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
<PAGE>
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)
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(b)
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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
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11. PERCENTAGE CLASS REPRESENTED BY AMOUNT IN ROW 9
9.6%
12. TYPE OF REPORTING PERSON*
IN
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
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>
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
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CHARLES Z. WEINGARTEN, M.D.
