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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1. Name and Address of Reporting Person * Bowen Robert   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) Chief Financial Officer (Last) (First) (Middle) C/O ABIOMED, INC, 22 CHERRY HILL DR 3. Date of Earliest Transaction (Month/Day/Year) 07/13/2012 (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 07/13/2012   M   15,000 A $ 5.86 78,049 D   Common Stock , $.01 par value 07/13/2012   S(3)   16,715 D $ 24.2613 (4) 61,334 D

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

Stock Option (Right to Buy) (1)

$ 15.92

12/22/2009(2)

12/22/2018

Common Stock

100,000

100,000

D

Stock Option (right to buy) (1)

$ 5.86

07/13/2012

M

15,000

05/28/2010(2)

05/28/2019

Common Stock

60,000

$ 0

45,000

D

Stock Option (right to buy) (1)

$ 5.86

03/31/2010(2)

05/28/2019

Common Stock

30,000

30,000

D

Stock Option (right to buy) (1)

$ 10.03

06/03/2011(2)

06/03/2020

Common Stock

30,000

30,000

D

Stock Option (right to buy) (1)

$ 22.44

05/22/2013(2)

05/22/2022

Common Stock

20,000

20,000

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Bowen Robert C/O ABIOMED, INC 22 CHERRY HILL DR DANVERS, MA 01923			Chief Financial Officer

Signatures

/s/ Ian W. McLeod (by power of attorney)		07/16/2012
**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 on Table II, Column 7, under the Abiomed, Inc. 2008 Stock Incentive Plan.
(2)	These options become exerciseable in annual 25% increments, commencing on the date set forth in Table II, Column 6.
(3)	Sale of common stock pursuant to reporting owner's 10(b)5-1 plan.
(4)	This price represents the weighted average sale price of multiple transactions on the reported date at prices that ranged between $24.0000 and $24.4200. Detailed information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, the Issuer, or a security holder of the Issuer.

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