<PAGE>
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OMB APPROVAL
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OMB Number: 3235-0415
Expires: October 31, 1997
Estimated average burden
hours per response . . 14.90
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 6)*
ABIOMED, Inc.
- --------------------------------------------------------------------------------
(Name of Issuer)
Common Stock, $.01 Par Value
- --------------------------------------------------------------------------------
(Title of Class of Securities)
003654-10-0
- --------------------------------------------------------------------------------
(CUSIP Number)
Check the following box if a fee is being paid with the statement [_]. (A fee
is not required only if the reporting person: (1) has a previous statement on
file reporting beneficial ownership of more than five percent of the class of
securities described in Item 1; and (2) has filed no amendment subsequent
thereto reporting beneficial ownership of five percent or less of such class.)
(See Rule 13d-7.)
*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities,
and for any subsequent amendment containing information which would alter
disclosures provided in a prior cover page.
The information required on the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act (however, see
the Notes).
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- ----------------------- ---------------------
CUSIP NO. 003654-10-0 13G PAGE 2 OF 6 PAGES
- ----------------------- ---------------------
- ------------------------------------------------------------------------------
NAME OF REPORTING PERSON
1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Dr. David M. Lederman
- ------------------------------------------------------------------------------
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
2 (a) [_]
N/A (b) [_]
- ------------------------------------------------------------------------------
SEC USE ONLY
3
- ------------------------------------------------------------------------------
CITIZENSHIP OR PLACE OF ORGANIZATION
4
U.S.A
- ------------------------------------------------------------------------------
SOLE VOTING POWER
5
NUMBER OF
749,800
SHARES -----------------------------------------------------------
SHARED VOTING POWER
BENEFICIALLY 6
0
OWNED BY
-----------------------------------------------------------
EACH SOLE DISPOSITIVE POWER
7
REPORTING 749,800
PERSON -----------------------------------------------------------
SHARED DISPOSITIVE POWER
WITH 8
0
- ------------------------------------------------------------------------------
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
9
0
- ------------------------------------------------------------------------------
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
10 CERTAIN SHARES* [_]
X
- ------------------------------------------------------------------------------
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
11
10.7%
- ------------------------------------------------------------------------------
TYPE OF REPORTING PERSON*
12
IN
- ------------------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
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CUSIP NO. 003654-10-0 13G PAGE 3 OF 6 PAGES
- ----------------------- ---------------------
- ------------------------------------------------------------------------------
NAME OF REPORTING PERSON
1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Ms. Natalie F. Lederman
- ------------------------------------------------------------------------------
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
2 (a) [_]
N/A (b) [_]
- ------------------------------------------------------------------------------
SEC USE ONLY
3
- ------------------------------------------------------------------------------
CITIZENSHIP OR PLACE OF ORGANIZATION
4
U.S.A
- ------------------------------------------------------------------------------
SOLE VOTING POWER
5
NUMBER OF
744,400
SHARES -----------------------------------------------------------
SHARED VOTING POWER
BENEFICIALLY 6
0
OWNED BY
-----------------------------------------------------------
EACH SOLE DISPOSITIVE POWER
7
REPORTING 744,400
PERSON -----------------------------------------------------------
SHARED DISPOSITIVE POWER
WITH 8
0
- ------------------------------------------------------------------------------
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
9
744,400
- ------------------------------------------------------------------------------
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
10 CERTAIN SHARES* [_]
X
- ------------------------------------------------------------------------------
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
11
10.7%
- ------------------------------------------------------------------------------
TYPE OF REPORTING PERSON*
12
IN
- ------------------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
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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 749,800 shares of
Common Stock. Natalie Lederman, his spouse, owns 744,400 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: 10.7 %
Ms. Lederman: 10.7 %
-------
Total: 21.4 %
<PAGE>
(c) Number of Shares as to which such person has:
(i) sole power to vote or to direct the vote:
Dr. Lederman: 749,800 shares
Ms. Lederman: 744,400 shares
----------------
Total: 1,494,200 shares
(ii) shared power to vote or to direct the vote: 0
(iii) sole power to dispose or to direct the disposition of:
Dr. Lederman: 749,800 shares
Ms. Lederman: 744,400 shares
----------------
Total: 1,494,200 shares
(iv) shared power to dispose or to direct the disposition of: 0
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
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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.
February 10, 1997 February 10, 1997
- ------------------------------ ---------------------------------
Date Date
- ---- ----
/s/David M. Lederman /s/Natalie F. Lederman
- ------------------------------ ---------------------------------
Signature Signature
David M. Lederman Natalie F. Lederman
- ------------------------------ ---------------------------------
Name Name
<PAGE>
----------------------------
OMB APPROVAL
----------------------------
OMB Number: 3235-0415
Expires: October 31, 1997
Estimated average burden
hours per response . . 14.90
----------------------------
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. )*
ABIOMED, Inc.
- --------------------------------------------------------------------------------
(Name of Issuer)
Common Stock, $.01 Par Value
- --------------------------------------------------------------------------------
(Title of Class of Securities)
003654-10-0
- --------------------------------------------------------------------------------
(CUSIP Number)
Check the following box if a fee is being paid with the statement [X]. (A fee
is not required only if the reporting person: (1) has a previous statement on
file reporting beneficial ownership of more than five percent of the class of
securities described in Item 1; and (2) has filed no amendment subsequent
thereto reporting beneficial ownership of five percent or less of such class.)
(See Rule 13d-7.)
*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities,
and for any subsequent amendment containing information which would alter
disclosures provided in a prior cover page.
The information required on the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act (however, see
the Notes).
Page 1 of 5 Pages
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CUSIP NO. 003654-10-0 13G PAGE 2 OF 5 PAGES
- ----------------------- ---------------------
- ------------------------------------------------------------------------------
NAME OF REPORTING PERSON
1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Dr. David M. Lederman
- ------------------------------------------------------------------------------
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
2 (a) [_]
N/A (b) [_]
- ------------------------------------------------------------------------------
SEC USE ONLY
3
- ------------------------------------------------------------------------------
CITIZENSHIP OR PLACE OF ORGANIZATION
4
U.S.A
- ------------------------------------------------------------------------------
SOLE VOTING POWER
5
NUMBER OF
1,719,100
SHARES -----------------------------------------------------------
SHARED VOTING POWER
BENEFICIALLY 6
0
OWNED BY
-----------------------------------------------------------
EACH SOLE DISPOSITIVE POWER
7
REPORTING 1,719,100
PERSON -----------------------------------------------------------
SHARED DISPOSITIVE POWER
WITH 8
None
- ------------------------------------------------------------------------------
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
9
1,719,100
- ------------------------------------------------------------------------------
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
10 CERTAIN SHARES* [_]
X
- ------------------------------------------------------------------------------
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
11
46.1%
- ------------------------------------------------------------------------------
TYPE OF REPORTING PERSON*
12
IN
- ------------------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<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
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: 1,719,100 shares, including 1,428,000
shares of Class A Common Stock which are convertible into the same
number of shares of Common Stock. Does not include 129,600 shares of
Common Stock held by members of the filing person's family or trusts
for the benefit of such members for which the filing person disclaims
beneficial ownership.
(b) Percent of Class: 46.1%
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(c) Number of Shares as to which such person has:
(i) sole power to vote or to direct the vote:
1,719,100 shares
(ii) shared power to vote or to direct the vote: None
(iii) sole power to dispose or to direct the disposition of:
1,719,000 shares
(iv) shared power to dispose or to direct the disposition of: None
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.
February 12, 1988
- ------------------------
Date
/s/David M. Lederman
- ------------------------
Signature
David M. Lederman, CEO
- ------------------------
Name/Title
