Company: GHC
Filing Date: 2025-06-27
Form Type: 11-K
Source: 0000104889-25-000049
Chunk: 0

Company: Graham Holdings Co
Filing Date: 2025-06-27
Form: 11-K
Chunk 0
---
### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

#### FORM 11-K
<div align='center'>FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS
AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934</div>

| ☒ |     | Annual Report Pursuant To Section 15(d) of the Securities Exchange Act of 1934 |

<div align='center'>For the Fiscal Year Ended December 31, 2024</div>

#### or
| ☐ |     | Transition Report Pursuant to Section 15(d) of the Securities Exchange Act of 1934 |

<div align='center'>For the transition period from _______ to _______</div>

#### Commission file number 001-06714
<div align='center'>A. Full title of the plan and the address of the plan, if different from that of the issuer named below:</div>

#### The 401(k) Savings Plan for GHC Affiliates
<div align='center'>B. Name of issuer of the securities held pursuant to the plan and the address of its principal executive office:</div>

#### Graham Holdings Company

#### 1812 North Moore Street

#### Arlington, Virginia 22209

#### THE 401(k) SAVINGS PLAN FOR GHC AFFILIATES

### TABLE OF CONTENTS
|                                                                                                |     | Page |
| Reports of Independent Registered Public Accounting Firms                                      |     |    1 |
| Financial Statements:                                                                          |     |      |
| Statements of Net Assets Available for Benefits as of December 31, 2024 and 2023               |     |    3 |
| Statement of Changes in Net Assets Available for Benefits for the year ended December 31, 2024 |     |    4 |
| Notes to Financial Statements                                                                  |     |    5 |
| Supplemental Schedule: *                                                                       |     |      |
| Schedule H, Line 4i—Schedule of Assets (Held at End of Year)                                   |     |   12 |
| Index to Exhibits                                                                              |     |   13 |
| Signatures                                                                                     |     |   14 |

<div align='center'>________________________________________________</div>

* Other schedules required by Section 2520.103-10 of the Department of Labor’s Rules and Regulations for Reporting and Disclosure under the Employee Retirement