-----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, S7nPnG+eh9PzMf7efJeHd2KyZATT1NlrE8nIjjvOYJ5DDobcJkh9cOzToVVxaD1q 8jKlyGt5LaM9YFktiR1kpA== 0000948027-97-000009.txt : 19970222 0000948027-97-000009.hdr.sgml : 19970222 ACCESSION NUMBER: 0000948027-97-000009 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 19970212 SROS: NASD SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: BIO LOGIC SYSTEMS CORP CENTRAL INDEX KEY: 0000355007 STANDARD INDUSTRIAL CLASSIFICATION: ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845] IRS NUMBER: 363025678 STATE OF INCORPORATION: DE FISCAL YEAR END: 0228 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-35477 FILM NUMBER: 97525871 BUSINESS ADDRESS: STREET 1: ONE BIO LOGIC PLZ CITY: MUNDELEIN STATE: IL ZIP: 60060 BUSINESS PHONE: 7089495200 MAIL ADDRESS: STREET 1: ONE BIO LOGIC PLAZA CITY: MUNDELEIN STATE: IL ZIP: 60060 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: WEINGARTEN CHARLES Z MD CENTRAL INDEX KEY: 0000902240 STANDARD INDUSTRIAL CLASSIFICATION: [] FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 3633 WEST LAKE AVE CITY: GLENVIEW STATE: IL ZIP: 60025 BUSINESS PHONE: 7087299122 MAIL ADDRESS: STREET 1: 3633 WEST LAKE AVE CITY: GLENVIEW STATE: IL ZIP: 60025 FORMER COMPANY: FORMER CONFORMED NAME: WEINGARTEN CHARLES Z DATE OF NAME CHANGE: 19930426 SC 13G 1 BIOL. 13G/C. WEINGARTEN SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 8 )* BIO-LOGIC SYSTEMS CORP. - ---------------------------------------------------------------------------- (Name of Issuer) COMMON STOCK, $.01 PAR VALUE - ---------------------------------------------------------------------------- (Title of Class of Securities) 090909 10 2 (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 file reporting beneficial ownership of more than five percent of the class of securities described in Item 1; and (2) has filed 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 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 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 4 Pages CUSIP No. 090909102 13G Page 2 of 4 Pages 1. NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON CHARLES Z. WEINGARTEN, M.D. 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) --- (b) --- 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION UNITED STATES NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH - ----------------------------------------------------------------- 5. SOLE VOTING POWER 381,434 (SEE ITEM 4) 6. SHARED VOTING POWER -0- 7. SOLE DISPOSITIVE POWER 381,434 (SEE ITEM 4) 8. SHARED DISPOSITIVE POWER -0- 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 381,434 (SEE ITEM 4) 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* SEE ITEM 4 X ----- 11. PERCENTAGE CLASS REPRESENTED BY AMOUNT IN ROW 9 9.6% 12. TYPE OF REPORTING PERSON* IN *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 3 of 4 Pages Item 1(a). Name of Issuer: BIO-LOGIC SYSTEMS CORP. Item 1(b). Address of Issuer's Principal Executive Offices: ONE BIO-LOGIC PLAZA, MUNDELEIN, ILLINOIS 60060 Item 2(a). Name of Person Filing: CHARLES Z. WEINGARTEN, M.D. Item 2(b). Address of Principal Business Office or if none, Residence: 1032 LOCUST ROAD, WILMETTE, ILLINOIS 60091 Item 2(c). Citizenship: UNITED STATES Item 2(d). Title of Class of Securities: COMMON STOCK, $.01 PAR VALUE Item 2(e). CUSIP Number: 090909 10 2 Item 3. If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b), check whether the person filing is a: INAPPLICABLE Item 4. Ownership: (a) Amount Beneficially Owned: AS OF DECEMBER 31, 1996, DR. WEINGARTEN BENEFICIALLY OWNED 381,434 SHARES OF ISSUER'S COMMON STOCK, WHICH INCLUDES 11,750 SHARES UNDERLYING OPTIONS EXERCISABLE WITHIN 60 DAYS AND 40,000 SHARES OWNED BY A CORPORATION OF WHICH DR. WEINGARTEN HAS APPROXIMATELY 22% OF THE VOTING POWER. THIS AMOUNT DOES NOT INCLUDE 4,250 SHARES UNDERLYING OPTIONS NOT EXERCISABLE WITHIN 60 DAYS. (b) Percent of Class: 9.6% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 381,434 (ii) shared power to vote or to direct the vote: 0 (iii) sole power to dispose or to direct the disposition of: 381,434 (iv) shared power to dispose of or to direct the disposition of: 0 Page 4 of 4 Pages Item 5. Ownership of Five Percent or Less of a Class INAPPLICABLE Item 6. Ownership of More than Five Percent on Behalf of Another Person INAPPLICABLE Item 7. Identification and Classification of Subsidiary Which Acquired the Securities INAPPLICABLE Item 8. Identification and Classification of Members of the Group INAPPLICABLE Item 9. Notice of Dissolution of Group INAPPLICABLE Item 10. Certification INAPPLICABLE 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. February 11, 1997 By: /S/ CHARLES Z. WEINGARTEN ---------------------------- CHARLES Z. WEINGARTEN, M.D. -----END PRIVACY-ENHANCED MESSAGE-----