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MLM
NYSE Energy & Transportation

Martin Marietta Issues $5.5B Senior Notes to Fund Lhoist Acquisition

Arie Shkolnikov · Analysis by Wiseek AI
More coverage: Building Materials Stocks · Materials
Sentiment info
Neutral
Importance info
7
Price
$547.93
Mkt Cap
$32.912B
52W Low
$523.48
52W High
$710.97
52W Position info
4.7% above low
Off High info
23% below high
Rel. Volume info
0.6× avg
Market data snapshot near publication time

MLM is trading near its 52-week low of $523.48 (4.7% above the low).

Summary

Martin Marietta issued $5.5 billion in senior notes across five tranches to fund its $13.5 billion acquisition of Lhoist North America, with proceeds combined with a $1.5 billion term loan.


Key Events · Financing and Capital Events · MLM

  • $5.5B Notes Issued

    Issued $750M 4.850% notes due 2029, $1.25B 5.200% notes due 2032, $1B 5.400% notes due 2034, $1.5B 5.625% notes due 2036, and $1B 6.375% notes due 2056.

  • Funding Lhoist Acquisition

    Net proceeds, together with a $1.5 billion term loan, will pay the cash consideration for the $13.5 billion Lhoist North America acquisition.

  • Special Mandatory Redemption

    If the acquisition is not consummated by June 15, 2027, or the sale agreement is terminated, Martin Marietta must redeem all notes at 101% of principal plus accrued interest.

  • Change of Control Repurchase

    Upon a change of control repurchase event, noteholders can require repurchase at 101% of principal plus accrued interest.


Analysis · MLM · Energy & Transportation

Martin Marietta completed its $5.5 billion multi-tranche senior notes offering, locking in fixed-rate financing for the $13.5 billion Lhoist North America acquisition. The notes carry coupons ranging from 4.850% to 6.375% and include a special mandatory redemption at 101% if the acquisition fails to close by June 15, 2027. This is a significant capital raise that solidifies the funding plan for the transformative acquisition, though it adds substantial leverage to the balance sheet.

At the time of this filing, MLM was trading at $547.93 on NYSE in the Energy & Transportation sector, with a market capitalization of approximately $32.9B. The 52-week trading range was $523.48 to $710.97. This filing was assessed with neutral market sentiment and an importance score of 7 out of 10.

View Main SEC Filing

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MLM - Latest Insights

MLM
Aug 12, 2026, 4:19 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $543.90
Real-time Price: $547.93 info
Change: +$4.03 (+0.74%) info
Market Cap: $32.912B info
MLM
Aug 12, 2026, 6:55 AM EDT
Source: GlobeNewswire
Importance Score:
8
Price at Filing: $553.85
Real-time Price: $547.93 info
Change: -$5.92 (-1%) info
Market Cap: $32.912B info
MLM
Aug 11, 2026, 6:14 PM EDT
Source: Reuters
Importance Score:
8
Price at Filing: $553.85
Real-time Price: $547.93 info
Change: -$5.92 (-1%) info
Market Cap: $32.912B info
MLM
Aug 11, 2026, 5:29 PM EDT
Filing Type: FWP
Importance Score:
8
Price at Filing: $553.85
Real-time Price: $547.93 info
Change: -$5.92 (-1%) info
Market Cap: $32.912B info
MLM
Aug 10, 2026, 9:25 AM EDT
Filing Type: 424B5
Importance Score:
8
Price at Filing: $547.75
Real-time Price: $547.93 info
Change: +$0.180 (+0.03%) info
Market Cap: $32.912B info