Company: DAWN
Filing Date: 2025-02-25
Form Type: 10-K
Source: 0000950170-25-026654
Chunk: 329

Company: Day One Biopharmaceuticals, Inc.
Filing Date: 2025-02-25
Form: 10-K
Item: Item 1B
Chunk 329
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 uncertain income tax position on the income tax return must be recognized at the largest amount that is more-likely-than-not to be sustained upon audit by the relevant taxing authority. An uncertain income tax position will not be recognized if it has less than a 50% likelihood of being sustained.The following table reconciles the beginning and ending amount of unrecognized tax benefits (in thousands): 

        Year Ended December 31,

        2024

        2023

        2022

        Balance at beginning of year
         
        $
        2,634

        $
        2,535

        $
        1,141

        Additions based on tax positions related to prior year

        1,433

        29

        726

        Additions based on tax positions related to current year

        2,305

        872

        916

        Reductions based on tax positions related to prior year

        —

        (802
        )

        (248
        )

        Reductions based on tax positions related to current year

        —

        —

        —

        Balance at end of year
         
        $
        6,372

        $
        2,634

        $
        2,535

      The entire amount of the unrecognized tax benefits would not impact the Company’s effective tax rate if recognized. The Company has elected to include interest and penalties as a component of tax expense. During the years ended December 31, 2024, 2023 and 2022, the Company did not recognize accrued interest and penalties related to unrecognized tax benefits. The Company does not anticipate that the amount of existing unrecognized tax benefits will significantly increase or decrease during the next 12 months.The Company files income tax returns in the U.S. federal, California and other state tax jurisdictions. The federal and state income tax returns from December 31, 2018 to December 31, 2023 remain subject to examination.

12. Defined Contribution PlanThe Company maintains an employee savings plan pursuant to Section 401(k) of the Internal Revenue Code. All employees are eligible to participate provided that they meet the requirements of the plan. For the year ended December 31, 2024, 2023, and 2022, the Company made matching contributions of $1.7 million, $1.3 million, and $0.8 million, respectively.

13. Segment ReportingThe Company views its operations and manages its business in one operating and one report