Company: BRK-A
Filing Date: 2025-06-25
Form Type: 11-K
Source: 0001193125-25-146903
Chunk: 0

Company: BERKSHIRE HATHAWAY INC
Filing Date: 2025-06-25
Form: 11-K
Chunk 0
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UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC. 20549 FORM 11-K

| ☒ | ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |

For the Year ended December 31, 2024 Commission file number 001-14905 BENJAMIN MOORE & CO. DEFERRED SAVINGS AND INVESTMENT PLAN Berkshire Hathaway Inc. 3555 Farnam Street Omaha, Nebraska 68131

FINANCIAL STATEMENTS AND EXHIBITS

| (a) | Consent of Independent Registered Public Accounting Firm |

| (b) | Financial Statements – See accompanying Report of Independent Registered Public Accounting Firm |

SIGNATURES The Plan: Pursuant to the requirements of the Securities Exchange Act of 1934, the plan administrator has duly caused this annual report to be signed by the undersigned hereunto duly authorized.

| PLAN:               |     | BENJAMIN MOORE & CO. DEFERRED SAVINGS AND INVESTMENT PLAN |
| PLAN ADMINISTRATOR: |     | BENJAMIN MOORE & CO.                                      |

| By: |     | /s/ Jackie Carlstrom                   |
|     |     | Jackie Carlstrom                       |
|     |     | Senior Vice President, Human Resources |

Date: June 24, 2025

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in the Registration Statement No. 333-64284on Form S-8of Berkshire Hathaway Inc. of our report dated June 24, 2025, relating to our audit of the financial statements and supplemental schedule of the Benjamin Moore & Co. Deferred Savings and Investment Plan, which appears in this Annual Report on Form 11-Kof Benjamin Moore & Co. Deferred Savings and Investment Plan for the year ended December 31, 2024.

Contents

|                                                                                           |     | Page |        |
| Report of Independent Registered Public Accounting Firm                                   |     |      |      1 |
| Financial Statements                                                                      |     |      |        |
| Statements of Net Assets Available for Benefits as of December                            
 31, 2024 and 2023                                                                         |     |      |      2 |
| Statement of Changes in Net Assets Available for Benefits for the Year Ended December 31, 
 2024                                                                                      |     |      |      3 |
| Notes to Financial