Company: DAWN
Filing Date: 2025-04-11
Form Type: DEF 14A
Source: 0001140361-25-013462
Chunk: 56

Company: Day One Biopharmaceuticals, Inc.
Filing Date: 2025-04-11
Form: DEF 14A
Chunk 56
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 amounts reported in this column reflect the aggregate accounting cost for these awards, and do not necessarily correspond to the actual economic value that may be received by the NEO from the awards. |

| (3) | Dr. Blackman retired from the Company effective January 3, 2025 and is no longer considered an executive officer of the Company. |

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TABLE OF CONTENTS

The following table presents information regarding outstanding equity awards held by each of our NEOs as of December 31, 2024. Outstanding Equity Awards at Fiscal Year-End Table

|                    |               |     | Option Awards |           |     |             |         |     |               |       |     |                |            |     |            |         |     | Stock Awards    |           |     |                |
| Name               |               |     | Grant Date    |           |     |   Number of 
  Securities 
  Underlying 
 Unexercised 
 Options (#) 
 Exercisable |         |     |     Number of 
    Securities 
    Underlying 
   Unexercised 
   Options (#) 
 Unexercisable |       |     |         Option 
 Exercise Price 
            ($) |            |     | Option     
 Expiration 
 Date       |         |     | Number of       
 shares or units 
 of stock that   
 have not vested 
 (#)             |           |     | Market value   
 of shares or   
 units of stock 
 that have not  
 vested         
 (#)(6)         |
| Jeremy Bender      |               |     | 1/5/2024(1)   |           |     |      65,538 |         |     |       220,462 |       |     |          14.44 |            |     | 1/4/2034   |         |     | —               |           |     | —              |
|                    | 1/17/2023(1)  |     |               |   116,909 |     |             | 127,091 |     |               | 23.41 |     |                | 1/17/2033  |     |            |       — |     |                 |         — |     |                |
|                    | 1/18/2022(1)  |     |               |   289,477 |     |             | 107,523 |     |               | 14.26 |     |                | 1/18/203