8-K Current report

Filed Wednesday, August 19, 2026, accepted by the SEC at 5:09 PM Eastern. Events (8-K).

Open the filing at sec.gov Main document

Accession number: 0000789933-26-000150
Form: 8-K
Period or event date: Aug 14, 2026
Main document: nacco-20260814.htm
Size at EDGAR: 176 KB

8-K items reported

Item numbers as the company tagged them, with the official titles from SEC Form 8-K. The text of what happened is in the filing itself.

1.04Mine safetyMine Safety - Reporting of Shutdowns and Patterns of Violations

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