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Get filing alertsMartin Marietta clears regulatory hurdles for $13.5B Lhoist North America acquisition
Filed August 5, 2026 · Period ending August 5, 2026 · ~1 min read
Key Changes
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All regulatory approvals received for $13.5B acquisition of Lhoist North America (cash and stock); transaction now expected to close in Q3 2026 subject to customary closing conditions.
Item 8.01 — Other Events verify on EDGAR → -
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Upon closing, Martin Marietta expects to become the nation's leading producer of lime and limestone solutions, expanding beyond core aggregates into specialty chemical products for environmental, industrial, and agricultural applications.
Exhibit 99.1 view on EDGAR →
Summary
Martin Marietta announced it has received all necessary regulatory approvals for its $13.5 billion acquisition of Lhoist North America, originally announced June 27, 2026. The transaction, structured as a combination of cash and Martin Marietta stock, is now expected to close in the third quarter of 2026 pending customary closing conditions.
Lhoist operates lime, dolomitic lime, limestone-based industrial minerals, and aggregates businesses across North America. The regulatory clearance removes a key uncertainty and moves the deal from review to final closing preparations.
Upon completion, Martin Marietta expects to become the leading U.S. producer of lime and limestone solutions, representing a significant expansion beyond its core aggregates business into specialty chemical products used in environmental, industrial, and agricultural applications. The $13.5 billion price tag makes this a transformational acquisition for the company. Investors should watch for the actual closing announcement and any updates on integration plans or financing details as the Q3 close approaches.
Section-by-Section Diff
Event · Exhibit 99.1
Added in current filing · view on EDGAR →
Martin Marietta Materials, Inc. (NYSE: MLM) (Martin Marietta or the Company), today announced that it has received all necessary regulatory approvals for its previously announced combination with Lhoist North America, Inc. (LNA). The transaction is now expected to close in the third quarter of 2026, subject to customary closing conditions.
Martin Marietta has cleared all regulatory hurdles for its acquisition of Lhoist North America. The transaction is now expected to close in the third quarter of 2026, pending customary closing conditions. This moves the deal from regulatory review to final closing preparations.
Event · Item 8.01 — Other Events
Item 8.01 — Other Events filed; see Key Changes for terms.
Added in current filing · verify on EDGAR →
On August 5, 2026, Martin Marietta issued a press release announcing that it has received all necessary regulatory approvals with respect to the Transaction. Martin Marietta expects the Transaction to close in the third quarter of 2026, subject to customary closing conditions.
Martin Marietta has cleared all regulatory hurdles for its acquisition of Lhoist North America, which produces lime, dolomitic lime, limestone-based industrial minerals, and aggregates. The company now expects to close the transaction in Q3 2026, subject to customary closing conditions. This is a significant milestone removing a key uncertainty for the deal.
Added in current filing · verify on EDGAR →
on June 27, 2026, Martin Marietta Materials, Inc., a North Carolina corporation (“Martin Marietta” or the “Company”), and LNA Holding SRL, a société à responsabilité limitée organized under the laws of Belgium, entered into a Securities Sale Agreement, pursuant to which Martin Marietta will acquire all of the outstanding equity interests in Lhoist North America, Inc., which owns and operates the business of producing, distributing, marketing and selling lime, dolomitic lime, limestone- and dolomitic stone-based industrial minerals and products, and aggregates in North America, for $13.5 billion in cash and shares of Martin Marietta common stock
The filing recaps the previously announced acquisition agreement signed June 27, 2026. Martin Marietta will acquire all equity interests in Lhoist North America for $13.5 billion in a combination of cash and Martin Marietta stock. Lhoist operates lime, dolomitic lime, limestone-based industrial minerals, and aggregates businesses in North America. This is a transformational acquisition representing significant expansion of Martin Marietta's product portfolio beyond its core aggregates business.
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Figures/quotes linked to EDGAR · Narrative written by AI · Aug 6, 2026 · How we verify