Ostrach Michael S Form 4 DYNAVAX TECHNOLOGIES / MICHAEL S OSTRACH ownership change

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

OSTRACH MICHAEL S

(Last) (First) (Middle)

C/O DYNAVAX TECHNOLOGIES

2929 SEVENTH STREET, SUITE 100

(Street)

BERKELEY CA 94710

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
DYNAVAX TECHNOLOGIES CORP [ DVAX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
Senior Vice President

3. Date of Earliest Transaction (Month/Day/Year)
02/28/2019

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/28/2019		F		18,249(1)	D	$9.04	121,581	D
Common Stock	02/28/2019		F		3,115(2)	D	$9.04	118,466	D
Common Stock	02/28/2019		M		1,875	A	$5.4	120,341	D
Common Stock	02/28/2019		M		1,875	A	$5.4	122,216	D
Common Stock	02/28/2019		S		3,750	D	$9.25	118,466	D
Common Stock	02/28/2019		S		31,694	D	$8.9	86,772	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$5.4	02/28/2019		M			1,875	03/10/2013	03/09/2019	Common Stock	1,875	(3)	0	D
Stock Option (Right to Buy)	$5.4	02/28/2019		M			1,875	03/10/2013	03/09/2019	Common Stock	1,875	(3)	0	D

Explanation of Responses:

1. 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.

2. 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.

3. Not applicable

Remarks:

	/S/ Michael Ostrach	03/01/2019
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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