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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. 3)*
Molten Metal Technology, Inc.
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(Name of Issuer)
Common Stock, $.01 par value per share
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(Title of Class of Securities)
608712105
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(CUSIP Number)
Check the following box if a fee is being paid with this statement: [ ]
(A fee is not required only if the filing 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 information required in 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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* 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 the disclosures provided in a prior cover page.
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CUSIP NO. 608712105 13G PAGE 2 OF 5 PAGES
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1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
John T. Preston
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) [ ] (b) [ ]
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3 SEC USE ONLY
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4 CITIZENSHIP OR PLACE OF ORGANIZATION
USA
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5 SOLE VOTING POWER
NUMBER OF
SHARES 2,287,557
BENEFICIALLY ----------------------------------------------------------
OWNED BY 6 SHARED VOTING POWER
EACH
REPORTING 500
PERSON ----------------------------------------------------------
WITH 7 SOLE DISPOSITIVE POWER
2,287,557
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8 SHARED DISPOSITIVE POWER
500
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9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,287,557
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10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
[X]
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11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
9.69%
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12 TYPE OF REPORTING PERSON*
IN
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CUSIP No. 608712105 13G Page 3 of 5 Pages
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ITEM 1: (a) Name of Issuer:
MOLTEN METAL TECHNOLOGY, INC.
(b) Address of Issuer's Principal Executive Offices:
400-2 Totten Pond Road
Waltham, Massachusetts 02154
ITEM 2: (a) Name of Persons Filing:
John T. Preston
(b) Address of Principal Business Office or, if none, Residence:
Molten Metal Technology, Inc.
400-2 Totten Pond Road
Waltham, Massachusetts 02154
(c) Citizenship:
Reporting person is a US Citizen
(d) Title of Class of Securities:
Common Stock
(e) CUSIP Number:
608712105
ITEM 3: If this statement is filed pursuant to Rules 13d-1(b) or 13d-2(b),
check whether the filing person is a:
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(a)___ Broker or Dealer registered under [Section]15 of the Act
(b)___ Bank as defined in [Section]3(a)(6) of the Act
(c)___ Insurance Company as defined in [Section]3(a)(19) of the Act
(d)___ Investment Company registered under [Section]8 of the
Investment Company Act
(e)___ Investment Advisor registered under [Section]203 of the
Investment Advisers Act of 1940
(f)___ Employee Benefit Plan, Pension Fund which is subject to the
provisions of Employee Retirement Income Security Act of 1974
or Endowment Fund; see [Section]240.13(d)-1(b)(1)(ii)(F)
(g)___ Parent Holding Company in accordance with
[Section]240.13(d)-1(b)(1)(ii)(G) (note see item 7)
(h)___ Group, in accordance with [Section]240.13-31(b)(1)(ii)(H)
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CUSIP No. 608712105 13G Page 4 of 5 Pages
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ITEM 4: Ownership (as December 31, 1996)
(a) Amount Beneficially Owned -- see item 9 of cover pages
(b) Percent of Class -- see item 11 of cover pages
(c) Number of shares as to which such person has:
(i) sole power to vote or direct the vote
(ii) shared power to vote or direct the vote
(iii) sole power to dispose or direct the disposition of
(iv) shared power to dispose or direct the disposition of
see items 5-8 of cover pages
ITEM 5: Ownership of Five Percent or Less of a Class:
If this statement is being filed to report the fact that as of the
date hereof the reporting person has ceased to be the beneficial
owners of more than five percent of the class of securities, check
the following [ ].
ITEM 6: Ownership of More than Five Percent on Behalf of Another Person:
n/a
ITEM 7: Identification and Classification of the Subsidiary Which Acquired the
Security Being Reported on by the Parent Holding Company:
n/a
ITEM 8: Identificaition and Classification of Members of the Group:
n/a
ITEM 9: Notice of Dissolution of Group:
n/a
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CUSIP No. 608712105 13G Page 5 of 5 Pages
ITEM 10: Certification
n/a
After reasonably 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.
Date: 2-3-1997
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By: /s/ John T. Preston
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John T. Preston
