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

Role: VP, Chief Accounting Officer
Signature: /s/ Joseph A. Metzinger
Issuer symbol: DVAX
Transactions as of: 12 May 2025
Net transactions value: $0
Form type: 4
Filing time: 13 May 2025, 16:08:16 UTC
Next filing: 29 Dec 2025
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	13 May 2025	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		+31,500			31,500	12 May 2025	Common Stock	31,500	$9.85	Direct	F1
transaction	DVAX	Restricted Stock Unit	Award		+38,182			38,182	12 May 2025	Common Stock	38,182		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.