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	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	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* Symphony Capital Partners LP (Last) (First) (Middle) 875 THIRD AVENUE 3RD FLOOR (Street) NEW YORK NY 10022 (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) X Director X 10% Owner Officer (give title below) X Other (specify below) See Footnote 5 and Remarks
	3. Date of Earliest Transaction (Month/Day/Year) 04/16/2010
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X 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, par value $0.001 per share	04/16/2010		J(1)(2)	V	690,631	A	(1)(2)	9,031,431	D(1)(2)(3)(5)

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
Common Stock Warrant (right to buy)	$1.94	04/16/2010		J(1)(2)	V		1,283,200	12/30/2009	12/30/2014	Common Stock	1,283,200	(1)(2)	0	D(1)(2)(4)(5)
Common Stock Warrant (right to buy)	$1.5	04/16/2010		J(1)(2)	V	9,031,434		04/16/2010	04/16/2015	Common Stock	4,515,717	(1)(2)	9,031,434	D(1)(2)(4)(5)

1. Name and Address of Reporting Person* Symphony Capital Partners LP (Last) (First) (Middle) 875 THIRD AVENUE 3RD FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip)

1. Name and Address of Reporting Person* SYMPHONY CAPITAL GP, L.P. (Last) (First) (Middle) 875 THIRD AVENUE 3RD FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip)

1. Name and Address of Reporting Person* SYMPHONY GP, LLC (Last) (First) (Middle) 875 THIRD AVENUE 3RD FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip)

1. Name and Address of Reporting Person* SYMPHONY STRATEGIC PARTNERS LLC (Last) (First) (Middle) 875 THIRD AVENUE 3RD FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip)

1. Name and Address of Reporting Person* TARANTO HARRI V (Last) (First) (Middle) C/O SYMPHONY CAPITAL PATNERS, L.P. 875 THIRD AVENUE, 3RD FLOOR (Street) NEW YORK NY 10022 (City) (State) (Zip)

Explanation of Responses:

1. As a result of the offering by Dynavax Technologies Corp. (the "Issuer") of 30,293,000 units to certain institutional accredited investors, other than the Reporting Persons, and in accordance with the post-closing adjustment terms of the Amended and Restated Purchase Option Agreement (the "APOA"), dated November 9, 2009, among Symphony Dynamo Holdings LLC, Symphony Dynamo, Inc. and the Issuer: (i) Symphony Capital Partners, L.P. ("SCP L.P.") received 655,023 shares of the Issuer's Common Stock par value $.001 per share ("Common Stock") and one warrant representing the right to purchase 4,282,895 shares of Common Stock and (ii) Symphony Strategic Partners ("Strategic Partners LLC") received 35,608 shares of Common Stock and one warrant representing the right to purchase 232,822 shares of Common Stock.

2. Pursuant to the terms of the APOA, the warrant directly owned by SCP LP representing the right to purchase 1,217,040 shares of Common Stock and the warrant directly owned by Strategic Partners LLC representing the right to purchase 66,160 shares of Common Stock were cancelled in connection with the adjustment described above.

3. Includes 8,565,787 shares of Common stock directly owned by SCP L.P. and 465,644 shares of Common Stock directly owned by Strategic Partners LLC.

4. Includes one warrant directly owned by SCP L.P. representing the right to purchase 4,282,895 shares of Common Stock and one warrant directly owned by Strategic Partners LLC representing the right to purchase 232,822 shares of Common Stock.

5. Symphony GP, LLC ("SGP LLC") is the general partner of Symphony Capital GP, L.P. ("SC GP L.P."), which is the general partner of SCP L.P. Mark Kessel and Harri V. Taranto are managing members of SGP LLC and Strategic Partners LLC. Mr. Kessel is also a member of the Issuer's board of directors. As such, each of the Reporting Persons, other than Mr. Kessel, may be deemed to be a director of the Issuer by deputization.

Remarks:

The reporting persons may be deemed to be a member of a "group" for purposes of the Securities Exchange Act of 1934, as amended. The reporting persons disclaim beneficial ownership of any securities deemed to be owned by the group that are not directly owned by such reporting persons. This report shall not be deemed an admission that any reporting person is a member of a group or the beneficial owner of any securities not directly owned by the reporting persons.

	/s/ Symphony Capital Partners, L.P., by Symphony Capital GP, L.P., its general partner, by Symphony GP, LLC, its general partner, by Mark Kessel, a managing member	04/20/2010
	/s/ Symphony Capital GP, L.P., by Symphony GP, LLC, its general partner, by Mark Kessel, a managing member	04/20/2010
	/s/ Symphony GP, LLC, by Mark Kessel, a managing member	04/20/2010
	/s/ Symphony Strategic Partners, LLC, by Mark Kessel, a managing member	04/20/2010
	/s/ Harri V. Taranto	04/20/2010
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.