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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. 4)
DIACRIN, INC.
- --------------------------------------------------------------------------------
(Name of Issuer)
Common Stock
- --------------------------------------------------------------------------------
(Title of Class of Securities)
25243N 10 3
- --------------------------------------------------------------------------------
(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 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.
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).
Page 1 of 5 Pages
SEC 1745 (2-95)
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CUSIP NO. 25243N 10 3 PAGE 2 OF 5 PAGES
<TABLE>
<S> <C>
- --------------------------------------------------------------------------------------------------------------
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
THOMAS H. FRASER
- --------------------------------------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) / / (b) /X/
- --------------------------------------------------------------------------------------------------------------
3 SEC USE ONLY
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4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States
- --------------------------------------------------------------------------------------------------------------
5 SOLE VOTING POWER
560,238(1)
NUMBER OF ------------------------------------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY -0-
EACH ------------------------------------------------------------------------------------------
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON
WITH 560,238(1)
------------------------------------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
-0-
- ---------------------------------------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
560,238(1)
- --------------------------------------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
- --------------------------------------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
4.2%
- --------------------------------------------------------------------------------------------------------------
12 TYPE OF REPORTING*
IN
- --------------------------------------------------------------------------------------------------------------
- --------------------------------------------------------------------------------------------------------------
</TABLE>
Page 2 of 5 pages
(1) Includes 81,543 shares of Common Stock issuable upon the exercise of stock
options exercisable within 60 days of December 31, 1996, and 12,500 shares of
Common Stock issuable upon the exercise of Common Stock Purchase Warrants
originally issued on February 12, 1996.
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CUSIP NO. 25243N 10 3 13G Page 3 of 5 Pages
Item 1(a). Name of Issuer:
- ---------- ---------------
Diacrin, Inc. (the "Company")
Item 1(b). Address of Issuer's Principal Executive Offices:
- ---------- ------------------------------------------------
Diacrin, Inc.
Building 96, 13th Street
Charlestown Navy Yard
Charlestown, MA 02129
Item 2(a). Name of Person Filing:
- ---------- ----------------------
Thomas H. Fraser
Item 2(b). Address of Principal Business Office or, if none, Residence:
- ---------- ------------------------------------------------------------
Diacrin, Inc.
Building 96, 13th Street
Charlestown Navy Yard
Charlestown, MA 02129
Item 2(c). Citizenship.
- ---------- ------------
Dr. Fraser is a citizen of the United States of America
Item 2(d). Title of Class of Securities:
- ---------- -----------------------------
Common Stock, $.01 par value
Item 2(e). CUSIP Number:
- ---------- -------------
25243N 10 3
Item 3. Status if filed pursuant to Rules 13d-1(b) or 13d-2(b):
- ------- -------------------------------------------------------
Not Applicable.
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CUSIP NO. 25243N 10 3 13G Page 4 of 5 Pages
Item 4. Ownership:
- ------- ----------
(a) Amount Beneficially Owned by Reporting Person,
(i) 560,238 (1)
(b) Percent of Class,
4.2%
(c) Number of Shares as to which Reporting Person has:
(i) sole power to vote or to direct the vote:
560,238 (1)
(ii) shared power to vote or to direct the vote:
-0-
(iii) sole power to dispose or to direct the disposition of:
560,238 (1)
(iv) shared power to dispose or to direct the disposition of:
-0-
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
owner of more than 5% of the class of securities, check the following:
___
/_X_/
- -----------------------------
(1) Includes 81,543 shares of Common Stock issuable upon the exercise of stock
options exercisable within 60 days of December 31, 1996, and 12,500 shares
of Common Stock issuabale upon the exercise of Common Stock Purchase
Warrants originally issued on February 12, 1996.
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CUSIP NO. 25243N 10 3 13G Page 5 of 5 Pages
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 6, 1997
/s/ Thomas H. Fraser
------------------------------
Thomas H. Fraser
President and
Chief Executive Officer