Monitor regulatory approval timeline (HSR filing due within 15 business days; long-stop date Oct 31, 2026, extendable to June 15, 2027). The stock issuance will dilute existing holders by ~15%, but the acquisition diversifies MLM's product mix into lime and industrial minerals, a high-margin adjacent market. Watch for any antitrust remedy requirements that could alter deal economics.
Price Chart
Executive Summary
Martin Marietta Materials (MLM) entered into a definitive agreement to acquire Lhoist North America (LNA), a lime and industrial minerals business, for $13.5 billion in a cash-and-stock deal. The consideration consists of $7 billion in cash and 10,953,543 newly-issued MLM shares valued at $6.5 billion. The transaction is transformative, adding a complementary product line and scale in North America, but requires regulatory clearance and will result in approximately 15% dilution to existing shareholders.
Key Financial Metrics
Key Facts
- Total consideration of $13.5 billion: $7 billion cash plus 10,953,543 MLM shares valued at $6.5 billion
- MLM secured a $7.0 billion bridge loan facility from Goldman Sachs to fund the cash portion
- LNA Holding will hold ~15% of MLM's outstanding common stock post-closing
- Lock-up on consideration shares: 50% released at 12 months, remaining 50% at 24 months
- LNA Holding gets one board seat and one non-voting observer, with rights phasing out as ownership falls below 10% and 7.5% thresholds
- Regulatory termination fee of $350 million payable by MLM if antitrust clearances not obtained by the extended long-stop date (June 15, 2027)
- Closing subject to HSR Act waiting period, other regulatory approvals, NYSE listing of shares, and no prohibitive order
Financial Impact
$13.5 billion acquisition ($7B cash + $6.5B stock); $7B bridge facility; ~15% dilution to existing shareholders
Risk Factors
- Regulatory denial or prolonged review could delay or block the transaction
- Integration of LNA's operations and culture may prove challenging
- Bridge financing increases leverage; refinancing risk if capital markets tighten
- Shareholder dilution of ~15% may pressure near-term EPS
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 5 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 8-K Filing (Primary) | 0000950157-26-000770 |
| Document: form8-k.htm | 0000950157-26-000770 |
| Document: 0000950157-26-000770-index-headers.html | 0000950157-26-000770 |
| Document: 0000950157-26-000770-index.html | 0000950157-26-000770 |
| Document: 0000950157-26-000770.txt | 0000950157-26-000770 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 24, 2026 5w ago | 8-K | $533.11 $499.67 | ▼ −6.27% | ▼ −6.29% | $483.99 (−9.21%) |
Aug 18, 2026 6w ago | 8-K | $535.53 $494.44 | ▼ −7.67% | ▼ −5.72% | $483.99 (−9.62%) |
Aug 14, 2026 6w ago | 8-K | $538.66 $506.81 | ▼ −5.91% | ▼ −3.94% | $483.99 (−10.15%) |
Aug 12, 2026 7w ago | 8-K | $544.76 $509.96 | ▼ −6.39% | ▼ −4.64% | $483.99 (−11.16%) |
Aug 10, 2026 7w ago | 424B5 | $549.54 $511.98 | ▼ −6.83% | ▼ −5.92% | $483.99 (−11.93%) |
Aug 10, 2026 7w ago | 8-K | $549.54 $511.98 | ▼ −6.83% | ▼ −5.92% | $483.99 (−11.93%) |
Aug 5, 2026 8w ago | 8-K | $538.28 $508.94 | ▼ −5.45% | ▼ −6.05% | $483.99 (−10.09%) |
Jul 30, 2026 9w ago | 8-K | $540.00 $528.59 | ▼ −2.11% | ▼ −6.08% | $483.99 (−10.37%) |
Jul 30, 2026 9w ago | Press Release | $540.00 $528.59 | ▼ −2.11% | ▼ −6.08% | $483.99 (−10.37%) |
Jul 9, 2026 12w ago | Press Release | $577.72 $548.57 | ▲ +5.05% | ▲ +7.47% | $483.99 (+16.22%) |
US Market Status
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