OM GROUP INC Form PREM14A: Preliminary merger proxy statement
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2015-06-26: Form PREM14A; Period of report 2015-06-26; Description PREM14A; Document d949251dprem14a.htm.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 2015-06-26 | PREM14A | 2015-06-26 | PREM14A | d949251dprem14a.htm |