OM GROUP INC Form S-3: Registration statement (short form)
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 1998-06-12: Form S-3/A; Description OM GROUP, INC. AMENDMENT #1 TO FORM S-3.
- 1998-05-22: Form S-3; Description OM GROUP, INC. S-3.
- 1997-04-24: Form S-3/A; Description OM GROUP, INC. FORM S-3 AMENDMENT NO. 2.
- 1997-03-31: Form S-3/A; Description OM GROUP, INC. S-3 PRE-EFFECTIVE AMEND. #1.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 1998-06-12 | S-3/A | OM GROUP, INC. AMENDMENT #1 TO FORM S-3 | ||
| 1998-05-22 | S-3 | OM GROUP, INC. S-3 | ||
| 1997-04-24 | S-3/A | OM GROUP, INC. FORM S-3 AMENDMENT NO. 2 | ||
| 1997-03-31 | S-3/A | OM GROUP, INC. S-3 PRE-EFFECTIVE AMEND. #1 | ||
| 1997-03-21 | S-3 | OM GROUP, INC. / S-3 |