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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. )*
CIPHERGEN BIOSYSTEMS, INC.
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(Name of Issuer)
Common Stock, $.001 Par Value
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(Title of Class of Securities)
17252Y 10 4
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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 the
file reporting beneficial ownership of more than five percent of the class of
securities described in Item 1; and (2) has 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 our for a reporting person's
initial filing of 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).
(Continued on following page(s))
Page 1 of 5 Pages
2
CUSIP NO. 17252Y 10 4 13G PAGE 2 OF 5 PAGES
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
S.R. One, Limited
23-1729901
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [ ]
(b) [ ]
3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Pennsylvania Business Trust
5 SOLE VOTING POWER
NUMBER OF 1,952,987
SHARES
BENEFICIALLY 6 SHARED VOTING POWER
OWNED BY
EACH
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON 1,952,987
WITH
8 SHARED DISPOSITIVE POWER
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,952,987
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
[ ]
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
7.3%
12 TYPE OF REPORTING PERSON*
CO
*SEE INSTRUCTION BEFORE FILLING OUT!
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CUSIP NO. 17252Y 10 4 13G PAGE 3 OF 5 PAGES
Item 1. (a). Name of Issuer:
Ciphergen Biosystems, Inc.
(b). Address of Issuer's Principal Executive Offices:
490 San Antonio Road
Palo Alto, CA 94306
Item 2. (a). Name of Person Filing:
S.R. One, Limited
(b). Address of Principal Business office:
Four Tower Bridge
200 Barr Harbor Drive, Suite 250
West Conshohocken, PA 19428-2977
(c). Citizenship:
Pennsylvania
(d). Title of Class of Securities:
Common stock.
(e). CUSIP Number:
17252Y 10 4
Item 3. Not Applicable.
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CUSIP NO. 17252Y 10 4 13G PAGE 4 OF 5 PAGES
Item 4. Ownership.
The information in items 1 and 5 through 11
on the cover pages (page 2) on Schedule 13G
is hereby incorporated by reference. Shares
reported include 34,400 issued and
exercisable stock options granted by Issuer.
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 five percent
of the class of securities, check the
following [ ].
Item 6. Ownership of More Than Five Percent on Behalf
of Another Person:
Not applicable.
Item 7. Identification and Classification of Subsidiaries
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.
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CUSIP NO. 13G PAGE 5 OF 5 PAGES
Item 9. Notice of Dissolution of Group:
Not Applicable
Item 10. Certification:
By signing below I certify that, to the best of
my knowledge and belief, the securities referred
to above were acquired and are not held for the
purpose of or with the effect of changing or
influencing the control of the issuer of such
securities and were not acquired in connection
with or as a participant in any transaction having
such purpose or effect.
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.
S.R. One, Limited
By: /s/
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Donald A. Parman
Secretary
Dated: February 13, 2001