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 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 *
BANK OF AMERICA VENTURES
  2. Issuer Name and Ticker or Trading Symbol
ACUSPHERE INC [acus]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
950 TOWER LANE, SUITE 700, 
3. Date of Earliest Transaction (Month/Day/Year)
04/01/2004
(Street)

FOSTER CITY, CA 94404
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               1,314,146 D  
Common stock               146,016 I By Banc of America Partners II (1)
Common stock 04/01/2004   J(2)   452,414 A $ 0 (2) 452,414 I By BancBoston Ventures Inc. (3)
Common stock 04/05/2004   J(4)   6,521 A $ 0 (5) 6,521 I By Bank of America Capital Corporation (5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
BANK OF AMERICA VENTURES
950 TOWER LANE, SUITE 700
FOSTER CITY, CA 94404
    X    
BANK OF AMERICA CORP /DE/
BANK OF AMERICA CORPORATE CENTER
100 N TRYON ST
CHARLOTTE, NC 28255
    X    
BANK OF AMERICA NA
110 N TYRONE
CHARLOTTE, NC 28255
    X    
NB HOLDINGS CORP
100 NORTH TRYON STREET
CHARLOTTE, NC 28255
    X    

Signatures

 /s/ Kate Mitchell, By: Kate Mitchell, President and Managing Director, Bank of America Ventures   04/05/2004
**Signature of Reporting Person Date

 /s/ Charles S. Bowman, By: Charles S. Bowman, Senior Vice President, Bank of America Corporation   04/05/2004
**Signature of Reporting Person Date

 /s/ Charles S. Bowman, By: Charles S. Bowman, Senior Vice President, Bank of America, N.A.   04/05/2004
**Signature of Reporting Person Date

 /s/ Charles S. Bowman, By: Charles S. Bowman, Senior Vice President, NB Holdings Corporation   04/05/2004
**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) Held by BA Venture Partners II, with which the Reporting Persons have an employment releationship. The Reporting Persons disclaim beneficial ownership of such securities.
(2) On April 1, 2004, Bank of America Corporation, one of the Reporting Persons, merged with FleetBoston Financial Corporation. As a result of such merger, Bank of America corporation may be deemed to have a pecuniary interest in shares of the Issuer held by BancBoston Ventures, Inc., an indirect wholly-owned subsidiary of FleetBoston Financial Corporation. The Reporting Persons disclaim beneficial ownership of such securities.
(3) Held by BancBoston Ventures, Inc. The Reporting Persons disclaim beneficial ownership of such securities.
(4) On April 5, 2004, these securities were distributed to Bank of America Capital Corporation, an affiliate of Reporting Persons. Such shares were distributed (for no additional consideration) to Bank of America Capital Corporation by the general partner of a limited partnership of which Bank of America Capital Corporation is a limited partner.
(5) Held by Bank of America Capital Corporation. The Reporting Persons disclaim beneficial ownership of such securities.

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