-----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, Bxt7JAYfXjlfR20A1oEp77GzyPjCYOWY5xxRVa/DdUnzFwRjJtevZTI8ycUuwnXw wYcQJHigw1OEr3OibNxs9g== 0000897069-00-000035.txt : 20000204 0000897069-00-000035.hdr.sgml : 20000204 ACCESSION NUMBER: 0000897069-00-000035 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20000203 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: SIGMA ALDRICH CORP CENTRAL INDEX KEY: 0000090185 STANDARD INDUSTRIAL CLASSIFICATION: WHOLESALE-CHEMICALS & ALLIED PRODUCTS [5160] IRS NUMBER: 431050617 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: SEC FILE NUMBER: 005-13774 FILM NUMBER: 522634 BUSINESS ADDRESS: STREET 1: 3050 SPRUCE ST CITY: ST LOUIS STATE: MO ZIP: 63103 BUSINESS PHONE: 3147715765 MAIL ADDRESS: STREET 1: 3050 SPRUCE STREET CITY: ST LOUIS STATE: MO ZIP: 63103 FORMER COMPANY: FORMER CONFORMED NAME: SIGMA INTERNATIONAL LTD DATE OF NAME CHANGE: 19750925 FORMER COMPANY: FORMER CONFORMED NAME: ALDRICH CHEMICAL CO INC DATE OF NAME CHANGE: 19750908 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: BADER ALFRED R CENTRAL INDEX KEY: 0000917628 STANDARD INDUSTRIAL CLASSIFICATION: [] IRS NUMBER: 398288664 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 777 EAST WISCONSIN AVE CITY: MILWAUKEE STATE: WI ZIP: 53202 BUSINESS PHONE: 4142893604 SC 13G/A 1 AMENDMENT NO. 15 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 15) SIGMA-ALDRICH CORPORATION - -------------------------------------------------------------------------------- (Name of Issuer) Class A Common Stock - -------------------------------------------------------------------------------- (Title of Class of Securities) 826552 10 1 ----------------------------------------------------- (CUSIP Number) December 31, 1999 - -------------------------------------------------------------------------------- (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-1(c) [X] Rule 13d-1(d) * 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 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). (Continued on following page(s)) Page 1 of 3 Pages - ---------------------- CUSIP No. 826552 10 1 - ---------------------- ================================================================================ 1 NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Alfred R. Bader (###-##-####) - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a)[ ] (b)[ ] N/A - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF 5,274,260 ------------------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY -0- OWNED BY ------------------------------------------------------------- 7 SOLE DISPOSITIVE POWER EACH 5,274,260 REPORTING ------------------------------------------------------------- PERSON 8 SHARED DISPOSITIVE POWER WITH -0- - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,274,260 - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] N/A - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.23%* - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) IN ================================================================================ - ------------------ * Based on an aggregate of 100,893,818 shares outstanding as of October 31, 1999. Page 2 of 3 Pages - ---------------------- CUSIP No. 826552 10 1 - ---------------------- This amendment No. 15 to Schedule 13G with regard to Sigma-Aldrich Corporation is being filed on behalf of the undersigned to amend Item 4 of the originally filed Schedule 13G. Except as expressly stated herein, there have been no material changes in the information set forth in the Schedule 13G. Item 4. Ownership ------ --------- Keeley Asset Management Corp. ---------------------------- (a) Amount Beneficially Owned: 5,274,260 (b) Percent of Class: 5.23% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 5,274,260 (ii) shared power to vote or to direct the vote: -0- (iii)sole power to dispose or to direct the disposition of: 5,274,260 (iv) shared power to dispose or to direct the disposition of: -0- SIGNATURE 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 this 1st day of February, 2000. /s/ Alfred R. Bader - ----------------------------------- Alfred R. Bader Page 3 of 3 Pages -----END PRIVACY-ENHANCED MESSAGE-----