Martin Marietta Materials Inc

Company facts

Industry

Mining & Quarrying of Nonmetallic Minerals (No Fuels)

Headquarters

Raleigh, North Carolina

Most recent report

8-K, filed Aug 24, 2026

Incorporated

North Carolina

Filings on record

1,003+ filings

On EDGAR

CIK 916076

Fiscal year ends

December

Filer status

Large accelerated filer

What to read: Jun 2026 10-Q

SECSift found 4 of 12 sections worth reading, with 1 positive, 7 notable, and 5 negative flags.

• Financial Statements (Item 1)

  Core financials with major pending acquisition and margin compression.
  Notable

  • Covenant amended post-LNA to allow 4.75x leverage for first three quarters after closing, up from 3.50x.
  Negative

  • Pending acquisition of LNA for $13.5B ($7B cash + $6.5B stock) expected H2 2026, materially expanding specialties.

• Management's Discussion (Item 2)

  Many company-specific results, debt ratings downgrade risk, covenant changes, pending LNA transaction.
  Positive

  • Specialties revenues surged 69% to $152M; gross profit up 39% to $50M.
  Notable

  • Trade receivables facility borrowing base increased $200M to $600M; $560M drawn after NFM acquisition.
  • Covenant amended to allow leverage up to 4.75x for three quarters after LNA closing.
  • $1.5B term loan commitment secured to fund pending LNA transaction.
  Negative

  • Net earnings from continuing ops fell 12% to $256M ($4.26/sh) from $292M ($4.84/sh).
  • All three credit ratings on negative watch: Fitch BBB+ Negative, Moody's Baa2 under review, S&P BBB+ CreditWatch Negative.

• Market Risk (Item 3)

  Borrowings jumped from $0 to $655M, a key debt and risk change.
  Negative

  • Borrowings surged from $0 to $655M, meaning the company now carries significant variable-rate debt, increasing interest rate risk.

• Risk Factors (Item 1A)

  New LNA acquisition risk factor: $13.5B deal, stock dilution, up to $7.0B new debt.
  Notable

  • Union representation in Building Materials jumped from 13% (Dec 2025) to 20% (Jun 2026).
  • Prior Woodville, OH June 2026 union contract expiration has been resolved; new expirations are 2027, 2028, 2030.
  • Consideration Shares will dilute existing shareholders – specific dilution ratio not disclosed here.
  Negative

  • Funding the $7.0B cash portion requires up to $7.0B of new third-party debt, increasing leverage significantly.

What changed: Jun 2026 vs. Mar 2026

About 17% of MLM's Jun 2026 10-Q is new information. 102 paragraphs were added, 154 changed, and 39 removed. Below are the most important lines SECSift identified.

• Item 1A 90
• Item 1 66
• Item 2 54
• Item 3 4
• Item 4 1
• Item 5 1
• Item 6 1