DYNAVAX TECHNOLOGIES CORP — Director's Dealing 2012

Feb 14, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DYNAVAX TECHNOLOGIES CORP (DVAX)
CIK: 0001029142
Period of Report: 2012-02-13

Reporting Person: MARTIN J TYLER (Director, President, CMO & Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-02-13	Common shares	A	150000	$0.58	Acquired	150000	Direct
2012-02-13	Common shares	A	32848	$1.72	Acquired	182848	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-02-13	Option (Right to Buy)	$0.58	M	75000	Disposed	2019-02-26	Common Stock (75000)	Direct
2012-02-13	Options (Right to Buy)	$0.58	M	75000	Disposed	2019-02-26	Common Stock (75000)	Direct
2012-02-13	Options (Right to Buy)	$1.72	M	32848	Disposed	2020-08-24	Common Stock (32848)	Direct

Footnotes

F1: Not applicable.

F2: On February 13, 2012, Dr. Martin exercised certain of his outstanding options for cash. No shares were sold in the market in connection with this exercise.