Joseph A. Metzinger - May 12, 2025 Form 4 Insider Report for DYNAVAX TECHNOLOGIES CORP (DVAX)

Role: VP, Chief Accounting Officer
Signature: /s/ Joseph A. Metzinger
Stock symbol: DVAX
Transactions as of: May 12, 2025
Transactions value $: $0
Form type: 4
Date filed: 5/13/2025, 04:08 PM
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Metzinger Joseph Anthony	VP, Chief Accounting Officer	C/O DYNAVAX TECHNOLOGIES, 2100 POWELL STREET, SUITE 720, EMERYVILLE	/s/ Joseph A. Metzinger	2025-05-13	0002067729

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	DVAX	Option (Right to Buy)	Award		+31.5K			31.5K	May 12, 2025	Common Stock	31.5K	$9.85	Direct	F1
transaction	DVAX	Restricted Stock Unit	Award		+38.2K			38.2K	May 12, 2025	Common Stock	38.2K		Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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 May 12, 2025, and one thirty-sixth (1/36) of the shares subject to the option vesting each month thereafter.
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 May 12, 2025.