-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, JDTtI3DMNtLFCHXtKp0ryM7am1+l95P0B3mfbcQGJgPfeh35rKCiUvkporC/I6Bj +GIyUERYTlpH66C9Xp+KRg== 0001036288-98-000018.txt : 19980511 0001036288-98-000018.hdr.sgml : 19980511 ACCESSION NUMBER: 0001036288-98-000018 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 19980508 SROS: NASD GROUP MEMBERS: C. G. GREFENSTETTE GROUP MEMBERS: ELSIE HILLIARD HILLMAN GROUP MEMBERS: FREDERICK J. DOTZLER GROUP MEMBERS: HENRY L. HILLMAN GROUP MEMBERS: HILLMAN CO GROUP MEMBERS: HILLMAN/CHESAPEAKE LIMITED PARTNERSHIP GROUP MEMBERS: JOHN M. REHER GROUP MEMBERS: MEDICUS MANAGEMENT PARTNERS GROUP MEMBERS: MEDICUS VENTURE PARTNERS 1991 GROUP MEMBERS: MEDICUS VENTURE PARTNERS 1992 GROUP MEMBERS: THE AUDREY HILLIARD HILLMAN TRUST DATED 8/28/68 GROUP MEMBERS: THE AUDREY HILLMAN FISHER TRUST DATED 12/30/76 GROUP MEMBERS: THE HENRY L. HILLMAN TRUST DATED 11/18/85 GROUP MEMBERS: THE HENRY LEA HILLMAN, JR. TRUST DATED 12/30/76 GROUP MEMBERS: THE HENRY LEA HILLMAN, JR. TRUST DATED 8/28/68 GROUP MEMBERS: THE HILLMAN COMPANY GROUP MEMBERS: THE JULIET LEA HILLMAN SIMONDS TRUST DATED 12/30/76 GROUP MEMBERS: THE JULIET LEA HILLMAN TRUST DATED 8/28/68 GROUP MEMBERS: THE WILLIAM TALBOTT HILLMAN TRUST DATED 12/30/76 GROUP MEMBERS: THE WILLIAM TALBOTT HILLMAN TRUST DATED 8/28/68 GROUP MEMBERS: THOMAS G. BIGLEY GROUP MEMBERS: WILMINGTON INTERSTATE CORPORATION GROUP MEMBERS: WILMINGTON INVESTMENTS, INC. GROUP MEMBERS: WILMINGTON SECURITIES, INC. SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: BIOSITE DIAGNOSTICS INC CENTRAL INDEX KEY: 0000834306 STANDARD INDUSTRIAL CLASSIFICATION: IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835] IRS NUMBER: 330288606 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: SEC FILE NUMBER: 005-50351 FILM NUMBER: 98613975 BUSINESS ADDRESS: STREET 1: 11030 ROSELLE ST CITY: SAN DIEGO STATE: CA ZIP: 92121 BUSINESS PHONE: 6194554808 MAIL ADDRESS: STREET 1: 11030 ROSELLE ST CITY: SAN DIEGO STATE: CA ZIP: 92121 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: HILLMAN CO CENTRAL INDEX KEY: 0001036288 STANDARD INDUSTRIAL CLASSIFICATION: [] FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 310 GRANT ST STREET 2: 1900 GRANT BUILDING CITY: PITTSBURGH STATE: PA ZIP: 15219 MAIL ADDRESS: STREET 1: 310 GRANT ST STREET 2: 1900 GRANT BUILDING CITY: PITTSBURGH STATE: PA ZIP: 15219 SC 13G 1 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). 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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. 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 -----END PRIVACY-ENHANCED MESSAGE-----