SEMCO ENERGY INC of PORT HURON, MI filed a PREM14A with the SEC on 2007-03-30. Industry: Natural Gas Distribution.
| Seq | Type | Description |
|---|---|---|
| 1 | PREM14A | PRELIMINARY PROXY MATERIALS - MERGER |
| 2 | GRAPHIC | GRAPHIC |
| 3 | GRAPHIC | GRAPHIC |
Showing 12 of 27 filings.
| Filed | Form |
|---|---|
| 2007-05-29 | DEFA14A |
| 2007-05-17 | DEFA14A |
| 2007-05-16 | DEFA14A |
| 2007-05-09 | DEFM14A |
| 2007-05-01 | PRER14A |
| 2007-03-30 | PREM14A |
| 2007-02-27 | DEFA14A |
| 2007-02-23 | DEFA14A |
| 2007-02-23 | DEFA14A |
| 2006-04-19 | DEF 14A |
| 2005-05-31 | DEFR14A |
| 2005-04-29 | DEF 14A |