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What Martin Marietta Materials's 8-K filings say: 10 filings, latest Sep 16, 2026

Martin Marietta Materials filed its latest 8-K with the SEC on Sep 16, 2026. It discusses debt refinancing and material contract.

Public (MLM)Accounting5,001 to 10,000 employeesmartinmarietta.comLinkedIn

Filed
Sep 16, 2026
Filings
10
Signals
29

8-K · latest 10

What Martin Marietta Materials's 8-K filings say

  1. 8-K

    Filed · 2 signals

    SEC EDGAR

  2. 8-K

    Filed · 4 signals

    SEC EDGAR

  3. 8-K

    Filed · 4 signals

    SEC EDGAR

  4. 8-K

    Filed · 3 signals

    SEC EDGAR
    • Acquisition announcedNeutral

      Martin Marietta raises $5.5B in debt to fund acquisition of Lhoist North America

      The company is raising $5.5 billion in senior notes, in addition to a $1.5 billion term loan, to finance the acquisition of Lhoist North America.

      $5.5B

      Aggregate principal amount of senior notes issued to help fund the acquisition of Lhoist North America, Inc. An additional $1.5B term loan was also secured.

      Regions BankRobinson, Bradshaw & Hinson, P.A.Cravath, Swaine & Moore LLP

  5. 8-K

    Filed · 2 signals

    SEC EDGAR
    • Debt refinancingNeutral

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

      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.

      $5.5B

      Total aggregate principal amount of senior notes offering.

      Goldman Sachs & Co. LLCJ.P. Morgan Securities LLCDeutsche Bank Securities Inc.Truist Securities, Inc.

  6. 8-K

    Filed · 3 signals

    SEC EDGAR

  7. 8-K

    Filed · 3 signals

    SEC EDGAR

Earlier 8-K filings

Showing 10 of 29 filing signals. The Signal API returns all of them.

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Signal API · MCP

Track Martin Marietta Materials with the Signal API

One POST /v1/companies/enrich call with martinmarietta.com returns Martin Marietta Materials 8-K signals (sec-8k), each with its source. Or ask Claude through MCP.

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2 credits per signal returned; zero-result calls are free. Endpoint reference

curl -X POST https://signals.autobound.ai/v1/companies/enrich \
  -H "X-API-KEY: $AUTOBOUND_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"domain":"martinmarietta.com","signal_types":["sec-8k"],"limit":20}'

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Questions about Martin Marietta Materials 8-K

When did Martin Marietta Materials file its latest 8-K?
Martin Marietta Materials filed its latest 8-K on Sep 16, 2026. The one before it was filed on Aug 24, 2026.
What did Martin Marietta Materials disclose in its latest 8-K?
From the filing dated Sep 16, 2026: Martin Marietta amends its credit and security agreement with Truist Bank as of Sept 15, 2026.
Where can I read Martin Marietta Materials's 8-K filing?
The full filing is on SEC EDGAR: https://www.sec.gov/Archives/edgar/data/916076/000095015726001024/form8-k.htm. This page summarizes what the filing says and links to it.

Source. Current reports (Form 8-K) filed with the SEC. Every card links to the filing on EDGAR.

Method. Insights are extracted from the filing text and grouped by category. Numbers are quoted from the filing.

Data as of .

How this data is built →Get it from the Signal API →