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Martin Marietta Materials8-K: Debt refinancing

Martin Marietta raises $5.5B in senior notes to fund acquisition of Lhoist North America.

What happened

The company issued $5.5 billion in senior notes, supplemented by a $1.5 billion term loan, to finance a major acquisition.

Source

SEC EDGARAug 14, 2026

Current report (Form 8-K)

Martin Marietta Materials 8-K

Filing excerpt

On August 14, 2026, Martin Marietta Materials, Inc. (“Martin Marietta”) issued $750 million aggregate principal amount of 4.850% Senior Notes due 2029 (the “2029 Notes”), $1,250 million aggregate principal amount of 5.200% Senior Notes due 2032 (the “2032 Notes”), $1,000 million aggregate principal amount of 5.400% Senior Notes due 2034 (the “2034 Notes”), $1,500 million aggregate principal amount of 5.625% Senior Notes due 2036 (the “2036 Notes”) and $1,000 million aggregate principal amount of 6.375% Senior Notes due 2056 (the “2056 Notes”...

sec.gov/Archives/edgar/data/916076/000119312526352270/d103352d8k.htmRead the full source

Other signals in this filing (2)

Extracted by Autobound

From the Signal API record
Signal
8-K: Debt refinancing

What this signalsFilings often name leadership changes, deals and spending plans.

Form
8-K
Filed
Aug 14, 2026

The full record

From the Signal API record

Numbers

Dollar figure
$5.5B (Aggregate principal amount of senior notes issued to fund the acquisition of Lhoist North America, Inc. This is part of a larger financing package that...)

Details

CIK
916076
Accession number
0001193125-26-352270
Timeframe
Current quarter
Filing year
2026
Why it matters
Capital available or pressure
Signal category
Financial

Topics and mentions

Vendors

  • Regions Bank
  • Robinson
  • Bradshaw & Hinson
  • P.A.
  • Cravath
  • Swaine & Moore LLP

Regions named

  • North America

Vendors named

  • Regions Bank
  • Robinson, Bradshaw & Hinson, P.A.
  • Cravath, Swaine & Moore LLP

Extraction

Confidence
High
Relevance
90%
Sentiment
Neutral
Detected
Aug 18, 2026
signal_type
sec-8k
signal_subtype
debtRefinancing

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This page shows a preview. The full sec-8k record in the Signal API and MCP can also have these 8 fields. Some fields are empty for some signals.

Company

  • linkedin_urlValue in the API
  • industriesValue in the API
  • employee_count_lowValue in the API
  • employee_count_highValue in the API
  • revenueValue in the API
  • descriptionValue in the API

Signal

  • signal_nameValue in the API
  • associationValue in the API
Show the full JSONThe record on this page and the API request

GET /v1/signals/4957d466-b1a7-4501-8f64-50933e4fa47f returns this record as JSON. POST /v1/companies/enrich returns every signal for martinmarietta.com.

{
  "signal_id": "4957d466-b1a7-4501-8f64-50933e4fa47f",
  "signal_type": "sec-8k",
  "signal_subtype": "debtRefinancing",
  "detected_at": "2026-08-18T07:06:12.261+00:00",
  "company": {
    "name": "Martin Marietta Materials",
    "domain": "martinmarietta.com"
  },
  "data": {
    "detail": "The company issued $5.5 billion in senior notes, supplemented by a $1.5 billion term loan, to finance a major acquisition. This large-scale M&A activity creates immediate needs for post-merger integration services, including consolidating IT systems, financial reporting, and operational processes.",
    "metrics": {
      "timeframe": "current_quarter",
      "dollar_context": "Aggregate principal amount of senior notes issued to fund the acquisition of Lhoist North America, Inc. This is part of a larger financing package that includes a $1.5B term loan.",
      "dollar_millions": 5500
    },
    "summary": "Martin Marietta raises $5.5B in senior notes to fund acquisition of Lhoist North America.",
    "excerpts": "On August 14, 2026, Martin Marietta Materials, Inc. (“Martin Marietta”) issued $750 million aggregate principal amount of 4.850% Senior Notes due 2029 (the “2029 Notes”), $1,250 million aggregate principal amount of 5.200% Senior Notes due 2032 (the “2032 Notes”), $1,000 million aggregate principal amount of 5.400% Senior Notes due 2034 (the “2034 Notes”), $1,500 million aggregate principal amount of 5.625% Senior Notes due 2036 (the “2036 Notes”) and $1,000 million aggregate principal amount of 6.375% Senior Notes due 2056 (the “2056 Notes”...",
    "relevance": 0.9,
    "sentiment": "neutral",
    "confidence": "high",
    "source_url": "https://www.sec.gov/Archives/edgar/data/916076/000119312526352270/d103352d8k.htm",
    "filing_date": "2026-08-14",
    "filing_year": 2026,
    "sales_relevance": "Capital available or pressure",
    "signal_category": "financial",
    "regions_mentioned": [
      "North America"
    ],
    "vendors_mentioned": [
      "Regions Bank",
      "Robinson, Bradshaw & Hinson, P.A.",
      "Cravath, Swaine & Moore LLP"
    ]
  }
}

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