OM GROUP INC Form SD: Specialized disclosure report (conflict minerals)
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2015-06-01: Form SD; Description SD CONFLICT MINERALS 2014; Document a2014formsdomgroup.htm.
- 2014-05-30: Form SD; Description SD; Document a2013formsdomgroup.htm.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 2015-06-01 | SD | SD CONFLICT MINERALS 2014 | a2014formsdomgroup.htm | |
| 2014-05-30 | SD | SD | a2013formsdomgroup.htm |