Company: DVAX
Filing Date: 2025-04-17
Form Type: PRRN14A
Source: 0001193125-25-084044
Chunk: 18

Company: DYNAVAX TECHNOLOGIES CORP
Filing Date: 2025-04-17
Form: PRRN14A
Chunk 18
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 2018 Equity Incentive Plan provides a cap on the aggregate value of all cash and equity-based compensation paid annually to the Company’s non-employeedirectors. Non-employeedirectors may not be paid more than $200,000 in cash compensation per year or receive equity grants with a total value of more than $800,000 under any plans except newly appointed or elected non-employeedirectors may receive an initial equity grant with total value of $1,200,000. The value of equity awards is based on the grant date fair value of such awards for financial reporting purposes. During 2024, under the Company’s director compensation policy (the “Director Compensation Policy”), each member of the Board who was not an employee or officer of the Company received the following cash compensation for Board services:

| • |     | A $100,000 annual retainer for service as Chair of the Board or, alternatively, a $50,000 annual retainer for 
 service as a member of the Board;                                                                             |

| • |     | A $20,000 annual retainer for the Chair of the Audit Committee and a $10,000 annual retainer for each additional 
 member of the Audit Committee (under the amended Non-Employee Director Compensation                              |

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| Policy, which became effective in January 2025 (“Amended Director Compensation Policy”), this annual retainer increased to $25,000 for the Chair of the Audit Committee and $12,500 for 
 each additional member of the Audit Committee);                                                                                                                                         |

| • |     | A $15,000 annual retainer for the Chair of the Compensation Committee and a $7,000 annual retainer for each                                                                                                                                       
 additional member of the Compensation Committee (under the Amended Director Compensation Policy, this annual retainer increased to $20,000 for the Chair of the Compensation Committee and $10,000 for each additional member of the Compensation 
 Committee); and                                                                                                                                                                                                                                   |

| • |     | A $10,000 annual retainer for the Chair of the Nominating and Corporate Governance Committee and $5,000 annual 
 retainer for each additional member of the Nominating and Corporate Governance Committee.                      |

Cash compensation is paid on a quarterly basis, in advance, except that for new appointments (whether to the Board or to a committee seat not previously held) the fees for that quarter are pro-ratedbased on the actual number of days served during such quarter. The Company also reimburses their non-employeedirect