<PAGE>
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
_____________________
SCHEDULE 13G
(Rule 13d-102)
INFORMATION TO BE INCLUDED IN STATEMENTS
FILED PURSUANT TO RULES 13d-1(b) AND (c)
AND AMENDMENTS THERETO
FILED PURSUANT TO RULE 13d-2(b)
(Amendment No. 1)
Cambridge Heart, Inc.
---------------------
(Name of Issuer)
Common Stock, $.001 par value per share
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(Title of Class of Securities)
131910101
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(CUSIP Number)
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SCHEDULE 13G
CUSIP NO. 131910101 PAGE 2 OF 6
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NAMES OF REPORTING PERSONS.
1 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).
Jeffrey M. Arnold
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
2 (a) [_]
(b) [_]
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SEC USE ONLY
3
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CITIZENSHIP OR PLACE OF ORGANIZATION
4
United States of America
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SOLE VOTING POWER
5
698,565 shares (Includes 539,902 shares issuable
within 60 days of December 31, 1998 upon the
NUMBER OF exercise of vested stock options.)
SHARES -----------------------------------------------------------
SHARED VOTING POWER
BENEFICIALLY 6
0 Shares
OWNED BY
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EACH SOLE DISPOSITIVE POWER
7
REPORTING 698,565 shares (Includes 539,902 shares issuable
within 60 days of December 31, 1998 upon the exercise
PERSON of vested stock options.
WITH -----------------------------------------------------------
SHARED DISPOSITIVE POWER
0 Shares
- ------------------------------------------------------------------------------
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
9
698,565 shares (Includes 539,902 shares issuable within 60 days of
December 31, 1998 upon the exercise of vested stock options.)
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CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
10 (SEE INSTRUCTIONS)
[_]
Not Applicable
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
11
6.4%
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TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
12
IN
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CUSIP No. 131910101 Page 3 of 6
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SCHEDULE 13G
Item 1(a). Name of Issuer:
- ---------------------------
Cambridge Heart, Inc.
Item 1(b). Address of Issuer's Principal Executive Offices:
- ------------------------------------------------------------
One Oak Park Drive
Bedford, MA 01730
Item 2(a). Name of Person Filing:
- ----------------------------------
Jeffrey M. Arnold
Item 2(b). Address of
Principal Business Office or, if None, Residence:
- -------------------------------------------------
c/o Cambridge Heart, Inc.
One Oak Park Drive
Bedford, MA 01730
Item 2(c). Citizenship:
- ------------------------
United States of America
Item 2(d). Title of Class of Securities:
- -----------------------------------------
Common Stock, $.001 par value per share
Item 2(e). CUSIP Number:
- -------------------------
131910101
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CUSIP No. 131910101 Page 4 of 6
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Item 3. Identity of person filing pursuant to Rules 13d-1(b) or 13d-2(b):
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Not Applicable
Item 4. Ownership:
- -------------------
(a) Amount Beneficially Owned:
698,565 shares (Includes 539,902 shares issuable within 60 days of
December 31, 1998 upon the exercise of vested stock options.)
(b) Percent of Class:
6.4%
(c) Number of shares as to which such person has:
(i) sole power to vote or to direct the vote:
698,565 shares (Includes 539,902 shares issuable within 60 days
of December 31, 1998 upon the exercise of vested stock
options.);
(ii) shared power to vote or to direct the vote:
0 Shares;
(iii) sole power to dispose or to direct the
disposition of:
698,565 shares (Includes 539,902 shares issuable within 60 days
of December 31, 1998 upon the exercise of vested stock
options.);
(iv) shared power to dispose or to direct the
disposition of:
0 Shares.
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CUSIP No. 131910101 Page 5 of 6
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Item 5. Ownership of Five Percent or Less of a Class:
- ------------------------------------------------------
Not Applicable
Item 6. Ownership of More Than Five Percent on Behalf of Another Person:
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Not Applicable
Item 7. Identification and Classification of the Subsidiary which Acquired the
Security Being Reported by the Parent Holding Company:
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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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CUSIP No. 131910101 Page 6 of 6
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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 2, 1999
------------------------------------
Date
/s/ Jeffrey M. Arnold
-----------------------------------
Jeffrey M. Arnold
