Company: NC
Filing Date: 2025-04-07
Form Type: DEF 14A
Source: 0000789933-25-000012
Chunk: 0

Company: NACCO INDUSTRIES INC
Filing Date: 2025-04-07
Form: DEF 14A
Chunk 0
---
### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### WASHINGTON, D.C. 20549

#### SCHEDULE 14A
<div align='center'>(Rule 14a-101)</div>

### INFORMATION REQUIRED IN PROXY STATEMENT

#### SCHEDULE 14A INFORMATION
<div align='center'>Proxy Statement Pursuant to Section 14(a) of the Securities</div>

#### Exchange Act of 1934
| Filed by the Registrant                    |     | þ |
| Filed by a Party other than the Registrant |     |   |

| Check the appropriate box: |     |                                                                                 |
| o                          |     | Preliminary Proxy Statement                                                     |
| o                          |     | Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |
| þ                          |     | Definitive Proxy Statement                                                      |
| o                          |     | Definitive Additional Materials                                                 |
| o                          |     | Soliciting Material under § 240.14a-12                                          |

#### NACCO INDUSTRIES, INC.
<div align='center'>(Name of Registrant as Specified in its Charter)</div>

| Payment of Filing Fee (Check all boxes that apply): |     |                                                |
| þ                                                   |     | No fee required                                |
| o                                                   |     | Fee paid previously with preliminary materials |

| o |     | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11 |

| TABLE OF CONTENTS                                                                                                |     | PAGE |
| NOTICE OF ANNUAL MEETING                                                                                         |     |      |
| PROXY STATEMENT                                                                                                  |     |    1 |
| PART I - CORPORATE GOVERNANCE INFORMATION                                                                        |     |    3 |
| About NACCO                                                                                                      |     |    3 |
| Corporate Responsibility                                                                                         |     |    3 |
| Code of Conduct                                                                                                  |     |    6 |
| Leadership Development and Succession Planning                                                                   |     |    6 |
| Insider Trading Policy                                                                                           |     |    6 |
| Hedging and Speculative Trading Policies and Limited Trading Windows                                             |     |    6 |
| Board Composition                                                                                                |     |    6 |
| Board Leadership Structure and Risk Management                                                                   |     |    7 |
| Directors' Meetings and Committees                                                                               |     |    7 |
|