Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
Symphony Capital Partners LP
  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
(Last)
(First)
(Middle)
875 THIRD AVENUE, 3RD FLOOR
3. Date of Earliest Transaction (Month/Day/Year)
04/16/2010
(Street)

NEW YORK, NY 10022
4. If Amendment, Date 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
(City)
(State)
(Zip)
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)  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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 control number. SEC 1474 (9-02)

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 Underlying Securities
(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 of Derivative Security: 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)  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Symphony Capital Partners LP
875 THIRD AVENUE
3RD FLOOR
NEW YORK, NY 10022
  X   X   See Footnote 5 and Remarks
SYMPHONY CAPITAL GP, L.P.
875 THIRD AVENUE
3RD FLOOR
NEW YORK, NY 10022
  X   X   See Footnote 5 and Remarks
SYMPHONY GP, LLC
875 THIRD AVENUE
3RD FLOOR
NEW YORK, NY 10022
  X   X   See Footnote 5 and Remarks
SYMPHONY STRATEGIC PARTNERS LLC
875 THIRD AVENUE
3RD FLOOR
NEW YORK, NY 10022
  X   X   See Footnote 5 and Remarks
TARANTO HARRI V
C/O SYMPHONY CAPITAL PATNERS, L.P.
875 THIRD AVENUE, 3RD FLOOR
NEW YORK, NY 10022
  X   X   See Footnote 5 and Remarks

Signatures

 /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
**Signature of Reporting Person Date

 /s/ Symphony Capital GP, L.P., by Symphony GP, LLC, its general partner, by Mark Kessel, a managing member   04/20/2010
**Signature of Reporting Person Date

 /s/ Symphony GP, LLC, by Mark Kessel, a managing member   04/20/2010
**Signature of Reporting Person Date

 /s/ Symphony Strategic Partners, LLC, by Mark Kessel, a managing member   04/20/2010
**Signature of Reporting Person Date

 /s/ Harri V. Taranto   04/20/2010
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(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.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.