---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-060549"
form_type: "8-K"
ticker: "MLM"
cik: "0000916076"
company_name: "MARTIN MARIETTA MATERIALS INC"
filed_at: "2025-04-30T23:59:59+00:00"
generated_at: "2026-05-23T03:14:08.955931+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Martin Marietta Q1 2025: record adj EBITDA $351M; aggregates gross profit per ton up 16%

## Summary
- Revenue $1.35B +8% YoY; gross profit $335M +23% YoY; Adj EBITDA $351M +21% YoY.
- Aggregates shipments 39.0M tons (+7% YoY); ASP $23.77 (+7% YoY); gross profit per ton $7.60 (+16% YoY).
- Magnesia Specialties posted quarterly records for revenue ($87M) and gross profit ($38M).
- Full-year 2025 guidance unchanged: rev $6.83-7.23B; Adj EBITDA $2.15-2.35B; capex $725-775M.
- Returned $499M to shareholders via dividends and share repurchases in Q1; $101M cash on hand.

## SEC filing metadata
- accession: 0000950170-25-060549
- form_type: 8-K
- ticker: MLM
- cik: 0000916076
- company_name: MARTIN MARIETTA MATERIALS INC
- filed_at: 2025-04-30T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/916076/000095017025060549/0000950170-25-060549-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/916076/000095017025060549/mlm-20250430.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-060549
- JSON: https://secwatch.observer/filing/0000950170-25-060549.json
- Plain text: https://secwatch.observer/filing/0000950170-25-060549.txt

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