FORM 3
        
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * Clark Julie 2. Date of Event Requiring Statement (MM/DD/YYYY)
6/1/2021 

3. Issuer Name and Ticker or Trading Symbol Adverum Biotechnologies, Inc. [ADVM]
(Last)       (First)       (Middle)
C/O ADVERUM BIOTECHNOLOGIES, INC., 800 SAGINAW DRIVE
4. Relationship of Reporting Person(s) to Issuer (Check all applicable)_____ Director                          _____ 10% Owner
___X___ Officer (give title below)        _____ Other (specify below)
Chief Medical Officer /
(Street)
REDWOOD CITY, CA 94063      
(City)             (State)             (Zip)
5. If Amendment, Date Original Filed(MM/DD/YYYY)
 

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 Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock  49489 (1) D   

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(MM/DD/YYYY)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Buy)   (2) 5/14/2030  Common Stock  60000  $18.10  D   
Stock Option (Right to Buy)   (3) 2/16/2031  Common Stock  33750  $13.44  D   

Explanation of Responses:
(1)  Includes 46,125 Restricted Stock Units ("RSUs"). The Reporting Person is entitled to receive one (1) share of Common Stock of the Issuer for each one (1) RSU upon the vesting thereof, subject to the following vesting schedules: (A) 5,625 of such RSUs vest as to 1/4 of the shares subject thereto on each annual anniversary of February 16, 2021 and (B) 40,500 of such RSUs vest as to 1/3 of the shares subject thereto on the six-month anniversary of March 31, 2021 (the "3/31/21 RSU Vesting Commencement Date"), and the remaining 2/3 of the shares subject thereto shall vest on the one-year anniversary of the 3/31/21 RSU Vesting Commencement Date, in each case, subject to the Reporting Person's continued service with the Issuer on each such vesting date.
(2)  Twenty-five percent (25%) of the total number of shares subject to the option vested and became exercisable on the first anniversary of May 15, 2020 (the "2020 Option Vesting Commencement Date"), and 1/48 of the total number of shares subject to the option vest and become exercisable each month thereafter, such that all of the shares subject to the option shall become vested and exercisable as of the fourth anniversary of the 2020 Option Vesting Commencement Date, subject to the Reporting Person's continued service with the Issuer on each such vesting date.
(3)  Twenty-five percent (25%) of the total number of shares subject to the option vest and become exercisable on the first anniversary of February 16, 2021 (the "2021 Option Vesting Commencement Date"), and 1/48 of the total number of shares subject to the option vest and become exercisable each month thereafter, such that all of the shares subject to the option shall become vested and exercisable as of the fourth anniversary of the 2021 Option Vesting Commencement Date, subject to the Reporting Person's continued service with the Issuer on each such vesting date.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Clark Julie
C/O ADVERUM BIOTECHNOLOGIES, INC.
800 SAGINAW DRIVE
REDWOOD CITY, CA 94063


Chief Medical Officer

Signatures
Julie Clark, by /s/ Ron A. Metzger, Attorney-in-Fact 6/3/2021
**Signature of Reporting Person Date
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