DYNAVAX TECHNOLOGIES CORP — Director's Dealing 2012

Nov 7, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DYNAVAX TECHNOLOGIES CORP (DVAX)
CIK: 0001029142
Period of Report: 2012-11-06

Reporting Person: COFFMAN ROBERT (Chief Scientific Officer & VP)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-11-06	Stock Option	M	8000	$1.5	Acquired	27926	Direct
2012-11-06	Common Stock	S	8000	$4.31	Disposed	19926	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-11-06	Stock Option	$1.50	M	8000	Disposed	2013-01-21	Common Stock (8000)	Direct

Footnotes

F1: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 27, 2012.

F2: This Stock Option was granted on January 22, 2003 with an expiration of January 21, 2013 and vested over a four-year period after the date of the grant.

F3: Not applicable.