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Martin Marietta Materials8-K: Debt refinancing

Martin Marietta raises $5.5B in a multi-tranche senior notes offering

What happened

The company secured $5.5 billion in new capital through a senior notes offering, indicating preparation for significant financial activities such as acquisitions, capital expenditures, or refinancing existing debt.

Source

SEC EDGARAug 12, 2026

Current report (Form 8-K)

Martin Marietta Materials 8-K

Filing excerpt

In connection with the offering of $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” and, together with the 2029 Notes, 2032 Notes, 2034 Notes and 2036 Notes, the “Notes”) on August 11, 2026, Martin Marietta Materials, Inc. (“Martin Marietta” or the “Company”) entered into an underwriting agreement...

sec.gov/Archives/edgar/data/916076/000119312526346914/d149482d8k.htmRead the full source

Other signals in this filing (1)

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 12, 2026

The full record

From the Signal API record

Numbers

Dollar figure
$5.5B (Total aggregate principal amount of senior notes offering.)

Details

CIK
916076
Accession number
0001193125-26-346914
Timeframe
Immediate
Filing year
2026
Why it matters
Capital available or pressure
Signal category
Financial

Topics and mentions

Vendors

  • Goldman Sachs & Co. LLC
  • J.P. Morgan Securities LLC
  • Deutsche Bank Securities Inc.
  • Truist Securities
  • Inc.

Vendors named

  • Goldman Sachs & Co. LLC
  • J.P. Morgan Securities LLC
  • Deutsche Bank Securities Inc.
  • Truist Securities, Inc.

Extraction

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

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The API returns more than this page shows

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/fc352ec7-cc43-4c83-8335-9d4133d5ab0e returns this record as JSON. POST /v1/companies/enrich returns every signal for martinmarietta.com.

{
  "signal_id": "fc352ec7-cc43-4c83-8335-9d4133d5ab0e",
  "signal_type": "sec-8k",
  "signal_subtype": "debtRefinancing",
  "detected_at": "2026-08-18T07:08:25.551+00:00",
  "company": {
    "name": "Martin Marietta Materials",
    "domain": "martinmarietta.com"
  },
  "data": {
    "detail": "The company secured $5.5 billion in new capital through a senior notes offering, indicating preparation for significant financial activities such as acquisitions, capital expenditures, or refinancing existing debt. This large influx of cash creates budget for major strategic projects and vendor engagements.",
    "metrics": {
      "timeframe": "immediate",
      "dollar_context": "Total aggregate principal amount of senior notes offering.",
      "dollar_millions": 5500
    },
    "summary": "Martin Marietta raises $5.5B in a multi-tranche senior notes offering",
    "excerpts": "In connection with the offering of $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” and, together with the 2029 Notes, 2032 Notes, 2034 Notes and 2036 Notes, the “Notes”) on August 11, 2026, Martin Marietta Materials, Inc. (“Martin Marietta” or the “Company”) entered into an underwriting agreement...",
    "relevance": 0.9,
    "sentiment": "neutral",
    "confidence": "high",
    "source_url": "https://www.sec.gov/Archives/edgar/data/916076/000119312526346914/d149482d8k.htm",
    "filing_date": "2026-08-12",
    "filing_year": 2026,
    "sales_relevance": "Capital available or pressure",
    "signal_category": "financial",
    "vendors_mentioned": [
      "Goldman Sachs & Co. LLC",
      "J.P. Morgan Securities LLC",
      "Deutsche Bank Securities Inc.",
      "Truist Securities, Inc."
    ]
  }
}

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