Company: DAWN
Filing Date: 2025-04-11
Form Type: DEF 14A
Source: 0001140361-25-013462
Chunk: 63

Company: Day One Biopharmaceuticals, Inc.
Filing Date: 2025-04-11
Form: DEF 14A
Chunk 63
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 to the PEO during the indicated fiscal year, computed in accordance with ASC 718. |

| (c) | Represents the aggregate fair value as of the applicable fiscal year-end of the PEO’s outstanding and unvested stock awards and option awards granted during such fiscal year, computed in accordance with ASC 718. |

| (d) | Represents the aggregate change in fair value during the applicable fiscal year of the outstanding and unvested stock awards and option awards held by the PEO as of the last day of the applicable fiscal year (from the end of the prior fiscal year), computed in accordance with ASC 718. |

| (e) | Represents the aggregate fair value at vesting of the stock awards and option awards that were granted to the PEO and vested during the same applicable fiscal year, computed in accordance with ASC 718. |

| (f) | Represents the aggregate change in fair value, measured from the prior fiscal year-end to the vesting date, of each stock award and option award held by the PEO that was granted in a prior fiscal year and which vested during the applicable fiscal year, computed in accordance with ASC 718. |

| (g) | Represents the aggregate fair value as of the last day of the prior fiscal year of the PEOs stock awards and option awards that were granted in a prior fiscal year and which failed to meet the applicable vesting conditions during the applicable fiscal year, computed in accordance with ASC 718. |

| (4) | Amounts reported in this column represent the compensation actually paid to the non-PEO NEOs in the indicated fiscal year, as calculated under Item 402(v) of Regulation S-K based on the average total compensation for such NEOs reported in the Summary Compensation Table for the indicated fiscal year and adjusted as shown in the table below: |

|     |     |                                                                                                                                                                                           |     |      2021 
       ($) |     |      2022 
       ($) |     |       2023 
        ($) |     |      2024 
       ($) |
|     |     | Summary Compensation Table- Total Compensation(a)                                                                                                                                         |     | 5,427,365 |     | 2,198,324 |     |  2,934,914 |     | 3,298,866 |
| -   |     | Grant Date Fair Value of Stock Awards and Option Awards Granted in Fiscal Year(b)                                                                                                         |     | 4,756,410 |     |