Company: BRK-A
Filing Date: 2025-06-20
Form Type: 11-K
Source: 0001193125-25-143559
Chunk: 10

Company: BERKSHIRE HATHAWAY INC
Filing Date: 2025-06-20
Form: 11-K
Chunk 10
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 the Plan, as defined by ERISA. Column (d) cost information omitted for participant-directed investments. |

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ACME BRICK COMPANY 401(k) RETIREMENT & SAVINGS PLAN SIGNATURES The Plan. Pursuant to the requirements of the Securities Exchange Act of 1934, the trustees (or other persons who administer the employee benefit plan) have duly caused this annual report to be signed on its behalf by the undersigned hereunto duly authorized.

| Acme Brick Company 401(k) Retirement & Savings Plan |     |                              |
| By:                                                 |     | /s/ Elaine Suleski           |
|                                                     |     | Elaine Suleski               |
|                                                     |     | Vice President of Accounting |

Date:June 20, 2025 11

ACME BRICK COMPANY 401(k) RETIREMENT & SAVINGS PLAN EXHIBIT INDEX

| Exhibit No. |     |                            |     | Page No. |    |
| 23.1        |     | Consent of Freed Maxick PC |     |          | 13 |

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