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Martin Marietta Materials8-K: Acquisition announced

Nears closing of $13.5B acquisition of Lhoist North America after receiving regulatory approval.

Source

SEC EDGARAug 5, 2026

Current report (Form 8-K)

Martin Marietta Materials 8-K

Filing excerpt

Martin Marietta will acquire all of the outstanding equity interests in Lhoist North America, Inc., which owns and operates the business of producing, distributing, marketing and selling lime, dolomitic lime, limestone- and dolomitic stone-based industrial minerals and products, and aggregates in North America, for $13.5 billion in cash and shares of Martin Marietta common stock (the “Transaction”).

sec.gov/Archives/edgar/data/916076/000095015726000850/form8-k.htmRead the full source

Other signals in this filing (2)

Extracted by Autobound

From the Signal API record
Signal
8-K: Acquisition announced

What this signalsIntegration work after a deal often opens needs for new systems and services.

Form
8-K
Filed
Aug 5, 2026

The full record

From the Signal API record

Numbers

Dollar figure
$13.5B (Acquisition of Lhoist North America, Inc.)

Details

CIK
916076
Accession number
0000950157-26-000850
Timeframe
Current quarter
Filing year
2026
Why it matters
Integration needs coming
Signal category
Strategic

Topics and mentions

Regions named

  • North America

Extraction

Confidence
High
Relevance
90%
Sentiment
Positive
Detected
Aug 11, 2026
signal_type
sec-8k
signal_subtype
acquisitionAnnounced

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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/f18413a9-cda4-4d08-9e5d-1ed52cbdb30a returns this record as JSON. POST /v1/companies/enrich returns every signal for martinmarietta.com.

{
  "signal_id": "f18413a9-cda4-4d08-9e5d-1ed52cbdb30a",
  "signal_type": "sec-8k",
  "signal_subtype": "acquisitionAnnounced",
  "detected_at": "2026-08-11T08:05:00.629+00:00",
  "company": {
    "name": "Martin Marietta Materials",
    "domain": "martinmarietta.com"
  },
  "data": {
    "detail": "The imminent closing of this massive $13.5B deal will trigger significant post-merger integration challenges, creating immediate needs for IT system consolidation, financial reporting alignment, and supply chain optimization. This is a prime opportunity for vendors as Martin Marietta seeks to standardize operations and realize synergies.",
    "metrics": {
      "timeframe": "current_quarter",
      "dollar_context": "Acquisition of Lhoist North America, Inc.",
      "dollar_millions": 13500
    },
    "summary": "Nears closing of $13.5B acquisition of Lhoist North America after receiving regulatory approval.",
    "excerpts": "Martin Marietta will acquire all of the outstanding equity interests in Lhoist North America, Inc., which owns and operates the business of producing, distributing, marketing and selling lime, dolomitic lime, limestone- and dolomitic stone-based industrial minerals and products, and aggregates in North America, for $13.5 billion in cash and shares of Martin Marietta common stock (the “Transaction”).",
    "relevance": 0.9,
    "sentiment": "positive",
    "confidence": "high",
    "source_url": "https://www.sec.gov/Archives/edgar/data/916076/000095015726000850/form8-k.htm",
    "filing_date": "2026-08-05",
    "filing_year": 2026,
    "sales_relevance": "Integration needs coming",
    "signal_category": "strategic",
    "regions_mentioned": [
      "North America"
    ]
  }
}

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