0001209191-11-052098.txt : 20111018 0001209191-11-052098.hdr.sgml : 20111018 20111018203436 ACCESSION NUMBER: 0001209191-11-052098 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20111017 FILED AS OF DATE: 20111018 DATE AS OF CHANGE: 20111018 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: PLOURDE KATHARINE CENTRAL INDEX KEY: 0001247691 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-12515 FILM NUMBER: 111146784 MAIL ADDRESS: STREET 1: 120 EAST END AVE CITY: NEW YORK STATE: NY ZIP: 10028 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: OM GROUP INC CENTRAL INDEX KEY: 0000899723 STANDARD INDUSTRIAL CLASSIFICATION: SECONDARY SMELTING & REFINING OF NONFERROUS METALS [3341] IRS NUMBER: 521736882 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1500 KEY TOWER STREET 2: 127 PUBLIC SQUARE CITY: CLEVELAND STATE: OH ZIP: 44114 BUSINESS PHONE: 2167810083 MAIL ADDRESS: STREET 1: 1500 KEY TOWER STREET 2: 127 PUBLIC SQUARE CITY: CLEVELAND STATE: OH ZIP: 44114 4 1 doc4.xml FORM 4 SUBMISSION X0304 4 2011-10-17 0 0000899723 OM GROUP INC OMG 0001247691 PLOURDE KATHARINE 1500 KEY TOWER 127 PUBLIC SQUARE CLEVELAND OH 44114-1221 1 0 0 0 Common Stock 2011-10-17 4 A 0 712 26.30 A 7827 D This field is not applicable. /s/ Katharine Plourde, by Cipriano S. Beredo, as attorney-in-fact 2011-10-18