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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000912057-99-002759
Filing Date
1999-10-29
Accepted
1999-10-29 00:00:00
Documents
1

Document Format Files

Seq Description Document Type Size
1 SC 13G/A SC 13G/A 8801
  Complete submission text file 0000912057-99-002759.txt   10715
Mailing Address 225 SOUTH LAKE AVE SUITE 400 PASADENA CA 91101
Business Address 225 SOUTH LAKE AVE STE 400 PASADENA CA 91101-3005 8183049222
PRIMECAP MANAGEMENT CO/CA/ (Filed by) CIK: 0000763212 (see all company filings)

IRS No.: 953868081

Mailing Address 3800 TERMINAL TOWER 50 PUBLIC SQU CLEVELAND OH 44113-2204
Business Address 50 PUBLIC SQ 3800 TERMINAL TOWER CLEVELAND OH 44113-2204 2167810083
OM GROUP INC (Subject) CIK: 0000899723 (see all company filings)

IRS No.: 521736882 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-42673 | Film No.: 99737232
SIC: 2810 Industrial Inorganic Chemicals