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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 13D-2(B)
(Amendment No. )(1)
Progenitor, Inc.
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(Name of Issuer)
Common Stock, $.001 par value
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(Title of Class of Securities)
743188 10 4
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(CUSIP Number)
1 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).
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CUSIP NO. 743188 10 4 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 PERSONS (ENTITIES ONLY)
Interneuron Pharmaceuticals, Inc.
04-3047911
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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
Delaware
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(5) SOLE VOTING POWER
NUMBER OF 5,450,664
SHARES --------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
OWNED BY 0
EACH --------------------------------------------------------
REPORTING (7) SOLE DISPOSITIVE POWER
PERSON WITH 5,450,664
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(8) SHARED DISPOSITIVE POWER
0
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(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
5,450,664
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(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES* [ ]
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(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
39.2%
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(12) TYPE OF REPORTING PERSON*
CO
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*SEE INSTRUCTIONS BEFORE FILLING OUT!
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Page 3 of 5
Item 1(a). Name of Issuer :
Progenitor, Inc. (the "Issuer")
Item 1(b). Address of Issuer's Principal Executive Offices:
4040 Campbell Avenue
Menlo Park, California 94025
Item 2(a). Name of Person Filing:
Interneuron Pharmaceuticals, Inc. ("IPI")
Item 2(b). Address of Principal Business Office or if none, Residence:
One Ledgemont Center
99 Hayden Avenue
Lexington, Massachusetts 02173
Item 2(c). Citizenship:
IPI is a corporation organized under the laws of the
State of Delaware.
Item 2(d). Title of Class of Securities:
Common Stock, $.001 par value ("Shares")
Item 2(e). CUSIP Number:
743188 10 4
Item 3. Not Applicable
Item 4. Ownership as of December 31, 1997
(a) IPI is the beneficial owner of 5,450,664 Shares. Includes
500,000 Shares issuable upon exercise of options which are
immediately exercisable.
(b) The 5,450,664 Shares beneficially owned by IPI constitute
39.2% of the Shares of the Issuer outstanding.
(c) (i)-(iv) Reference is made to items 5-8 of the cover page.
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Page 4 of 5
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:
Not Applicable
Item 7. Identification and Classification of Subsidiary Which Acquired
the Securities:
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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Page 5 of 5
SIGNATURES
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.
Dated: February 10, 1998 Interneuron Pharmaceuticals, Inc.
Lexington,
Massachusetts
By: /s/ Glenn L. Cooper, M.D.
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Glenn L. Cooper, M.D., President
