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MLM
NYSE Energy & Transportation

Martin Marietta Locks In $5.5B Debt Pricing to Fund Lhoist Acquisition

Arie Shkolnikov · Analysis by Wiseek AI
More coverage: Building Materials Stocks · Materials
Sentiment info
Neutral
Importance info
8
Price
$543.9
Mkt Cap
$32.67B
52W Low
$523.48
52W High
$710.97
52W Position info
3.9% above low
Off High info
23% below high
Rel. Volume info
0.7× avg
Market data snapshot near publication time

MLM is trading near its 52-week low of $523.48 (3.9% above the low).

Summary

Martin Marietta priced $5.5 billion in senior notes across five tranches to fund its Lhoist North America acquisition, with rates from 4.850% to 6.375% and a special mandatory redemption if the deal doesn't close by June 2027.


Key Events · Financing and Capital Events · MLM

  • $5.5B Debt Offering Priced

    Five tranches: $750M 4.850% due 2029, $1.25B 5.200% due 2032, $1.0B 5.400% due 2034, $1.5B 5.625% due 2036, and $1.0B 6.375% due 2056.

  • Proceeds Fund Lhoist Acquisition

    Gross proceeds of approximately $5.488 billion, combined with a $1.5 billion term loan, cover the cash consideration for the $13.5 billion Lhoist North America acquisition.

  • Special Mandatory Redemption

    Notes redeemable at 101% of principal plus accrued interest if the acquisition is not consummated by June 15, 2027, or if the sale agreement is terminated.

  • Underwriting Syndicate

    Goldman Sachs, J.P. Morgan, Deutsche Bank, and Truist act as joint book-running managers, with eight additional co-managers.


Analysis · MLM · Energy & Transportation

The $5.5 billion multi-tranche senior notes offering is now fully priced, with coupons ranging from 4.850% to 6.375% across maturities spanning 2029 to 2056. A special mandatory redemption at 101% protects bondholders if the $13.5 billion Lhoist North America acquisition fails to close by June 15, 2027, while simultaneously committing the company to the deal. Gross proceeds of approximately $5.488 billion, together with a $1.5 billion term loan, cover the cash portion of the acquisition. All tranches priced slightly below par, reflecting current market conditions, but the successful execution of this large offering removes financing uncertainty for the transformative acquisition.

At the time of this filing, MLM was trading at $543.90 on NYSE in the Energy & Transportation sector, with a market capitalization of approximately $32.7B. The 52-week trading range was $523.48 to $710.97. This filing was assessed with neutral market sentiment and an importance score of 8 out of 10.

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MLM - Latest Insights

MLM
Aug 12, 2026, 6:55 AM EDT
Source: GlobeNewswire
Importance Score:
8
Price at Filing: $553.85
Real-time Price: $543.90 info
Change: -$9.95 (-2%) info
Market Cap: $32.67B info
MLM
Aug 11, 2026, 6:14 PM EDT
Source: Reuters
Importance Score:
8
Price at Filing: $553.85
Real-time Price: $543.90 info
Change: -$9.95 (-2%) info
Market Cap: $32.67B info
MLM
Aug 11, 2026, 5:29 PM EDT
Filing Type: FWP
Importance Score:
8
Price at Filing: $553.85
Real-time Price: $543.90 info
Change: -$9.95 (-2%) info
Market Cap: $32.67B info
MLM
Aug 10, 2026, 9:25 AM EDT
Filing Type: 424B5
Importance Score:
8
Price at Filing: $547.75
Real-time Price: $543.90 info
Change: -$3.85 (-0.70%) info
Market Cap: $32.67B info
MLM
Aug 10, 2026, 9:08 AM EDT
Filing Type: 8-K
Importance Score:
9
Price at Filing: $547.75
Real-time Price: $543.90 info
Change: -$3.85 (-0.70%) info
Market Cap: $32.67B info