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AI brief of an SEC Form 8-K · Martin Marietta Materials (MLM)

Martin Marietta extends $800 million revolving credit facility maturity to December 21, 2030

Neutral Impact 2 of 5 financing Written later

Martin Marietta Materials amended its $800 million five-year senior unsecured revolving credit facility with JPMorgan Chase Bank, N.A. as administrative agent. The amendment extends the maturity date of loans under the facility to December 21, 2030. The filing is a routine financing amendment that extends the company's borrowing timeline without any stated change to the facility size.

Key points

  • Facility size is $800 million, a five-year senior unsecured revolving credit facility
  • Loan Modification No. 4 and Extension Agreement dated December 19, 2025
  • Maturity date extended to December 21, 2030
  • Full amendment filed as Exhibit 10.1

The filing

CompanyMartin Marietta Materials (MLM)
Form8-K, current report
Filed with the SECDec 19, 2025, 4:13 PM ET
Accession number0000950157-25-001013

Items reported: 1.01 Material Definitive Agreement2.03 New Direct Financial Obligation

Read the filing on SEC.gov ↗

Written by AI on Nov 8, 2026, 1:30 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on December 19, 2025.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.