---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-22-020970"
form_type: "8-K"
ticker: "MLM"
cik: "0000916076"
company_name: "MARTIN MARIETTA MATERIALS INC"
filed_at: "2022-11-02T23:59:59+00:00"
generated_at: "2026-06-22T16:34:09.672299+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "low"
source: SEC EDGAR
---

# Martin Marietta reports Q3 2022 results; no specific figures in filing excerpt

## Summary
- Earnings for quarter ended September 30, 2022 announced on November 2, 2022.
- Press release furnished as Exhibit 99.1 contains full financial results.
- Company will host earnings conference call on November 2, 2022 at 11:00 a.m. ET.
- Non-GAAP financial measures and additional details available on company website.

## SEC filing metadata
- accession: 0000950170-22-020970
- form_type: 8-K
- ticker: MLM
- cik: 0000916076
- company_name: MARTIN MARIETTA MATERIALS INC
- filed_at: 2022-11-02T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: low
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/916076/000095017022020970/0000950170-22-020970-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/916076/000095017022020970/mlm-20221102.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-22-020970
- JSON: https://secwatch.observer/filing/0000950170-22-020970.json
- Plain text: https://secwatch.observer/filing/0000950170-22-020970.txt

## Key facts
- Earnings Releases
  MARTIN MARIETTA MATERIALS INC reported financial results for the third quarter ended September 30, 2022.
  - Period: the third quarter ended September 30, 2022
  - Result: reported results
  source text: On, November 2, 2022 the Company announced financial results for the third quarter ended September 30, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/916076/000095017022020970/0000950170-22-020970-index.htm

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