---
schema_version: "secwatch.filing_event.v1"
accession: "0000950157-22-001071"
form_type: "8-K"
ticker: "MLM"
cik: "0000916076"
company_name: "MARTIN MARIETTA MATERIALS INC"
filed_at: "2022-09-29T23:59:59+00:00"
generated_at: "2026-06-23T06:52:55.342955+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Martin Marietta satisfied and discharged its 0.650% Senior Notes due 2023

## Summary
- Irrevocably deposited sufficient funds with trustee to cover all remaining principal and interest on the Notes.
- Funded the satisfaction and discharge using existing cash resources.
- Obligations under the 2023 Notes Indenture terminated, except certain survival provisions.

## SEC filing metadata
- accession: 0000950157-22-001071
- form_type: 8-K
- ticker: MLM
- cik: 0000916076
- company_name: MARTIN MARIETTA MATERIALS INC
- filed_at: 2022-09-29T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 1.02, 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/916076/000095015722001071/0000950157-22-001071-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/916076/000095015722001071/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950157-22-001071
- JSON: https://secwatch.observer/filing/0000950157-22-001071.json
- Plain text: https://secwatch.observer/filing/0000950157-22-001071.txt

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