-----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, FGjtv/6uglMv12bFvOfYmNpy/mpZOCbwhENwTAYLk1DURjrZHO+zM7JGjl3EC7T1 pb01R4WVaXc7Hf8XjPwVQQ== 0001209191-11-004152.txt : 20110120 0001209191-11-004152.hdr.sgml : 20110120 20110120155940 ACCESSION NUMBER: 0001209191-11-004152 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110118 FILED AS OF DATE: 20110120 DATE AS OF CHANGE: 20110120 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: 11538648 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 X0303 4 2011-01-18 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 2011-01-18 4 A 0 387 38.67 A 6333 D This field is not applicable. /s/ Katharine Plourde, by Cipriano S. Beredo, as attorney-in-fact 2011-01-20 -----END PRIVACY-ENHANCED MESSAGE-----