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  5. 8-K/A

SEC Filing Details

Document Details

Form
8-K/A
Filing Date
Nov 4, 2026
Document Date
Aug 21, 2026
Form Description
Amendment to a previously filed 8-K
Filing Group
Current Reports
Company
Martin Marietta
Issuer
MARTIN MARIETTA MATERIALS INC

Filing Formats

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XBRL

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EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
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XML - XBRL INSTANCE DOCUMENT

Latest Press Release

Nov 04, 2026
Martin Marietta Reports Record Third-Quarter 2026 Results and Updates Full-Year 2026 Guidance
Oct 21, 2026
Martin Marietta Announces Third-Quarter 2026 Earnings Conference Call
Aug 24, 2026
Martin Marietta Completes Combination With Lhoist North America
View all press releases

Latest SEC Filings

Detailed SEC Filings
Form Filing Date
8-K Nov 04, 2026
10-Q Nov 04, 2026
8-K/A Nov 04, 2026
Form: 8-K
Nov 04, 2026
Form: 10-Q
Nov 04, 2026
Form: 8-K/A
Nov 04, 2026
View all filings

Events

Nov 4, 2026 10:00 AM EST
Martin Marietta Q3 2026 Earnings Conference Call
Jul 30, 2026 10:00 AM EDT
Martin Marietta Q2 2026 Earnings Conference Call
Jun 29, 2026 8:30 AM EDT
Martin Marietta Conference Call
View all events

An American-based company and a leading supplier of building materials, Martin Marietta teams supply the foundational resources on which our communities thrive.

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