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Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0000950152-08-002497
Filing Date
2008-04-01
Accepted
2008-04-01 13:59:47
Documents
1
Period of Report
2008-05-13
Effectiveness Date
2008-04-01

Document Format Files

Seq Description Document Type Size
1 OM GROUP, INC. DEF 14A l30229bdef14a.htm DEF 14A 572192
  Complete submission text file 0000950152-08-002497.txt   573676
Mailing Address 1500 KEY TOWER 127 PUBLIC SQUARE CLEVELAND OH 44114
Business Address 1500 KEY TOWER 127 PUBLIC SQUARE CLEVELAND OH 44114 2167810083
OM GROUP INC (Filer) CIK: 0000899723 (see all company filings)

IRS No.: 521736882 | State of Incorp.: DE | Fiscal Year End: 1231
Type: DEF 14A | Act: 34 | File No.: 001-12515 | Film No.: 08728573
SIC: 3341 Secondary Smelting & Refining of Nonferrous Metals
Assistant Director 6