SECURITIES AND EXCHANGE COMMISSION
Washington D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
BIOSITE DIAGNOSTICS INCORPORATED
(Name of Issuer)
Common Stock, $0.01 Par Value
(Title of Class of Securities)
090945106
(CUSIP Number)
April 28, 1998
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed.
[ ] Rule 13d-1(b)
[ ] Rule 13d-(c)
[ X ] Rule 13d-1(c)
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 this section of
the Act but shall be subject to all other provisions of the Act however, see
the Notes).
<PAGE>
CUSIP NO. 090945106
1 Name of Reporting Person S.S. or I.R.S. Identification No. of above Person
C. G. GREFENSTETTE, TRUSTEE FOR VARIOUS TRUSTS
I.D. ####-##-####
2 Check the Appropriate Box if Member of a Group (a) [ X ]
(b) [ ]
3 SEC Use Only
4 Citizenship of Place of Organization
U.S.
Number of 5 Sole Voting Power
Shares
Beneficially
Owned by 6 Shared Voting Power
Each 1,638,688 (See Item(4)(a))
Reporting
Person 7 Sole Dispositive Power
With
8 Shared Dispositive Power
1,638,688 (See Item (4)(a))
9 Aggregate Amount Beneficially Owned by Each Reporting Person
1,638,688
10 Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares
11 Percent of Class Represented by Amount in Row (11)
12.73%
12 Type of Reporting Person
IN
<PAGE>
CUSIP NO. 090945106
1 Name of Reporting Person S.S. or I.R.S. Identification No. of above Person
THOMAS G. BIGLEY, TRUSTEE FOR VARIOUS TRUSTS
I.D. #
2 Check the Appropriate Box if Member of a Group (a) [ X ]
(b) [ ]
3 SEC Use Only
4 Citizenship of Place of Organization
U.S.
Number of 5 Sole Voting Power
Shares
Beneficially
Owned by 6 Shared Voting Power
Each 163,852 (See Item(4)(a))
Reporting
Person 7 Sole Dispositive Power
With
8 Shared Dispositive Power
163,852 (See Item (4)(a))
9 Aggregate Amount Beneficially Owned by Each Reporting Person
163,852
10 Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares
11 Percent of Class Represented by Amount in Row (11)
1.27%
12 Type of Reporting Person
IN
<PAGE>
CUSIP NO. 090945106
1 Name of Reporting Person S.S. or I.R.S. Identification No. of above Person
HENRY L. HILLMAN
I.D. ####-##-####
2 Check the Appropriate Box if Member of a Group (a) [ X ]
(b) [ ]
3 SEC Use Only
4 Citizenship of Place of Organization
U.S.
Number of 5 Sole Voting Power
Shares
Beneficially
Owned by 6 Shared Voting Power
Each 1,474,836 (See Item(4)(a))
Reporting
Person 7 Sole Dispositive Power
With
8 Shared Dispositive Power
1,474,836 (See Item (4)(a))
9 Aggregate Amount Beneficially Owned by Each Reporting Person
1,474,836
10 Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares
11 Percent of Class Represented by Amount in Row (11)
11.45%
12 Type of Reporting Person
IN
<PAGE>
CUSIP NO. 090945106
1 Name of Reporting Person S.S. or I.R.S. Identification No. of above Person
ELSIE HILLIARD HILLMAN
I.D. ####-##-####
2 Check the Appropriate Box if Member of a Group (a) [ X ]
(b) [ ]
3 SEC Use Only
4 Citizenship of Place of Organization
U.S.
Number of 5 Sole Voting Power
Shares
Beneficially
Owned by 6 Shared Voting Power
Each 1,474,836 (See Item(4)(a))
Reporting
Person 7 Sole Dispositive Power
With
8 Shared Dispositive Power
1,474,836 (See Item (4)(a))
9 Aggregate Amount Beneficially Owned by Each Reporting Person
1,474,836
10 Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares
11 Percent of Class Represented by Amount in Row (11)
11.45%
12 Type of Reporting Person
IN
<PAGE>
CUSIP NO. 090945106
1 Name of Reporting Person S.S. or I.R.S. Identification No. of above Person
FREDERICK J. DOTZLER
I.D. #
2 Check the Appropriate Box if Member of a Group (a) [ X ]
(b) [ ]
3 SEC Use Only
4 Citizenship of Place of Organization
U.S.
Number of 5 Sole Voting Power
Shares 116,392
Beneficially
Owned by 6 Shared Voting Power
Each 437,501 (See Item(4)(a))
Reporting
Person 7 Sole Dispositive Power
With 116,392
8 Shared Dispositive Power
437,501 (See Item (4)(a))
9 Aggregate Amount Beneficially Owned by Each Reporting Person
553,893
10 Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares
11 Percent of Class Represented by Amount in Row (11)
4.3%
12 Type of Reporting Person
IN
<PAGE>
CUSIP NO. 090945106
1 Name of Reporting Person S.S. or I.R.S. Identification No. of above Person
JOHN M. REHER
I.D. #
2 Check the Appropriate Box if Member of a Group (a) [ X ]
(b) [ ]
3 SEC Use Only
4 Citizenship of Place of Organization
U.S.
Number of 5 Sole Voting Power
Shares 55,196
Beneficially
Owned by 6 Shared Voting Power
Each 437,501 (See Item(4)(a))
Reporting
Person 7 Sole Dispositive Power
With 55,196
8 Shared Dispositive Power
437,501 (See Item (4)(a))
9 Aggregate Amount Beneficially Owned by Each Reporting Person
492,697
10 Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares
11 Percent of Class Represented by Amount in Row (11)
3.83%
12 Type of Reporting Person
IN
<PAGE>
CUSIP NO. 090945106
1 Name of Reporting Person S.S. or I.R.S. Identification No. of above Person
C. G. GREFENSTETTE AND THOMAS G. BIGLEY, TRUSTEES
U/A/T DATED 12/30/76 FOR THE CHILDREN OF JULIET LEA
HILLMAN SIMONDS I.D.# 25-6193084
2 Check the Appropriate Box if Member of a Group (a) [ X ]
(b) [ ]
3 SEC Use Only
4 Citizenship of Place of Organization
Pennsylvania
Number of 5 Sole Voting Power
Shares 5,041
Beneficially
Owned by 6 Shared Voting Power
Each
Reporting
Person 7 Sole Dispositive Power
With 5,041
8 Shared Dispositive Power
9 Aggregate Amount Beneficially Owned by Each Reporting Person
5,041
10 Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares
11 Percent of Class Represented by Amount in Row (11)
.04%
12 Type of Reporting Person
OO
<PAGE>
CUSIP NO. 090945106
1 Name of Reporting Person S.S. or I.R.S. Identification No. of above Person
C. G. GREFENSTETTE AND THOMAS G. BIGLEY, TRUSTEES
U/A/T DATED 12/30/76 FOR THE CHILDREN OF AUDREY
HILLMAN FISHER I.D.# 25-6193085
2 Check the Appropriate Box if Member of a Group (a) [ X ]
(b) [ ]
3 SEC Use Only
4 Citizenship of Place of Organization
Pennsylvania
Number of 5 Sole Voting Power
Shares 5,041
Beneficially
Owned by 6 Shared Voting Power
Each
Reporting
Person 7 Sole Dispositive Power
With 5,041
8 Shared Dispositive Power
9 Aggregate Amount Beneficially Owned by Each Reporting Person
5,041
10 Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares
11 Percent of Class Represented by Amount in Row (11)
.04%
12 Type of Reporting Person
OO
<PAGE>
CUSIP NO. 090945106
1 Name of Reporting Person S.S. or I.R.S. Identification No. of above Person
C. G. GREFENSTETTE AND THOMAS G. BIGLEY, TRUSTEES
U/A/T DATED 12/30/76 FOR THE CHILDREN OF HENRY LEA
HILLMAN, JR. I.D.# 25-6193086
2 Check the Appropriate Box if Member of a Group (a) [ X ]
(b) [ ]
3 SEC Use Only
4 Citizenship of Place of Organization
Pennsylvania
Number of 5 Sole Voting Power
Shares 5,041
Beneficially
Owned by 6 Shared Voting Power
Each
Reporting
Person 7 Sole Dispositive Power
With 5,041
8 Shared Dispositive Power
9 Aggregate Amount Beneficially Owned by Each Reporting Person
5,041
10 Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares
11 Percent of Class Represented by Amount in Row (11)
.04%
12 Type of Reporting Person
OO
<PAGE>
CUSIP NO. 090945106
1 Name of Reporting Person S.S. or I.R.S. Identification No. of above Person
C. G. GREFENSTETTE AND THOMAS G. BIGLEY, TRUSTEES
U/A/T DATED 12/30/76 FOR THE CHILDREN OF WILLIAM
TALBOTT HILLMAN I.D.# 25-6193087
2 Check the Appropriate Box if Member of a Group (a) [ X ]
(b) [ ]
3 SEC Use Only
4 Citizenship of Place of Organization
Pennsylvania
Number of 5 Sole Voting Power
Shares 5,041
Beneficially
Owned by 6 Shared Voting Power
Each
Reporting
Person 7 Sole Dispositive Power
With 5,041
8 Shared Dispositive Power
9 Aggregate Amount Beneficially Owned by Each Reporting Person
5,041
10 Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares
11 Percent of Class Represented by Amount in Row (11)
.04%
12 Type of Reporting Person
OO
<PAGE>
CUSIP NO. 090945106
1 Name of Reporting Person S.S. or I.R.S. Identification No. of above Person
C. G. GREFENSTETTE AND THOMAS G. BIGLEY, TRUSTEES
U/A/T DATED 8/28/68 FOR JULIET LEA HILLMAN I.D.# 25-6094898
2 Check the Appropriate Box if Member of a Group (a) [ X ]
(b) [ ]
3 SEC Use Only
4 Citizenship of Place of Organization
Pennsylvania
Number of 5 Sole Voting Power
Shares 35,922
Beneficially
Owned by 6 Shared Voting Power
Each
Reporting
Person 7 Sole Dispositive Power
With 35,922
8 Shared Dispositive Power
9 Aggregate Amount Beneficially Owned by Each Reporting Person
35,922
10 Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares
11 Percent of Class Represented by Amount in Row (11)
.28%
12 Type of Reporting Person
OO
<PAGE>
CUSIP NO. 090945106
1 Name of Reporting Person S.S. or I.R.S. Identification No. of above Person
C. G. GREFENSTETTE AND THOMAS G. BIGLEY, TRUSTEES
U/A/T DATED 8/28/68 FOR AUDREY HILLIARD HILLMAN
I.D.# 25-6094896
2 Check the Appropriate Box if Member of a Group (a) [ X ]
(b) [ ]
3 SEC Use Only
4 Citizenship of Place of Organization
Pennsylvania
Number of 5 Sole Voting Power
Shares 35,922
Beneficially
Owned by 6 Shared Voting Power
Each
Reporting
Person 7 Sole Dispositive Power
With 35,922
8 Shared Dispositive Power
9 Aggregate Amount Beneficially Owned by Each Reporting Person
35,922
10 Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares
11 Percent of Class Represented by Amount in Row (11)
.28%
12 Type of Reporting Person
OO
<PAGE>
CUSIP NO. 090945106
1 Name of Reporting Person S.S. or I.R.S. Identification No. of above Person
C. G. GREFENSTETTE AND THOMAS G. BIGLEY, TRUSTEES
U/A/T DATED 8/28/68 FOR HENRY LEA HILLMAN, JR.
I.D.# 25-6094897
2 Check the Appropriate Box if Member of a Group (a) [ X ]
(b) [ ]
3 SEC Use Only
4 Citizenship of Place of Organization
Pennsylvania
Number of 5 Sole Voting Power
Shares 35,922
Beneficially
Owned by 6 Shared Voting Power
Each
Reporting
Person 7 Sole Dispositive Power
With 35,922
8 Shared Dispositive Power
9 Aggregate Amount Beneficially Owned by Each Reporting Person
35,922
10 Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares
11 Percent of Class Represented by Amount in Row (11)
.28%
12 Type of Reporting Person
OO
<PAGE>
CUSIP NO. 090945106
1 Name of Reporting Person S.S. or I.R.S. Identification No. of above Person
C. G. GREFENSTETTE AND THOMAS G. BIGLEY, TRUSTEES
U/A/T DATED 8/28/68 FOR WILLIAM TALBOTT HILLMAN
I.D.# 25-6094899
2 Check the Appropriate Box if Member of a Group (a) [ X ]
(b) [ ]
3 SEC Use Only
4 Citizenship of Place of Organization
Pennsylvania
Number of 5 Sole Voting Power
Shares 35,922
Beneficially
Owned by 6 Shared Voting Power
Each
Reporting
Person 7 Sole Dispositive Power
With 35,922
8 Shared Dispositive Power
9 Aggregate Amount Beneficially Owned by Each Reporting Person
35,922
10 Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares
11 Percent of Class Represented by Amount in Row (11)
.28%
12 Type of Reporting Person
OO
<PAGE>
CUSIP NO. 090945106
1 Name of Reporting Person S.S. or I.R.S. Identification No. of above Person
HENRY L. HILLMAN, ELSIE HILLIARD HILLMAN AND
C. G. GREFENSTETTE, TRUSTEES OF THE HENRY L. HILLMAN
TRUST U/A DATED NOVEMBER 18, 1985 I.D.# 18-2145466
2 Check the Appropriate Box if Member of a Group (a) [ X ]
(b) [ ]
3 SEC Use Only
4 Citizenship of Place of Organization
Pennsylvania
Number of 5 Sole Voting Power
Shares 287,099
Beneficially
Owned by 6 Shared Voting Power
Each 1,187,737 (See Item(4)(a))
Reporting
Person 7 Sole Dispositive Power
With 287,099
8 Shared Dispositive Power
1,187,737 (See Item (4)(a))
9 Aggregate Amount Beneficially Owned by Each Reporting Person
1,474,836
10 Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares
11 Percent of Class Represented by Amount in Row (11)
11.45%
12 Type of Reporting Person
OO
<PAGE>
CUSIP NO. 090945106
1 Name of Reporting Person S.S. or I.R.S. Identification No. of above Person
THE HILLMAN COMPANY I.D.# 25-1011286
2 Check the Appropriate Box if Member of a Group (a) [ X ]
(b) [ ]
3 SEC Use Only
4 Citizenship of Place of Organization
Pennsylvania
Number of 5 Sole Voting Power
Shares
Beneficially
Owned by 6 Shared Voting Power
Each 1,187,737 (See Item(4)(a))
Reporting
Person 7 Sole Dispositive Power
With
8 Shared Dispositive Power
1,187,737 (See Item (4)(a))
9 Aggregate Amount Beneficially Owned by Each Reporting Person
1,187,737
10 Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares
11 Percent of Class Represented by Amount in Row (11)
9.22%
12 Type of Reporting Person
CO
<PAGE>
CUSIP NO. 090945106
1 Name of Reporting Person S.S. or I.R.S. Identification No. of above Person
WILMINGTON INVESTMENTS, INC. I.D.# 51-0034468
2 Check the Appropriate Box if Member of a Group (a) [ X ]
(b) [ ]
3 SEC Use Only
4 Citizenship of Place of Organization
Delaware
Number of 5 Sole Voting Power
Shares
Beneficially
Owned by 6 Shared Voting Power
Each 1,187,737 (See Item(4)(a))
Reporting
Person 7 Sole Dispositive Power
With
8 Shared Dispositive Power
1,187,737 (See Item (4)(a))
9 Aggregate Amount Beneficially Owned by Each Reporting Person
1,187,737
10 Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares
11 Percent of Class Represented by Amount in Row (11)
9.22%
12 Type of Reporting Person
CO
<PAGE>
CUSIP NO. 090945106
1 Name of Reporting Person S.S. or I.R.S. Identification No. of above Person
WILMINGTON SECURITIES, INC. I.D.# 51-0114700
2 Check the Appropriate Box if Member of a Group (a) [ X ]
(b) [ ]
3 SEC Use Only
4 Citizenship of Place of Organization
Delaware
Number of 5 Sole Voting Power
Shares
Beneficially
Owned by 6 Shared Voting Power
Each 1,187,737 (See Item(4)(a))
Reporting
Person 7 Sole Dispositive Power
With
8 Shared Dispositive Power
1,187,737 (See Item (4)(a))
9 Aggregate Amount Beneficially Owned by Each Reporting Person
1,187,737
10 Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares
11 Percent of Class Represented by Amount in Row (11)
9.22%
12 Type of Reporting Person
CO
<PAGE>
CUSIP NO. 090945106
1 Name of Reporting Person S.S. or I.R.S. Identification No. of above Person
WILMINGTON INTERSTATE CORPORATION I.D.# 51-0313966
2 Check the Appropriate Box if Member of a Group (a) [ X ]
(b) [ ]
3 SEC Use Only
4 Citizenship of Place of Organization
Delaware
Number of 5 Sole Voting Power
Shares
Beneficially
Owned by 6 Shared Voting Power
Each 1,187,737 (See Item(4)(a))
Reporting
Person 7 Sole Dispositive Power
With
8 Shared Dispositive Power
1,187,737 (See Item (4)(a))
9 Aggregate Amount Beneficially Owned by Each Reporting Person
1,187,737
10 Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares
11 Percent of Class Represented by Amount in Row (11)
9.22%
12 Type of Reporting Person
CO
<PAGE>
CUSIP NO. 090945106
1 Name of Reporting Person S.S. or I.R.S. Identification No. of above Person
HILLMAN/CHESAPEAKE LIMITED PARTNERSHIP I.D.# 51-0315605
2 Check the Appropriate Box if Member of a Group (a) [ X ]
(b) [ ]
3 SEC Use Only
4 Citizenship of Place of Organization
Delaware
Number of 5 Sole Voting Power
Shares
Beneficially
Owned by 6 Shared Voting Power
Each 437,501 (See Item(4)(a))
Reporting
Person 7 Sole Dispositive Power
With
8 Shared Dispositive Power
437,501 (See Item (4)(a))
9 Aggregate Amount Beneficially Owned by Each Reporting Person
437,501
10 Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares
11 Percent of Class Represented by Amount in Row (11)
3.40%
12 Type of Reporting Person
PN
<PAGE>
CUSIP NO. 090945106
1 Name of Reporting Person S.S. or I.R.S. Identification No. of above Person
MEDICUS MANAGEMENT PARTNERS I.D.# 94-3089403
2 Check the Appropriate Box if Member of a Group (a) [ X ]
(b) [ ]
3 SEC Use Only
4 Citizenship of Place of Organization
California
Number of 5 Sole Voting Power
Shares
Beneficially
Owned by 6 Shared Voting Power
Each 437,501 (See Item(4)(a))
Reporting
Person 7 Sole Dispositive Power
With
8 Shared Dispositive Power
437,501 (See Item (4)(a))
9 Aggregate Amount Beneficially Owned by Each Reporting Person
437,501
10 Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares
11 Percent of Class Represented by Amount in Row (11)
3.40%
12 Type of Reporting Person
PN
<PAGE>
CUSIP NO. 090945106
1 Name of Reporting Person S.S. or I.R.S. Identification No. of above Person
MEDICUS VENTURE PARTNERS 1991, A CALIFORNIA
LIMITED PARTNERSHIP I.D.# 94-3130685
2 Check the Appropriate Box if Member of a Group (a) [ X ]
(b) [ ]
3 SEC Use Only
4 Citizenship of Place of Organization
California
Number of 5 Sole Voting Power
Shares 333,334
Beneficially
Owned by 6 Shared Voting Power
Each
Reporting
Person 7 Sole Dispositive Power
With 333,334
8 Shared Dispositive Power
9 Aggregate Amount Beneficially Owned by Each Reporting Person
333,334
10 Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares
11 Percent of Class Represented by Amount in Row (11)
2.6%
12 Type of Reporting Person
PN
<PAGE>
CUSIP NO. 090945106
1 Name of Reporting Person S.S. or I.R.S. Identification No. of above Person
MEDICUS VENTURE PARTNERS 1992, A CALIFORNIA
LIMITED PARTNERSHIP I.D.# 94-3154913
2 Check the Appropriate Box if Member of a Group (a) [ X ]
(b) [ ]
3 SEC Use Only
4 Citizenship of Place of Organization
California
Number of 5 Sole Voting Power
Shares 104,167
Beneficially
Owned by 6 Shared Voting Power
Each
Reporting
Person 7 Sole Dispositive Power
With 104,167
8 Shared Dispositive Power
9 Aggregate Amount Beneficially Owned by Each Reporting Person
104,167
10 Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares
11 Percent of Class Represented by Amount in Row (11)
.81%
12 Type of Reporting Person
PN
<PAGE>
Item 1(a) Name of Issuer
Biosite Diagnostics Incorporated
Item 1(b) Address of Issuer's Principal Executive Office:
11030 Roselle Street, Suite D
San Diego, California 92121
Item 2(a) Name of Person Filing:
(i) Medicus Venture Partners 1992, a California Limited Partnership
whose general partners are Hillman/Chesapeake Limited
Partnership and Medicus Management Partners.
(ii) Medicus Venture Partners 1991, a California Limited Partnership
whose general partners are Hillman/Chesapeake Limited
Partnership and Medicus Management Partners.
(iii) Hillman/Chesapeake Limited Partnership, a Delaware limited
partnership whose general partner is Wilmington Interstate
Corporation.
(iv) Medicus Management Partners, a California general partnership
whose general partners are Frederick J. Dotzler and John Reher.
(v) Wilmington Interstate Corporation, a wholly-owned subsidiary of
Wilmington Securities, Inc.
(vi) Wilmington Securities, Inc., a wholly-owned subsidiary of
Wilmington Investments, Inc.
(vii) Wilmington Investments, Inc., a wholly-owned subsidiary of The
Hillman Company.
(viii) The Hillman Company, a corporation controlled by the HLH Trust.
(ix) Henry L. Hillman, Elsie Hilliard Hillman and C. G. Grefenstette,
Trustees of the Henry L. Hillman Trust U/A dated November 18,
1985 (the "HLH Trust").
(x) C. G. Grefenstette and Thomas G. Bigley, Trustees U/A/T
dated 8/28/68 for Juliet Lea Hillman (the "1968 JLH Trust").
(xi) C. G. Grefenstette and Thomas G. Bigley, Trustees U/A/T
dated 8/28/68 for Audrey Hilliard Hillman (the "1968 AHH Trust").
(xii) C. G. Grefenstette and Thomas G. Bigley, Trustees U/A/T
dated 8/28/68 for Henry Lea Hillman, Jr. (the "1968 HLH Trust").
(xiii) C. G. Grefenstette and Thomas G. Bigley, Trustees U/A/T
dated 8/28/68 for William Talbott Hillman (the "1968 WTH Trust").
(xiv) C. G. Grefenstette and Thomas G. Bigley, Trustees Under
Agreement of Trust dated 12/30/76 for the Children of
Juliet Lea Hillman Simonds (the "1976 JLHS Trust").
(xv) C. G. Grefenstette and Thomas G. Bigley, Trustees Under
Agreement of Trust dated 12/30/76 for the Children of
Audrey Hillman Fisher (the "1976 AHF Trust").
(xvi) C. G. Grefenstette and Thomas G. Bigley, Trustees Under
Agreement of Trust dated 12/30/76 for the Children of
Henry Lea Hillman, Jr. (the "1976 HLH Trust").
(xvii) C. G. Grefenstette and Thomas G. Bigley, Trustees Under
Agreement of Trust dated 12/30/76 for the Children of
William Talbott Hillman (the "1976 WTH Trust").
(xviii) Frederick J. Dotzler
(xix) John M. Reher
(xx) Elsie Hilliard Hillman
(xxi) Henry L. Hillman
(xxii) Thomas G. Bigley
(xxiii) C. G. Grefenstette
Item 2(b) Address of the Principal Business Office:
Medicus Venture Partners 1992, a California Limited Partnership,
Medicus Venture Partners 1991, a California Limited Partnership,
are located at:
2882 Sand Hill Road
Suite 116
Menlo Park, California 94025
Hillman/Chesapeake Limited Partnership, Wilmington Interstate
Corporation, Wilmington Securities, Inc. and Wilmington
Investments, Inc.
824 Market Street, Suite 900
Wilmington, Delaware 19801
The Hillman Company, the HLH Trust, the 1968 JLH Trust,
the 1968 AHH Trust, the 1968 HLH Trust, the 1968 WTH Trust,
the 1976 JLHS Trust, the 1976 AHF Trust, the 1976 HLH Trust
and the 1976 WTH Trust
1900 Grant Building
Pittsburgh, Pennsylvania 15219
Frederick J. Dotzler and John M. Reher
2882 Sand Hill Road
Suite 116
Menlo Park, California 94025
Thomas G. Bigley
One Oxford Centre, 28th Floor
Pittsburgh, Pennsylvania 15219
Elsie Hilliard Hillman, Henry L. Hillman and C. G. Grefenstette
2000 Grant Building
Pittsburgh, Pennsylvania 15219
Item 2(c) Citizenship:
Medicus Venture Partners 1992, a California Limited Partnership,
Medicus Venture Partners 1991, a California Limited Partnership,
are California Limited Partnerships.
Hillman/Chesapeake Limited Partnership is a Delaware limited partnership.
Wilmington Interstate Corporation, Wilmington Securities, Inc.
and Wilmington Investments, Inc. are Delaware corporations.
The Hillman Company is a Pennsylvania corporation.
The HLH Trust, the 1968 JLH Trust, the 1968 AHH Trust,
the 1968 HLH Trust, the 1968 WTH Trust, the 1976 JLHS Trust,
the 1976 AHF Trust, the 1976 HLH Trust, the 1976 WTH Trust
are Pennsylvania trusts.
C. G. Grefenstette, Henry L. Hillman, Elsie Hilliard Hillman,
Thomas G. Bigley, Frederick J. Dotzler and John Reher are U.S. citizens.
Item 2(d) Title of Class of Securities:
Common Stock, $.01 Par Value
Item 2(e) CUSIP Number
090945106
Item 3 Not Applicable
Item 4 Ownership:
(a) Amount Beneficially Owned:
5,041 shares of Common Stock are owned of record and beneficially
by C. G. Grefenstette and Thomas G. Bigley, Trustees U/A/T dated
December 30, 1976 for the Children of Juliet Lea Hillman Simonds
(together with the three trusts of even date named below the "1976"
Trusts"), a Pennsylvania irrevocable trust. C. G. Grefenstette
shares power to vote or to direct the vote and shares power to
dispose or to direct the disposition of the shares of stock owned by
the 1976 Trusts, the 1964 Trusts, the HLH Trust, Wilmington
Interstate Corporation, Medicus Venture Partners 1992, a California
Limited Partnership and Medicus Venture Partners 1991, a California
Limited Partnership.
5,041 shares of Common Stock are owned of record and beneficially
by C. G. Grefenstette and Thomas G. Bigley, Trustees U/A/T dated
December 30, 1976 for the Children of Audrey Hillman Fisher,
a Pennsylvania irrevocable trust. C. G. Grefenstette shares
power to vote or to direct the vote and shares power to dispose or
to direct the disposition of the shares of stock owned by the 1976
Trusts, the 1964 Trusts, the HLH Trust, Wilmington Interstate
Corporation, Medicus Venture Partners 1992, a California Limited
Partnership and Medicus Venture Partners 1991, a California Limited
Partnership.
5,041 shares of Common Stock are owned of record and beneficially
by C. G. Grefenstette and Thomas G. Bigley, Trustees U/A/T dated
December 30, 1976 for the Children of Henry Lea Hillman, Jr.,
a Pennsylvania irrevocable trust. C. G. Grefenstette shares power
to vote or to direct the vote and shares power to dispose or to
direct the disposition of the shares of stock owned by the 1976
Trusts, the 1964 Trusts, the HLH Trust, Wilmington Interstate
Corporation, Medicus Venture Partners 1991, a California Limited
Partnership and Medicus Venture Partners 1992, a California Limited
Partnership.
5,041 shares of Common Stock are owned of record and beneficially
by C. G. Grefenstette and Thomas G. Bigley, Trustees U/A/T dated
December 30, 1976 for the Children of William Talbott Hillman,
a Pennsylvania irrevocable trust. C. G. Grefenstette shares
power to vote or to direct the vote and shares power to dispose or
to direct the disposition of the shares of stock owned by the 1976
Trusts, the 1964 Trusts, the HLH Trust, Wilmington Interstate
Corporation, Medicus Venture Partners 1991, a California Limited
Partnership and Medicus Venture Partners 1992, a California Limited
Partnership.
35,922 shares of Common Stock are owned of record and beneficially
by C. G. Grefenstette and Thomas G. Bigley, Trustees U/A/T dated
August 28, 1968 for Juliet Lea Hillman (together with the three
trusts of even date named below the "1964" Trusts"), a Pennsylvania
irrevocable trust. C. G. Grefenstette shares power to vote or to
direct the vote and shares power to dispose or to direct the
disposition of the shares of stock owned by the 1964 Trusts, the
1976 Trusts, the HLH Trust, Wilmington Interstate Corporation,
Medicus Venture Partners 1991, a California Limited Partnership and
Medicus Venture Partners 1992, a California Limited Partnership.
35,922 shares of Common Stock are owned of record and beneficially
by C. G. Grefenstette and Thomas G. Bigley, Trustees U/A/T dated
August 28, 1968 for Audrey Hilliard Hillman, a Pennsylvania
irrevocable trust. C. G. Grefenstette shares power to vote or to
direct the vote and shares power to dispose or to direct the
disposition of the shares of stock owned by the 1964 Trusts, the
1976 Trusts, the HLH Trust, Wilmington Interstate Corporation,
Medicus Venture Partners 1991, a California Limited Partnership and
Medicus Venture Partners 1992, a California Limited Partnership.
35,922 shares of Common Stock are owned of record and beneficially
by C. G. Grefenstette and Thomas G. Bigley, Trustees U/A/T dated
August 28, 1968 for Henry Lea Hillman, Jr., a Pennsylvania
irrevocable trust. C. G. Grefenstette shares power to vote or to
direct the vote and shares power to dispose or to direct the
disposition of the shares of stock owned by the 1964 Trusts, the
1976 Trusts, the HLH Trust, Wilmington Interstate Corporation,
Medicus Venture Partners 1991, a California Limited Partnership and
Medicus Venture Partners 1992, a California Limited Partnership.
35,922 shares of Common Stock are owned of record and beneficially
by C. G. Grefenstette and Thomas G. Bigley, Trustees U/A/T dated
August 28, 1968 for William Talbott Hillman, a Pennsylvania
irrevocable trust. C. G. Grefenstette shares power to vote or to
direct the vote and shares power to dispose or to direct the
disposition of the shares of stock owned by the 1964 Trusts, the
1976 Trusts, the HLH Trust, Wilmington Interstate Corporation,
Medicus Venture Partners 1991, a California Limited Partnership and
Medicus Venture Partners 1992, a California Limited Partnership.
287,099 shares of Common Stock are owned of record and beneficially
by Henry L. Hillman, Elsie Hilliard Hillman and C. G. Grefenstette,
Trustees of the Henry L. Hillman Trust U/A dated November 18, 1985,
a Pennsylvania revocable trust. C. G. Grefenstette shares power to
vote or to direct the vote and shares power to dispose or to
direct the disposition of the shares of stock owned by the 1964
Trusts, the 1976 Trusts, the HLH Trust, Wilmington Interstate
Corporation, Medicus Venture Partners 1992, a California Limited
Partnership and Medicus Venture Partners 1991, a California Limited
Partnership.
750,236 shares of Common Stock are owned of record and
beneficially by Wilmington Interstate Corporation. Wilmington
Interstate Corporation is a wholly-owned subsidiary of
Wilmington Securities, Inc. Wilmington Securities, Inc. is a
wholly-owned subsidiary of Wilmington Investments, Inc.
Wilmington Investments, Inc. is a wholly-owned subsidiary
of The Hillman Company, which is controlled by the HLH Trust.
333,334 shares of Common Stock are owned by Medicus Venture
Partners 1991, a California Limited Partnership ("MVP 91").
Hillman/Chesapeake Limited Partnership and Medicus
Management Partners are general partners of MVP 91. Wilmington
Interstate Corporation is a wholly-owned subsidiary of Wilmington
Securities, Inc. Wilmington Securities, Inc. is a wholly owned
subsidiary of Wilmington Investments, Inc. Wilmington Investments,
Inc. is a wholly-owned subsidiary of The Hillman Company
104,167 shares of Common Stock are owned by Medicus Venture
Partners 1992, a California Limited Partnership ("MVP 92").
Hillman/Chesapeake Limited Partnership and Medicus
Management Partners are general partners of MVP 92. Wilmington
Interstate Corporation is a wholly-owned subsidiary of Wilmington
Securities, Inc. Wilmington Securities, Inc. is a wholly owned
subsidiary of Wilmington Investments, Inc. Wilmington Investments,
Inc. is a wholly-owned subsidiary of The Hillman Company
(b) Percent of Class
12.73%
(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 to direct the vote
1,658,688
(See Item (4)(a))
(iii) sole power to dispose or to direct the disposition of
(iv) shared power to dispose or to direct the disposition of
1,658,688
(See Item (4)(a))
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 the Subsidiary 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
Item 9 Notice of Dissolution of Group:
Not Applicable
Item 10 Certification:
By signing below we certify that, to the best of our knowledge and
belief, the securities referred to above were not acquired and are not
held for the purpose of or with the effect of changing or influencing the
control of the issuer of the securities and were not acquired and are not
held in connection with or as a participant in any transaction having
that purpose or effect.
<PAGE>
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.
MEDICUS VENTURE PARTNERS 1992, A
CALIFORNIA LIMITED PARTNERSHIP,
MEDICUS VENTURE PARTNERS 1991, A
CALIFORNIA LIMITED PARTNERSHIP,
By Hillman/Chesapeake Limited Partnership,
a General Partner
By Wilmington Interstate Corporation, Inc., the sole
General Partner
/s/ Andrew H. McQuarrie
By _________________________________________
Andrew H. McQuarrie, Vice President
By Medicus Management Partners,
a General Partner
/s/ Federick J. Dotzler
By _________________________________________
Federick J. Dotzler, General Partner
/s/ John M. Reher
By _________________________________________
John M. Reher, General Partner
HILLMAN/CHESAPEAKE LIMITED PARTNERSHIP
By Wilmington Interstate Corporation,
the sole General Partner
/s/ Andrew H. McQuarrie
By _________________________________________
Andrew H. McQuarrie, Vice President
MEDICUS MANAGEMENT PARTNERS
/s/ Frederick J. Dotzler
By _________________________________________
Frederick J. Dotzler, General Partner
/s/ John M. Reher
By _________________________________________
John M. Reher, General Partner
WILMINGTON INTERSTATE CORPORATION
/s/ Andrew H. McQuarrie
By _________________________________________
Andrew H. McQuarrie, Vice President
WILMINGTON SECURITIES, INC.
/s/ Andrew H. McQuarrie
By _________________________________________
Andrew H. McQuarrie, Vice President
WILMINGTON INVESTMENTS, INC.
/s/ Andrew H. McQuarrie
By _________________________________________
Andrew H. McQuarrie, Vice President
THE HILLMAN COMPANY
/s/ Lawrence M. Wagner
By _________________________________________
Lawrence M. Wagner, President
HENRY L. HILLMAN, ELSIE HILLIARD HILLMAN
& C. G. GREFENSTETTE, TRUSTEES OF THE HENRY L.
HILLMAN TRUST U/A DATED NOVEMBER 18, 1985
/s/ C. G. Grefenstette
By _________________________________________
C. G. Grefenstette, Trustee
C. G. GREFENSTETTE AND THOMAS G. BIGLEY
TRUSTEES UNDER AGREEMENT OF TRUST DATED
8/28/68 FOR JULIET LEA HILLMAN, AUDREY
HILLIARD HILLMAN, HENRY LEA HILLMAN, JR.
AND WILLIAM TALBOTT HILLMAN
/s/ C. G. Grefenstette
____________________________________________
C. G. Grefenstette, Trustee
/s/ Thomas G. Bigley, Trustee
____________________________________________
Thomas G. Bigley, Trustee
C. G. GREFENSTETTE AND THOMAS G. BIGLEY
TRUSTEES UNDER AGREEMENT OF TRUST DATED
12/30/76 FOR THE CHILDREN OF JULIET LEA
HILLMAN SIMONDS, AUDREY HILLIARD HILLMAN
HENRY LEA HILLMAN, JR., AND WILLIAM
TALBOTT HILLMAN
/s/ C. G. Grefenstette
____________________________________________
C. G. Grefenstette, Trustee
/s/ Thomas G. Bigley
____________________________________________
Thomas G. Bigley, Trustee
/s/ C. G. Grefenstette
____________________________________________
C. G. Grefenstette
/s/ Thomas G. Bigley
____________________________________________
Thomas G. Bigley
/s/ Henry L. Hillman
____________________________________________
Henry L. Hillman
/s/ Elsie Hilliard Hillman
____________________________________________
Elsie Hilliard Hillman
/s/ Frederick J. Dotzler
____________________________________________
Frederick J. Dotzler
/s/ John M. Reher
____________________________________________
John M. Reher
May 8, 1998
Date
<PAGE>