# SEMCO ENERGY INC — DEF 14A

SEMCO ENERGY INC of PORT HURON, MI filed a DEF 14A with the SEC on 1994-03-16. Industry: Natural Gas Distribution.

## Filing

- Filed: 1994-03-16
- Form: DEF 14A
- Accession: 0000950124-94-000486
- Registrant: SEMCO ENERGY INC
- CIK: 0000277158
- Industry (SIC): Natural Gas Distribution (4924)
- State of incorporation: MI
- Location: PORT HURON, MI

## Filing timeline for this registrant (27)

_Showing 12 of 27 filings._

| Filed | Form |
| --- | --- |
| [2007-05-29](https://search.stillhousedata.com/proxy/0000277158-07-000028) | DEFA14A |
| [2007-05-17](https://search.stillhousedata.com/proxy/0000277158-07-000025) | DEFA14A |
| [2007-05-16](https://search.stillhousedata.com/proxy/0000277158-07-000021) | DEFA14A |
| [2007-05-09](https://search.stillhousedata.com/proxy/0000950137-07-007129) | DEFM14A |
| [2007-05-01](https://search.stillhousedata.com/proxy/0000950124-07-002591) | PRER14A |
| [2007-03-30](https://search.stillhousedata.com/proxy/0000950124-07-001904) | PREM14A |
| [2007-02-27](https://search.stillhousedata.com/proxy/0000277158-07-000007) | DEFA14A |
| [2007-02-23](https://search.stillhousedata.com/proxy/0000950124-07-001028) | DEFA14A |
| [2007-02-23](https://search.stillhousedata.com/proxy/0000950124-07-001027) | DEFA14A |
| [2006-04-19](https://search.stillhousedata.com/proxy/0000277158-06-000007) | DEF 14A |
| [2005-05-31](https://search.stillhousedata.com/proxy/0000277158-05-000046) | DEFR14A |
| [2005-04-29](https://search.stillhousedata.com/proxy/0000277158-05-000022) | DEF 14A |

## More

- [CIK 277158 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=277158&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950124-94-000486.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.