-----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, InUQ/2UR5hasyIP08vyBiEfU0W9ht4f4y+noLkZ7Ds4UcauTVgiIQhJ39aNQDQXv PA7DHeCnuHZgOVz4fjIMbg== 0000922907-00-000120.txt : 20000517 0000922907-00-000120.hdr.sgml : 20000517 ACCESSION NUMBER: 0000922907-00-000120 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20000516 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: MOLECULAR BIOSYSTEMS INC CENTRAL INDEX KEY: 0000719598 STANDARD INDUSTRIAL CLASSIFICATION: IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835] IRS NUMBER: 363078632 STATE OF INCORPORATION: DE FISCAL YEAR END: 0331 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: SEC FILE NUMBER: 005-35724 FILM NUMBER: 637315 BUSINESS ADDRESS: STREET 1: 10030 BARNES CANYON RD CITY: SAN DIEGO STATE: CA ZIP: 92121-2789 BUSINESS PHONE: 8588127001 MAIL ADDRESS: STREET 1: 10030 BARNES CANYON ROAD CITY: SAN DIEGO STATE: CA ZIP: 92121 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: MALLINCKRODT INC /MO CENTRAL INDEX KEY: 0000051396 STANDARD INDUSTRIAL CLASSIFICATION: IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835] IRS NUMBER: 361263901 STATE OF INCORPORATION: NY FISCAL YEAR END: 0630 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 675 MCDONNELL BLVD STREET 2: PO BOX 5840 CITY: ST LOUIS STATE: MO ZIP: 63134 BUSINESS PHONE: 3146542000 MAIL ADDRESS: STREET 1: 7733 FORSYTH BLVD CITY: ST LOUIS STATE: MO ZIP: 63105-1820 FORMER COMPANY: FORMER CONFORMED NAME: MALLINCKRODT INC /MO DATE OF NAME CHANGE: 19970625 FORMER COMPANY: FORMER CONFORMED NAME: MALLINCKRODT GROUP INC DATE OF NAME CHANGE: 19940322 FORMER COMPANY: FORMER CONFORMED NAME: IMCERA GROUP INC DATE OF NAME CHANGE: 19920703 SC 13G/A 1 AMENDMENT NO. 1 TO SCHEDULE 13D ON SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 MOLECULAR BIOSYSTEMS, INC. (NAME OF ISSUER) COMMON STOCK, $0.01 PAR VALUE (TITLE OF CLASS OF SECURITIES) 608513 10 7 (CUSIP NUMBER) (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) |X| Rule 13d-1(c) |_| Rule 13d-1(d) CUSIP No. 608513 10 7 ----------- (1) Names of Reporting Persons: Mallinckrodt Inc. - -------------------------------------------------------------------------------- S.S. or I.R.S. Identification Number: 36-1263901 - -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member (a) -------------------------------- of a Group (See Instructions) (b) - -------------------------------------------------------------------------------- (3) OTS Use Only - -------------------------------------------------------------------------------- (4) Citizenship or Place of Organization: New York Number of Shares (5) Sole Voting Beneficially Owned Power -0- --------------------------- By Each Reporting Person With (6) Shared Voting Power 1,300,579 --------------------------- (7) Sole Dispositive Power --------------------------- (8) Shared Dispositive Power 1,300,579 - -------------------------------------------------------------------------------- (9) Aggregate Amount Beneficially Owned by Each Reporting Person: 1,300,579 - -------------------------------------------------------------------------------- (10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) - -------------------------------------------------------------------------------- (11) Percent of Class Represented by Amount in Row (9) 6.9% - -------------------------------------------------------------------------------- (12) Type of Reporting Person (See Instructions) CO - -------------------------------------------------------------------------------- CUSIP No. 608513 10 7 (1) Names of Reporting Persons: Mallinckrodt Inc. - -------------------------------------------------------------------------------- S.S. or I.R.S. Identification Number: 43-1479062 - -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member (a) -------------------------------- of a Group (See Instructions) (b) - -------------------------------------------------------------------------------- (3) OTS Use Only - -------------------------------------------------------------------------------- (4) Citizenship or Place of Organization: Delaware - -------------------------------------------------------------------------------- Number of Shares (5) Sole Voting Beneficially Owned Power -0- - -------------------------------------------------------------------------------- By Each Reporting Person With (6) Shared Voting Power 1,300,579 (7) Sole Dispositive Power (8) Shared Dispositive Power 1,300,579 - -------------------------------------------------------------------------------- (9) Aggregate Amount Beneficially Owned by Each Reporting Person: 1,300,579 - -------------------------------------------------------------------------------- (10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) - -------------------------------------------------------------------------------- (11) Percent of Class Represented by Amount in Row (9) 6.9% - -------------------------------------------------------------------------------- (12) Type of Reporting Person (See Instructions) CO - -------------------------------------------------------------------------------- SCHEDULE 13G 1(A) NAME OF ISSUER: Molecular Biosystems, Inc. 1(B) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES: 10030 Barnes Canyon Road San Diego, CA 92121 ITEM 2(A)(I). NAME OF PERSON FILING Mallinckrodt Inc. ITEM 2(B)(I). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE 675 McDonnell Boulevard St. Louis, MO 63134 ITEM 2(C)(I) CITIZENSHIP New York ITEM 2(A)(II) NAME OF PERSON FILING Mallinckrodt Inc. ITEM 2(B)(II). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE 675 McDonnell Boulevard St. Louis, MO 63134 ITEM 2(C)(II) CITIZENSHIP Delaware ITEM 2(D). TITLE OF CLASS OF SECURITIES Common Stock, $0.01 par value ITEM 2(E). CUSIP NO. 608513 10 7 ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULE 13D-1(B) OR 13D-2(B), CHECK WHETHER THE PERSON FILING IS A: (a) |_|Broker or Dealer registered under Section 15 of the Act (b) |_|Bank as defined in Section 3(a)(6) of the Act (c) |_|Insurance Company as defined in Section 3(a)(19) of the Act (d) |_|Investment Company registered under Section 8 of the Investment Company Act (e) |_|Investment Adviser registered under Section 203 of the Investment Advisers Act of 1940 (f) |_|Employee Benefit Plan, Pension Fund which is subject to the provisions of the Employee Retirement Income Security Act of 1974 or Endowment Fund; see ss.240.13d-1(b)(1)(ii)(F) (g) |_|Parent Holding Company, in accordance with ss.240.13d-1(b)(ii)(G) (Note: See Item 7) (h) |_|Group, in accordance withss.240.13d-1(b)(1)(ii)(H) ITEM 4. OWNERSHIP (a)-(c)As of May 15, 2000, the Reporting Persons beneficially owned the number and percentage of Shares of the Issuer set forth below: Number of Percentage Sole Voting Shared Sole Shared Shares of Power Voting Power Dispositive Dispositive ------ Outstanding ----- ------------ Power Power Shares1 ----- ----- ------- 1,300,579 6.9% -0- 1,300,579 -0- 1,300,579 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 Mallinckrodt Inc., a Delaware corporation, is a wholly-owned subsidiary of Mallinckrodt Inc., a New York corporation. 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, I certify that, to the best of my knowledge and belief, the securities referred to above were acquired in the ordinary course of business and were not acquired for the purpose of and do not have 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 purposes or effect. - -------------------------------- 1 Based upon information contained in the Issuer's Form 10-Q for the quarter ended December 31, 1999, the number of shares of Common Stock issued and outstanding as of December 31, 1999 was 18,724,017 SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I the undersigned certify that the information set forth in this statement is true, complete and correct. Date: May 15, 2000 Mallinckrodt Inc., a New York corporation By: /s/ Roger A. Keller Name: Roger A. Keller Title: Vice President, Secretary and General Counsel Date: May 15, 2000 Mallinckrodt Inc., a Delaware corporation By: /s/ Roger A. Keller Name: Roger A. Keller Title: Vice President, Secretary and General Counsel -----END PRIVACY-ENHANCED MESSAGE-----