DYNAVAX TECHNOLOGIES CORP — Director's Dealing 2012

Oct 4, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DYNAVAX TECHNOLOGIES CORP (DVAX)
CIK: 0001029142
Period of Report: 2012-10-03

Reporting Person: TUCK STEPHEN F (VP, Global Technical Ops)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-10-03	Common Stock	M	75000	—	Acquired	108333	Direct
2012-10-03	Common Stock	F	27510	$4.81	Disposed	80823	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-10-03	Restricted Stock Unit	$	M	75000	Disposed	2020-11-11	Common Stock (75000)	Direct

Footnotes

F1: Each restricted stock unit represents the right to receive, at settlement, one share of common stock. The reporting person had vested restricted stock units settled in shares of common stock.

F2: Shares withheld by Registrant to satisfy minimum statutory withholding requirements on vesting of restricted stock units.

F3: The restricted stock unit award was granted on November 12, 2010 and vested upon the completion of a performance goal achieved on September 28, 2012.