Company: BRK-A
Filing Date: 2025-06-20
Form Type: 11-K
Source: 0001193125-25-143559
Chunk: 6

Company: BERKSHIRE HATHAWAY INC
Filing Date: 2025-06-20
Form: 11-K
Chunk 6
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Level 3). The three levels of the fair value hierarchy under Financial Accounting Standards Board Accounting Standards Codification Topic No. 820, Fair Value Measurement, are described as follows:

| • |     | Level 1 — inputs to the valuation methodology are unadjusted quoted prices for identical assets 
 or liabilities in active markets that the Plan has the ability to access.                       |

| • |     | Level 2 — inputs to the valuation methodology include: |

| • |     | quoted prices for similar assets or liabilities in active markets; |

| • |     | quoted prices for identical or similar assets or liabilities in inactive markets; |

| • |     | inputs other than quoted prices that are observable for the asset or liability; |

| • |     | inputs that are derived principally from or corroborated by observable market data by correlation or other means. |

| • |     | Level 3 — inputs to the valuation methodology are unobservable and significant to the fair value 
 measurement.                                                                                     |

The asset or liability’s fair value measurement level within the fair value hierarchy is based on the lowest level of any input that is significant to the fair value measurement. Valuation techniques maximize the use of relevant observable inputs and minimize the use of unobservable inputs. Following is a description of the valuation methodologies used for investments measured at fair value. There have been no changes in the methodologies used at December 31, 2024 and 2023. These methodologies were consistently applied to all investments of the Plan. Cash and cash equivalents Demand deposit funds are carried at amortized cost which approximates fair value. The investments are classified within Level 2 of the valuation hierarchy. Common stock Common stock is valued at the closing price reported on the active market on which the individual securities are traded. All common stock is classified within Level 1 of the valuation hierarchy. Common/collective trust funds The common/collective trust funds (“CCT”) are valued using Net Asset Value (“NAV”) per share as a practical expedient. NAV is based on the fair value of the underlying investments held by the fund less its liabilities. In accordance with GAAP, since each CCT is measured using the NAV per share practical expedient, the CCT’s are not classified in the fair value hierarchy. The fair value amounts for the CCT’s presented in the table below are intended to permit reconciliation to the amounts presented in the Statements of Net Assets Available for Benefits. Collective investment trusts The collective investment trusts (“CIT”) are tax-exempt,pooled investment vehicles that are valued daily