8-K
MLM ER8-K 20181231
- Company
- MARTIN MARIETTA MATERIALS INC
- Filed
- February 12, 2019
- Period of Report
- February 12, 2019
- Accession Number
- 0001564590-19-002661
An 8-K is a current report used to announce material events that shareholders should know about — such as earnings releases, mergers, executive changes, or bankruptcy. Learn more about 8-K filings →