---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-057122"
form_type: "8-K"
ticker: "MLM"
cik: "0000916076"
company_name: "MARTIN MARIETTA MATERIALS INC"
filed_at: "2023-11-01T23:59:59+00:00"
generated_at: "2026-06-09T03:53:10.486696+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Martin Marietta reports record Q3 revenue $1.99B, EPS $6.94; raises EBITDA guidance

## Summary
- Record Q3 revenue $1,994M (+10% YoY); net earnings $430M ($6.94 diluted EPS) vs $291M ($4.67) prior year.
- Aggregates gross profit per ton rose 42.4% to $7.89; pricing up 20% despite 7.3% shipment decline.
- Closed sale of Tehachapi cement plant for $315M on Oct 31; proceeds earmarked for aggregates acquisitions.
- Raised full-year 2023 Adjusted EBITDA guidance to $2.05-2.15B; net earnings guidance $1.095-1.195B.
- Preliminary 2024 view: aggregates shipments flat, low double-digit pricing growth; demand from infrastructure and manufacturing.

## SEC filing metadata
- accession: 0000950170-23-057122
- form_type: 8-K
- ticker: MLM
- cik: 0000916076
- company_name: MARTIN MARIETTA MATERIALS INC
- filed_at: 2023-11-01T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/916076/000095017023057122/0000950170-23-057122-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/916076/000095017023057122/mlm-20231101.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-057122
- JSON: https://secwatch.observer/filing/0000950170-23-057122.json
- Plain text: https://secwatch.observer/filing/0000950170-23-057122.txt

## Key facts
- Earnings Releases
  MARTIN MARIETTA MATERIALS INC reported third quarter ended September 30, 2023 results: revenue 1,994.1, net income 430.3, EPS 6.94.
  - Period: third quarter ended September 30, 2023
  - Revenue: 1,994.1
  - Net income: 430.3
  - EPS: 6.94
  - Result: reported results
  source text: Martin Marietta Materials, Inc. (NYSE: MLM) (“Martin Marietta” or the “Company”), a leading national supplier of aggregates and heavy building materials, today reported results for the third quarter ended September 30, 2023. Third-Quarter Highlights (Financial highlights are for continuing operations) Quarter Ended September 30, (In millions, except per share) 2023 2022 % Change Total revenues 1 $ 1,994.1 $ 1,811.7 10.1% Gross profit $ 676.0 $ 487.8 38.6% Earnings from operations $ 566.6 $ 405.9 39.6% Net earnings from continuing operations attributable to Martin Marietta $ 430.3 $ 291.2 47.8% Adjusted EBITDA 2 $ 705.2 $ 533.1 32.3% Earnings per diluted share from continuing operations $ 6.94 $ 4.67 48.6%
  evidence_url: https://www.sec.gov/Archives/edgar/data/916076/000095017023057122/0000950170-23-057122-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.