# DUQUESNE LIGHT HOLDINGS INC — DEF 14A

DUQUESNE LIGHT HOLDINGS INC of PITTSBURGH, PA filed a DEF 14A with the SEC on 1999-03-10. Industry: Electric Services.

## Filing

- Filed: 1999-03-10
- Form: DEF 14A
- Accession: 0000950132-99-000194
- Registrant: DUQUESNE LIGHT HOLDINGS INC
- CIK: 0000846930
- Industry (SIC): Electric Services (4911)
- State of incorporation: PA
- Location: PITTSBURGH, PA

## Filing timeline for this registrant (18)

_Showing 12 of 18 filings._

| Filed | Form |
| --- | --- |
| [2006-11-15](https://search.stillhousedata.com/proxy/0001193125-06-236290) | DEFA14A |
| [2006-10-05](https://search.stillhousedata.com/proxy/0001193125-06-203356) | DEFM14A |
| [2006-10-04](https://search.stillhousedata.com/proxy/0001193125-06-202653) | PRER14A |
| [2006-09-22](https://search.stillhousedata.com/proxy/0001193125-06-195759) | PRER14A |
| [2006-08-04](https://search.stillhousedata.com/proxy/0001193125-06-161849) | PREM14A |
| [2006-04-28](https://search.stillhousedata.com/proxy/0000950128-06-000028) | DEF 14A |
| [2005-04-13](https://search.stillhousedata.com/proxy/0001047469-05-010006) | DEF 14A |
| [2004-05-11](https://search.stillhousedata.com/proxy/0000950128-04-000516) | DEFA14A |
| [2004-05-04](https://search.stillhousedata.com/proxy/0000950128-04-000464) | DEFA14A |
| [2004-03-31](https://search.stillhousedata.com/proxy/0000950128-04-000362) | DEFA14A |
| [2004-03-31](https://search.stillhousedata.com/proxy/0000950128-04-000361) | DEF 14A |
| [2003-03-31](https://search.stillhousedata.com/proxy/0001047469-03-011082) | DEF 14A |

## More

- [CIK 846930 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=846930&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950132-99-000194.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.