# MARTIN MARIETTA MATERIALS INC (MLM) — divestiture/asset_sale [pending]
Source: SEC API (secapi.ai) · situation sit_5c8b6c67492033a00c05 · retrieved 2026-08-11T16:13:53.442Z

## Overview
Martin Marietta Materials is a leading national supplier of aggregates and other building materials, with operations spanning 29 states, Canada, and The Bahamas, and a Specialties business providing high-purity magnesia and dolomitic lime products.

Martin Marietta Materials entered into a definitive agreement on June 27, 2026, to combine with Lhoist North America (LNA), a subsidiary of Lhoist Group and the nation's leading producer of high-calcium lime, dolomitic lime, and industrial mineral products. The transaction is valued at approximately $13.5 billion, consisting of cash and shares of Martin Marietta common stock. The combination is expected to close in the second half of 2026, subject to regulatory approvals and other customary closing conditions. The transaction advances Martin Marietta's SOAR 2030 objective to expand its differentiated upstream Specialties platform and establishes Martin Marietta as the nation's leading producer of limestone products.

## Terms
- Counterparty: Lhoist North America (subsidiary of Lhoist Group) · Deal value: $13.50B · Consideration: mixed

## Key dates
- Announced 2026-07-30

## Timeline
- 2026-07-30 · 8-K (0001193125-26-324863): 8-K - MARTIN MARIETTA MATERIALS INC — *Martin Marietta Materials is a leading national supplier of aggregates and other building materials, with operations spanning 29 states, Canada, and The Bahamas, and a Specialties business providing high-purity magnesia and dolomitic lime products.* Martin Marietta Materials entered into a definitive agreement on June 27, 2026, to combine with Lhoist North America (LNA), a subsidiary of Lhoist Group and the nation's leading producer of high-calcium lime, dolomitic lime, and industrial mineral products. The transaction is valued at approximately $13.5 billion, consisting of cash and shares of Martin Marietta common stock. The combination is expected to close in the second half of 2026, subject to regulatory approvals and other customary closing conditions. The transaction advances Martin Marietta's SOAR 2030 objective to expand its differentiated upstream Specialties platform and establishes Martin Marietta as the nation's leading producer of limestone products.
  https://www.sec.gov/Archives/edgar/data/916076/0001193125-26-324863.txt

## Citations
- 0001193125-26-324863 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000119312526324863