---
schema_version: "secwatch.filing_event.v1"
accession: "0000950157-26-000175"
form_type: "8-K"
ticker: "MLM"
cik: "0000916076"
company_name: "MARTIN MARIETTA MATERIALS INC"
filed_at: "2026-02-23T23:59:59+00:00"
generated_at: "2026-05-16T01:21:06.827663+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Martin Marietta completes asset exchange with Quikrete; gets aggregates ops, $450M cash

## Summary
- Acquired aggregates operations producing ~20M tons/year in VA, MO, KS, and Vancouver, BC plus $450M cash.
- Quikrete acquired Midlothian cement plant and Texas ready-mix assets; tax-efficient exchange.
- Updated 2026 guidance: revenues $7.16B, adjusted EBITDA $2.43B, capex $575M.
- Aggregates volume growth 12% (2% organic); ASP growth 2.5% (organic 5%).
- CEO calls it largest aggregates acquisition in company history and capstone to SOAR 2025 plan.

## SEC filing metadata
- accession: 0000950157-26-000175
- form_type: 8-K
- ticker: MLM
- cik: 0000916076
- company_name: MARTIN MARIETTA MATERIALS INC
- filed_at: 2026-02-23T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.85
- confidence: high
- sec_items: 2.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/916076/000095015726000175/0000950157-26-000175-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/916076/000095015726000175/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950157-26-000175
- JSON: https://secwatch.observer/filing/0000950157-26-000175.json
- Plain text: https://secwatch.observer/filing/0000950157-26-000175.txt

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