DYNAVAX TECHNOLOGIES CORP — Director's Dealing 2012

Nov 19, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DYNAVAX TECHNOLOGIES CORP (DVAX)
CIK: 0001029142
Period of Report: 2012-11-16

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-11-16	Common Stock	M	35759	$1.58	Acquired	222089	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-11-16	Stock Option	$1.58	M	35759	Disposed	2020-02-18	Common Stock (35759)	Direct

Footnotes

F1: On November 16, 2012, Mr. Martin exercised certain of his outstanding options for cash. No shares were sold in the market in connection with this exercise.

F2: This Stock Option was granted on February 19, 2010 with an expiration of February 18, 2020 and vested upon the completion of a performance goal.

F3: Not applicable.