Form 8-K NACCO INDUSTRIES INC For: Aug 14

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August 19, 2026 5:10 PM EDT

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

_______________________________________________________________________________________________________________________________________________________________________________________________________

FORM 8-K


CURRENT REPORT
Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported):

August 14, 2026

NACCO INDUSTRIES, INC.

(Exact name of registrant as specified in its charter)

Delaware

1-9172

34-1505819

(State or other jurisdiction of incorporation)

(Commission File Number)

(IRS Employer Identification No.)

22901 Millcreek Blvd.

Suite 600

Cleveland,

Ohio

44122

(Address of principal executive offices)

(Zip code)

(440)

229-5151

(Registrant's telephone number, including area code)

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act

Title of each class

Trading Symbol

Name of each exchange on which registered

Class A Common Stock, $1 par value per share

New York Stock Exchange

Class A Common Stock, $1 par value per share

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter):

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 1.04 Mine Safety - Reporting of Shutdowns and Patterns of Violations.

Section 1503(b)(1) of the Dodd-Frank Act requires the disclosure on a Current Report on Form 8-K of the receipt of an imminent danger order (an “Order”) issued under section 107(a) of the Federal Mine Safety and Health Act of 1977 (the “Mine Act”) by the Mine Safety and Health Administration.

On August 14, 2026, The Coteau Properties Company, a subsidiary of NACCO Industries, Inc. (the “Company”) received an Order under Section 107(a) of the Mine Act at the Freedom Mine located in Beulah, North Dakota. The Order stated that one miner was exposed to a fall hazard while working from a rolling stairway. No injuries occurred as a result of the conditions giving rise to the Order. The Company reserves its right to contest the 107(a) Order.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date:

August 19, 2026

NACCO INDUSTRIES, INC.

By:

/s/ Elizabeth I. Loveman

Elizabeth I. Loveman

Senior Vice President and Controller

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