Company: BRK-A
Filing Date: 2025-06-24
Form Type: 11-K
Source: 0001193125-25-145622
Chunk: 0

Company: BERKSHIRE HATHAWAY INC
Filing Date: 2025-06-24
Form: 11-K
Chunk 0
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====================================================================================================== ==== UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K [ X ] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

| For the Fiscal Year     |     | Commission            |
| Ended December 31, 2024 |     | File Number 001-14905 |

GEICO 401(k) SAVINGS PLAN One Geico Plaza Washington, DC 20076 (Full title of the plan and the address of the plan, if different from that of the issuer named below) BERKSHIRE HATHAWAY INC. 3555 Farnam Street, Omaha, Nebraska 68131 (Name of Issuer of Securities held pursuant to Plan and address of its principal executive office) ====================================================================================================== ========= REQUIRED INFORMATION The GEICO 401(k) Savings Planis subject to the Employee Retirement Income Security Act of 1974.

Item 4. In lieu of the requirements of Items 1, 2 and 3 of this Form 11-K,the following financial statements of the Plan, notes thereto, and Report of Independent Registered Public Accounting Firm thereon are being filed as Exhibit 99.1 to this Report: (a) Statements of Net Assets Available for Plan Benefits – December 31, 2024 and 2023; (b) Statements of Changes in Net Assets Available for Plan Benefits

(c) Notes to Financial Statements; and (d) Report of Independent Registered Public Accounting Firm. The Consent of Independent Registered Public Accounting Firms to the incorporation by reference, in Registration Statement No. 333-53046of Berkshire Hathaway Inc. on Form S-8,of their report dated June 24, 2025 appearing in the Plan’s Annual Report on Form 11-Kfor the year ended December 31, 2024 is being filed as Exhibit 23.1 to this Report. SIGNATURES The Plan.Pursuant to the requirements of the Securities Exchange Act of 1934, the Retirement Plans Administrative Committee for the GEICO 401(k) Savings Planhas duly caused this annual report to be signed on its behalf by the undersigned hereunto duly authorized.

| Retirement Plans Administrative Committee 
 for the GEICO 401(k) Savings              
 Plan                                      |

| Date: June 24, 2025 |     | By: /s/ Sabrina Davison          
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