<PAGE>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities and Exchange Act of 1934
(Amendment No. 7)
ABIOMED, Inc.
(Name of Issuer)
Common Stock, $0.01 Par Value
(Title of Class of Securities)
003654 10 0
(CUSIP Number)
<PAGE>
<TABLE>
<S>
<C>
<C>
1
NAME OF REPORTING PERSON
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Dr. David M. Lederman
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
N/A
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
U.S.A.
NUMBER OF
5
SOLE VOTING POWER
595,277 shares
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
6
SHARED VOTING POWER
0 shares
PERSON
WITH
7
SOLE DISPOSITIVE POWER
595,277 shares
8
SHARED DISPOSITIVE POWER
0 shares
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
595,277 shares
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES*
X
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
6.96%
12
TYPE OF REPORT*
IN
</TABLE>
<PAGE>
<TABLE>
<S>
<C>
<C>
1
NAME OF REPORTING PERSON
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Ms. Natalie F. Lederman
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
N/A
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
U.S.A.
NUMBER OF
5
SOLE VOTING POWER
725,923 shares
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
6
SHARED VOTING POWER
0 shares
PERSON
WITH
7
SOLE DISPOSITIVE POWER
725,923 shares
8
SHARED DISPOSITIVE POWER
0 shares
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON
725,923 shares
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
CERTAIN SHARES*
X
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
8.49%
12
TYPE OF REPORT*
IN
</TABLE>
<PAGE>
Item 1(a)
Name of Issuer: ABIOMED, Inc.
Item 1(b)
Address of Issuer's Principal Executive Offices:
33 Cherry Hill Drive, Danvers, Massachusetts 01923
Item 2(a)
Name of Person Filing:
David M. Lederman and Natalie F. Lederman
Item 2(b)
Address of Principal Business Office or, if none, Residence:
33 Cherry Hill Drive, Danvers, Massachusetts 01923
Item 2(c)
Citizenship: USA
Item 2(d)
Title of Class of Securities: Common Stock, $.01 par value
Item 2(e)
CUSIP Number: 003654 10 0
Item 3
Not Applicable
Item 4
Ownership:
(a) Amount Beneficially Owned: David M. Lederman owns
595,277 shares of Common Stock. Natalie Lederman, his
spouse owns 725,923 shares of Common Stock. Each of
Dr. Lederman and Ms. Lederman disclaims beneficial
ownership of the shares held by the other.
(b) Percent of Class: Dr. Lederman: 6.96%
Ms. Lederman 8.49%
Total: 15.45%
<PAGE>
(c) Number of Shares as to which such person has:
(i) sole power to vote or to direct the vote:
Dr. Lederman: 595,277 shares
Ms. Lederman 725,923 shares
Total: 1,321,200
(ii) shared power to vote or to direct the vote:
0 shares
(iii) sole power to dispose or to direct the disposition of:
Dr. Lederman: 595,277 shares
Ms. Lederman 725,923 shares
Total: 1,321,200
(iv) shared power to dispose or to direct the disposition
of:
0 shares
Item 5
Ownership of Five Percent or Less of Class:
Not Applicable
Item 6
Ownership of More than Five Percent on Behalf of Another Person:
Not Applicable
Item 7
Identification and Classification of the Subsidiary Which Acquired
the Security Being Reported on By the Parent Holding Company:
Not Applicable
Item 8
Identification and Classification of Members of the Group:
Not Applicable
Item 9
Notice of Dissolution of Group:
Not Applicable
Item 10
Certification:
Not Applicable
<PAGE>
SIGNATURE
After reasonable inquiry and to the best of my knowledge and
belief, I certify that the information set forth in this statement is
true, complete and correct.
<TABLE>
<S>
<C>
February 5, 1998
Date
February 5, 1998
Date
/s/David M. Lederman
Signature
/s/Natalie F. Lederman
Signature
David M. Lederman
Name
Natalie F. Lederman
Name
</TABLE>
Page 6 of 6 pages
Page 1 of 6 pages
