DYNAVAX TECHNOLOGIES CORP — Director's Dealing 2024

Feb 20, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DYNAVAX TECHNOLOGIES CORP (DVAX)
CIK: 0001029142
Period of Report: 2024-02-15

Reporting Person: Burgess Justin (Chief Accounting Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-02-16	Common Stock	M	6667	—	Acquired	15803	Direct
2024-02-16	Common Stock	F	2378	$12.41	Disposed	13425	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-02-16	Restricted Stock Unit	$	M	6667	Disposed		Common Stock (6667)	Direct
2024-02-15	Stock Options (Right to Buy)	$12.48	A	13500	Acquired	2031-02-15	Common Stock (13500)	Direct
2024-02-15	Restricted Stock Unit	$	A	21900	Acquired		Common Stock (21900)	Direct

Footnotes

F1: Code M: Exercise or conversion of derivative security

F2: Each RSU represents a contingent right to receive one share of common stock. The RSUs vest over three years with 1/3 vesting on each annual anniversary of February 16, 2023.

F3: Code F: Payment of exercise price or tax liability by delivering or withholding securities

F4: Shares withheld by Dynavax Technologies Corporation to satisfy tax withholding requirements on vesting of restricted stock units.

F5: Code A: Grant, award or other acquisition

F6: This option grant will vest over three (3) years with one third (1/3) of the shares subject to the option vesting twelve months after the grant date of
February 15, 2024, and one thirty-sixth (1/36) of the shares subject to the option vesting each month thereafter.

F7: Each RSU represents a contingent right to receive one share of common stock. The RSUs vest over three years with 1/3 vesting on each annual
anniversary of February 15, 2024.