may”, “will”, “could”, “should”, “anticipate”, “believe”, “estimate”, “expect”, “forecast”, “intend”, “outlook”, “plan”, “project”, “scheduled” and other words of similar meaning in connection with future events or future operating or financial performance are intended to identify forward-looking statements. Any or all of Martin Marietta’s forward-looking statements in this release and in other publications may turn out to be wrong.

Second-quarter results and trends described in this release may not necessarily be indicative of the Company’s future performance. The Company’s outlook is subject to various risks and uncertainties and is based on assumptions that the Company believes in good faith are reasonable, but which may be materially different from actual results. Factors that the Company currently believes could cause actual results to differ materially from the forward-looking statements in this release (including the outlook and 2025 Guidance) include, but are not limited to: the ability of the Company to face challenges, including shipment declines resulting from economic and weather events beyond the Company’s control; a widespread decline in aggregates pricing, including a decline in aggregates shipment volume negatively affecting aggregates price; the  tendency of cement and ready mixed concrete sales being subject to significant changes in supply, demand and price fluctuations; the termination, capping and/or reduction or suspension of the federal and/or state fuel tax(es) or other revenue related to public construction; the impact of the new Administration on the amount available under and timing of federal and state infrastructure spending; the level and timing of federal, state or local transportation or infrastructure or public projects funding and any issues arising from such federal and state budgets, most particularly in Texas, North Carolina, Colorado, California, Georgia, Florida, Minnesota, Arizona, South Carolina and Iowa; the United States Congress' inability to reach agreement among themselves or with the Executive Branch on policy issues that impact the federal budget; the ability of states and/or other entities to finance approved projects either with tax revenues or alternative financing structures; levels of construction spending in the markets the Company serves; a reduction in defense spending and the subsequent impact on construction activity on or near military bases; a decline in energy-related construction activity resulting from a sustained period of low global oil prices or changes in oil production patterns or capital spending in response to such a decline, particularly in Texas; sustained high mortgage interest rates and other factors that have resulted in a slowdown in private construction in some geographies; unfavorable weather conditions, particularly Atlantic Ocean, Pacific Ocean and Gulf Coast storm and hurricane activity, wildfires, the late start to spring or the early onset of winter and the impact of a drought, excessive rainfall or extreme temperatures in the markets served by the Company, any of which can significantly affect production schedules, volumes, product and/or geographic mix and profitability; the volatility of fuel and energy costs, particularly diesel fuel, electricity, natural gas and the impact on the cost, or the availability generally, of other consumables, namely steel, explosives, tires and conveyor belts, and with respect to the Company’s Magnesia Specialties business, natural gas; costs of raw materials, including bitumen; continued increases in the cost of other repair and supply parts; construction labor shortages and/or supply chain challenges; labor relations risks, including unionization efforts, work stoppages or strikes, particularly in jurisdictions with increasing labor advocacy and evolving labor law frameworks; workforce demographics-related risks, including difficulty recruiting and retaining skilled employees, particularly for physically demanding roles in rural or less-populated markets; unexpected equipment failures, unscheduled maintenance, industrial accident or other prolonged and/or significant disruption to production facilities; the resiliency and potential declines of the Company’s various construction end-use markets; the potential negative impacts of outbreak of disease, epidemic or pandemic, or similar public health threat, or fear of such event, and its related economic or societal response, including any impact on the Company's suppliers, customers or other business partners as well as on its employees; the performance of the United States economy; governmental regulation, including environmental laws and climate change regulations at both the state and federal levels; future implementation of emissions-based taxes or carbon-pricing schemes and/or more stringent state or federal climate-related regulatory requirements that may materially increase cement operating costs or restrict cement production capacity; difficulty in securing timely land use approvals or environmental permits for development, expansion, or ongoing operations in the face of potentially shifting public and regulatory expectations; the outcome of environmental or land use-related proceedings, or increased costs associated with regulatory obligations linked to resource extraction, including site reclamation; transportation availability or a sustained reduction in capital investment by the railroads, notably the availability of railcars, locomotive power and the condition of rail infrastructure to move trains to supply the Company’s Texas, Southeast and Gulf Coast markets, including the movement of essential dolomitic lime for magnesia chemicals to the Company’s plant in Manistee, Michigan and its customers; increased transportation costs, including increases from higher or fluctuating passed-through energy costs or fuel surcharges, and other costs to comply with tightening regulations, as well as higher volumes of rail and water shipments; availability of trucks and licensed drivers for transport of the Company’s materials; availability and cost of construction equipment in the United States; weakening in the steel industry markets served by the Company’s dolomitic lime products; potential impact on costs, supply chain, oil and gas prices, or other matters relating to geopolitical conflicts, including the war between Russia and Ukraine, the war in Israel and related conflict in the Middle East and any potential conflict between China and Taiwan; trade disputes with one or more nations impacting the U.S. economy, including the impact of tariffs; unplanned changes in costs or realignment of customers that introduce volatility to earnings, including that of the Magnesia Specialties business; proper functioning of information technology and automated operating systems to manage or support operations; risks associated with third-party technology vendors, including exposure to cybersecurity vulnerabilities or service outages due to reliance on external software platforms or IT infrastructure; inflation and its effect on both production and interest costs; the concentration of customers in construction markets and the increased risk of potential losses on customer receivables; the impact of the level of demand in the Company’s end-use markets, production levels and management of production costs on the operating leverage and therefore profitability of the Company; the possibility that the expected synergies from acquisitions will not be realized or will not be realized within the expected time period, including achieving anticipated profitability to maintain compliance with the Company’s leverage ratio debt covenants; the strategic benefits, outlook, performance and opportunities expected as a result of acquisitions and portfolio optimization will not be realized; risks related to executive succession planning, retention and development of leadership talent critical to strategic execution, including potential adverse effects in the event of unexpected transitions or departures; changes in tax laws, the interpretation of such laws and/or administrative practices, including acquisitions or divestitures, that would increase the Company’s tax rate; violation of the Company’s debt covenants if price and/or volumes return to previous levels of instability; cybersecurity risks; downward pressure on the Company’s common stock price and its impact on goodwill impairment evaluations; the possibility of a reduction of the Company’s credit rating to non-investment grade; and other risk factors listed from time to time found in the Company’s filings with the SEC.

Statements regarding the proposed Quikrete transaction contain forward-looking statements that are subject to risks and uncertainties, including statements regarding the proposed acquisition. These statements are based on current expectations and assumptions that are subject to risks and uncertainties. Actual results may differ materially from those expressed or implied due to various factors including, but not limited to: the ability to obtain regulatory approvals, satisfy closing conditions, transaction costs, integration challenges, market conditions, the impact of the proposed transaction on the Company’s stakeholders, and other risks described in the Company’s Securities and Exchange Commission filings.

You should consider these forward-looking statements in light of risk factors discussed in Martin Marietta’s Annual Report on Form 10-K for the year ended December 31, 2024, and other periodic filings made with the SEC. All of the Company’s forward-looking statements should be considered in light of these factors. In addition, other risks and uncertainties not presently known to the Company or that it considers immaterial could affect the accuracy of its forward-looking statements, or adversely affect or be material to the Company. The Company assumes no obligation to update any such forward-looking statements.

Item 9.01.  Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.	Description of Exhibit
99.1	Press Release, dated August 4, 2025

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 hereunto duly authorized.

	MARTIN MARIETTA MATERIALS, INC.
Date:  August 4, 2025	By:	/s/ Bradley D. Kohn
		Name:	Bradley D. Kohn
		Title:	Senior Vice President, General Counsel and Corporate Secretary

FAQ

When will Martin Marietta (MLM) release full Q2-25 results?

The company will publish complete results on 7 Aug 2025 before market open and host a 10:00 a.m. ET call.

What assets are included in the Quikrete exchange with MLM?

MLM transfers its Midlothian, TX cement plant & North-Texas ready-mix sites and receives aggregates sites in VA, MO, KS, Western Canada plus $450 million cash.

Has Martin Marietta completed the Premier Magnesia acquisition?

Yes. The deal is closed, adding magnesia-based operations in Nevada, North Carolina, Indiana and Pennsylvania.

Is the 8-K information considered 'filed' with the SEC?

No. Items 2.02 and 7.01 are furnished, not filed, and are therefore not subject to Section 18 liabilities.

How might the asset swap affect MLM’s strategic focus?

The trade shifts capital toward core aggregates, potentially raising margin stability but reducing cement exposure in Texas.