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 *
BAILEY ANTHONY W
   2. Issuer Name and Ticker or Trading Symbol
ABIOMED INC [ABMD] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
VP, Manufacturing
(Last)
(First)
(Middle)
C/O ABIOMED, INC., 22 CHERRY HILL DRIVE		 3. Date of Earliest Transaction (Month/Day/Year)
06/08/2005
(Street)

DANVERS, MA 01923		 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, $.01 par value               353 D  

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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
Stock Option (Right to buy) (1) $ 6.813             07/01/2003(8) 07/01/2008 Common Stock 25,000   25,000 D  
Stock Option (right to buy) (2) $ 15.563             06/28/2004(8) 06/28/2010 Common Stock 40,000   40,000 D  
Stock Option (right to buy) (3) $ 18.4             08/08/2003(4) 08/08/2011 Common Stock 5,000   5,000 D  
Stock Option (right to buy) (2) $ 5.11             06/25/2005(6) 06/25/2013 Common Stock 10,000   10,000 D  
Stock Option (right to buy) (2) $ 6.66             09/10/2005(7) 09/10/2013 Common Stock 40,000   40,000 D  
Stock Option (right to buy) (3) $ 6.75             06/25/2004(5) 06/25/2012 Common Stock 17,500   17,500 D  
Stock Option (Right to Buy) (3) $ 9.36 06/08/2005   A   20,000   06/08/2006(9) 06/08/2015 Common Stock 20,000 $ 9.36 20,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
BAILEY ANTHONY W
C/O ABIOMED, INC.
22 CHERRY HILL DRIVE
DANVERS, MA 01923		       VP, Manufacturing  

Signatures

 /s/ Charles B. Haaser (Attorney-in-fact)   06/10/2005
**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) Grant to reporting person of option to buy the number of shares of Common Stock set forth in Table II, Column 7, under the ABIOMED, Inc. 1992 Combination Stock Option Plan.
(2) Grant to reporting person of option to buy the number of shares of Common Stock set forth in Table II, Column 7, under the ABIOMED, Inc. 1998 Equity Incentive Plan.
(3) Grant to reporting person of option to buy the number of shares of Common Stock set forth in Table II, Column 7, under the ABIOMED, Inc. 2000 Stock Incentive Plan.
(4) Thirty percent of this option will become exercisable on each of 8/8/03 and 8/8/04 and an additional 40 percent will become exercisable on 8/8/05.
(5) Thirty percent of this option will become exercisable on each of 6/25/04 and 6/25/05 and an additional 40 percent will become exercisable on 6/25/06.
(6) Thirty percent of this option will become exercisable on each of 6/25/05 and 6/25/06 and an additional 40 percent will become exercisable on 6/25/07.
(7) Thirty percent of this option will become exercisable on each of 9/10/05 and 9/10/06 and an additional 40 percent will become exercisable on 9/10/07.
(8) Options were fully exercisable on the date shown.
(9) These options become exercisable in annual 25% increments commencing on the date shown in Table II, Column 6.

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