SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* BOLT WILLIAM J (Last) (First) (Middle) C/O ABIOMED, INC. 22 CHERRY HILL DRIVE (Street) DANVERS MA 01923 (City) (State) (Zip)	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) SVP, DA and QA
	3. Date of Earliest Transaction (Month/Day/Year) 06/28/2004
	4. If Amendment, Date of 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

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								2,000	D
Common Stock, $.01 par value	06/28/2004		M		10,000(10)	A	$5.313	12,000	D
Common Stock, $.01 par value	06/28/2004		S		10,000(10)	D	$14.25	2,000	D

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 Securities Underlying Derivative Security (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: 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)(2)	$5.313	06/28/2004		D			10,000(10)	12/14/2000(1)	12/14/2005	Common Stock	51,000	$0	41,000	D
Stock Option (right to buy)(2)	$6.25							08/12/2001(1)	08/12/2006	Common Stock	20,000		20,000	D
Stock Option (right to buy)(2)	$6.688							07/01/2001(5)	07/01/2009	Common Stock	20,000		20,000	D
Stock Option (right to buy)(3)	$15.563							06/28/2002(6)	06/28/2010	Common Stock	40,000		40,000	D
Stock Option (right to buy)(4)	$24.12							06/22/2003(7)	06/22/2011	Common Stock	25,000		25,000	D
Stock Option (right to buy)(4)	$6.75							06/25/2004(8)	06/25/2012	Common Stock	50,000		50,000	D
Stock Option (right to buy)(3)	$5.11							06/25/2005(9)	06/25/2013	Common Stock	16,000		16,000	D

Explanation of Responses:

1. Options were fully exercisable on the date shown.

2. Grant to reporting person of this option to buy the number of Common Stock set forth in Table II, Column 7, under the ABIOMED, Inc. 1992 Combination Stock Option Plan.

3. Grant to reporting person of this option to buy the number of Common Stock set forth in Table II, Column 7, under the ABIOMED, Inc. 1998 Equity Incentive Plan.

4. Grant to reporting person of this option to buy the number of Common Stock set forth in Table II, Column 7, under the ABIOMED, Inc. 2000 Stock Incentive Plan.

5. Thirty percent of this option will become exercisable on each of 7/1/01 and 7/1/02 and an addtional 40 percent will become exercisable on 7/1/03.

6. Thirty percent of this option will become exercisable on each of 6/28/02 and 6/28/03 and an addtional 40 percent will become exercisable on 6/28/04.

7. Thirty percent of this option will become exercisable on each of 6/22/03 and 6/22/04 and an addtional 40 percent will become exercisable on 6/22/05.

8. Thirty percent of this option will become exercisable on each of 6/25/04 and 6/25/05 and an addtional 40 percent will become exercisable on 6/25/06.

9. Thirty percent of this option will become exercisable on each of 6/25/05 and 6/25/06 and an addtional 40 percent will become exercisable on 6/25/07.

10. Stock was acquired and sold pursuant to a Sales Plan compliant with the requirements of SEC Rule 10b5-1.

	/s/ Charles B. Haaser (attorney-in-fact)	06/29/2004
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.