DYNAVAX TECHNOLOGIES CORP — Director's Dealing 2019

Mar 1, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DYNAVAX TECHNOLOGIES CORP (DVAX)
CIK: 0001029142
Period of Report: 2019-02-28

Reporting Person: OSTRACH MICHAEL S (Senior Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-02-28	Common Stock	F	18249	$9.04	Disposed	121581	Direct
2019-02-28	Common Stock	F	3115	$9.04	Disposed	118466	Direct
2019-02-28	Common Stock	M	1875	$5.40	Acquired	120341	Direct
2019-02-28	Common Stock	M	1875	$5.40	Acquired	122216	Direct
2019-02-28	Common Stock	S	3750	$9.25	Disposed	118466	Direct
2019-02-28	Common Stock	S	31694	$8.90	Disposed	86772	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-02-28	Stock Option (Right to Buy)	$5.40	M	1875	Disposed	2019-03-09	Common Stock (1875)	Direct
2019-02-28	Stock Option (Right to Buy)	$5.40	M	1875	Disposed	2019-03-09	Common Stock (1875)	Direct

Footnotes

F1: The reporting person is reporting the sale of 18,249 shares of common stock to satisfy the reporting person's tax withholding obligations in connection with the delivery of common stock to the reporting person on February 28, 2019.

F2: The reporting person is reporting the sale of 3,115 shares of common stock to satisfy the reporting person's tax withholding obligations in connection with the delivery of common stock to the reporting person on February 28, 2019.

F3: Not applicable