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
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(Print or Type Responses)
1. Name and Address of Reporting Person *
BOCK LOUIS C
  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 _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O BANKAMERICA VENTURES, 950 TOWER LANE STE 700
3. Date of Earliest Transaction (Month/Day/Year)
04/14/2005
(Street)

FOSTER CITY, CA 94404
4. If Amendment, Date 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
(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               213,915 I By BA Venture Partners IV (1)

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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
Director Stock Options (Right to Buy) $ 3.97 04/14/2005   A(2)   20,000     (3) 04/14/2015 Common Stock 20,000 $ 3.97 20,000 D (4)  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
BOCK LOUIS C
C/O BANKAMERICA VENTURES
950 TOWER LANE STE 700
FOSTER CITY, CA 94404
  X      

Signatures

 /s/ Louis C. Bock   04/15/2005
**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) Represents securities held by BA Venture Partners IV, of which the Reporting Person is a partner. The Reporting Person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.
(2) Options granted by the Issuer to the Reporting Person in a transaction exempt from Section 16(b) pursuant to Rule 16b-3.
(3) The options vest annually over four years, commencing on April 14, 2006.
(4) The Reporting Person is Managing Director of Bank of America Ventures. Pursuant to the policies of Bank of America Ventures and its affiliates, the Reporting Person is deemed to hold the reported option for the benefit of Bank of America Ventures and must exercise the option solely upon the direction of Bank of America Ventures. Bank of America Ventures may be deemed the indirect beneficial owner of the option. The Reporting Person disclaims beneficial ownership of the option except to the extent of his pecuniary interest therein.

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