OM GROUP INC Form 10-K405: Annual report (Item 405 box checked)
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 1998-03-23: Form 10-K405; Period of report 1997-12-31; Description OM GROUP, INC. 10-K405.
- 1997-03-21: Form 10-K405; Period of report 1996-12-31; Description OM GROUP.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 1998-03-23 | 10-K405 | 1997-12-31 | OM GROUP, INC. 10-K405 | |
| 1997-03-21 | 10-K405 | 1996-12-31 | OM GROUP |