-----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, EqNN9z2gWNiJy0VQiavhxtmUM5zD0eOatEKDrei9SVIySndvWhXk1Reh7z+9sbyh Ug74jQU4HndBOqqyPCMBzQ== 0000950148-03-000119.txt : 20030130 0000950148-03-000119.hdr.sgml : 20030130 20030130104247 ACCESSION NUMBER: 0000950148-03-000119 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20030130 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: DIAGNOSTIC PRODUCTS CORP CENTRAL INDEX KEY: 0000702259 STANDARD INDUSTRIAL CLASSIFICATION: IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835] IRS NUMBER: 952802182 STATE OF INCORPORATION: CA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-34645 FILM NUMBER: 03531108 BUSINESS ADDRESS: STREET 1: 5700 W 96TH ST CITY: LOS ANGELES STATE: CA ZIP: 90045 BUSINESS PHONE: 3106458200 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: ZIERING MARILYN CENTRAL INDEX KEY: 0001002106 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 5700 W 96TH STREET STREET 2: C/O DIAGNOSTIC PRODUCTS CORP CITY: LOS ANGELES STATE: CA ZIP: 90045 BUSINESS PHONE: 2137760180 MAIL ADDRESS: STREET 1: 5700 W 96TH STREET STREET 2: C/O DIAGNOSTIC PRODUCTS CORP CITY: LOS ANGELES STATE: CA ZIP: 90045 SC 13G/A 1 v87181sc13gza.htm SCHEDULE 13G/AMENDMENT 18 Diagnostic Products Corp. Schedule 13G/A
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SECURITIES AND EXCHANGE COMMISSION

Washington, D.C 20549

Schedule 13G/A

Under the Securities Exchange Act of 1934
(Amendment No. 18)

DIAGNOSTIC PRODUCTS CORPORATION

(Name of Issuer)

COMMON STOCK, NO PAR VALUE

(Title of Class of Securities)

252450-10-1

(CUSIP Number)

December 31, 2002

(Date of Event which Requires Filing This Statement)

     Check the appropriate box to designate the rule pursuant to which this Schedule is filed.

  o
o
þ		 Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)

*The remainder of this cover page shall be filed 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 disclosures provided in a prior cover page.

The information required on 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).

Page 1 of 3

Item 1(a) Name of Issuer:
Item 1(b) Address of Issuer’s Principal Executive Offices:
Item 2(a) Name of Person Filing:
Item 2(b) Address of Principal Business Office:
Item 2(c) Citizenship:
Item 2(d) Title of Class of Securities:
Item 2(e) CUSIP Number:
Item 3 Statement filed Pursuant to Rules 13d-1(b) or 13(d)-2(b) or (c):
Item 4(a) Amount Beneficially Owned:
Item 4(b) Percent of Class:
Item 4(c) For information regarding the number of shares as to which the reporting person has voting and dispositive power, see Items 5-8 of page 2.
Item 5 Ownership of 5% or Less of Class:
Item 6 Ownership of More than 5% on Behalf of Another Person:
Item 7 Identification and Classification of the Subsidiary which Acquired the Security Being Reported on by the Parent Holding Company:
Item 8 Identification and Classification of Members of the Group:
Item 9 Notice of Dissolution of Group:
Item 10 Certification:

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SCHEDULE 13G

CUSIP No. 252450-10-1

         
1. NAME OF REPORTING PERSONS
  MARILYN ZIERING
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a)        o
(b)        o
3. SEC USE ONLY  
         
4. CITIZENSHIP OR PLACE OF ORGANIZATION
  U.S.A.      
    5. SOLE VOTING POWER  
NUMBER OF   4,789,789
SHARES
BENEFICIALLY 6. SHARED VOTING POWER
OWNED BY   -0-
EACH
REPORTING 7. SOLE DISPOSITIVE POWER  
PERSON   4,789,789
WITH
    8. SHARED DISPOSITIVE POWER  
      -0-
9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
  4,789,789
10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  
        o
11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)  
  16.71% 
12. TYPE OF REPORTING PERSON*  
  IN
*SEE INSTRUCTIONS BEFORE FILLING OUT!

Page 2 of 3

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Item 1(a) Name of Issuer: Diagnostic Products Corporation

Item 1(b) Address of Issuer’s Principal Executive Offices:

      5700 West 96th Street
Los Angeles, California 90045

Item 2(a) Name of Person Filing: Marilyn Ziering

     
Item 2(b) Address of Principal Business Office:   5700 West 96th Street
    Los Angeles, CA 90045

Item 2(c) Citizenship: U.S.A.

Item 2(d) Title of Class of Securities: Common Stock

Item 2(e) CUSIP Number: 252450-10-1

Item 3 Statement filed Pursuant to Rules 13d-1(b) or 13(d)-2(b) or (c): Not Applicable

Item 4(a) Amount Beneficially Owned: 4,789,789 shares.

Item 4(b) Percent of Class: 16.71%.

Item 4(c) For information regarding the number of shares as to which the reporting person has voting and dispositive power, see Items 5-8 of page 2.

Item 5 Ownership of 5% or Less of Class: Not Applicable

Item 6 Ownership of More than 5% 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: Not Applicable

     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: January 31, 2003   /S/ Marilyn Ziering
   
    Marilyn Ziering

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