---
schema_version: "secwatch.filing_event.v1"
accession: "0000950157-26-001024"
form_type: "8-K"
ticker: "MLM"
cik: "0000916076"
company_name: "MARTIN MARIETTA MATERIALS INC"
filed_at: "2026-09-16T20:11:22+00:00"
generated_at: "2026-09-16T20:12:32.240313+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Martin Marietta extends $500M receivables securitization facility to Sept 2027

## Summary
- Eighteenth Amendment to Credit and Security Agreement dated Sept 15, 2026 extends maturity to Sept 15, 2027.
- Borrowings under the facility now bear interest at Adjusted Term SOFR plus 0.700%.
- Facility is a $500M trade receivables securitization line; can be increased to $700M subject to lender commitments.
- Amendment with Truist Bank (admin agent), First-Citizens Bank, and Regions Bank as lenders.

## SEC filing metadata
- accession: 0000950157-26-001024
- form_type: 8-K
- ticker: MLM
- cik: 0000916076
- company_name: MARTIN MARIETTA MATERIALS INC
- filed_at: 2026-09-16T20:11:22+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/916076/000095015726001024/0000950157-26-001024-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/916076/000095015726001024/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950157-26-001024
- JSON: https://secwatch.observer/filing/0000950157-26-001024.json
- Plain text: https://secwatch.observer/filing/0000950157-26-001024.txt

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