# PROTON ENERGY SYSTEMS INC — DEF 14A

PROTON ENERGY SYSTEMS INC of WALLINGFORD, CT filed a DEF 14A with the SEC on 2002-04-16. Industry: Electrical Industrial Apparatus.

## Filing

- Filed: 2002-04-16
- Form: DEF 14A
- Accession: 0000950130-02-002663
- Registrant: PROTON ENERGY SYSTEMS INC
- CIK: 0001114617
- Industry (SIC): Electrical Industrial Apparatus (3620)
- State of incorporation: DE
- Location: WALLINGFORD, CT

## Documents (1)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEF 14A | DEFINITIVE PROXY STATEMENT |

## Filing timeline for this registrant (7)

| Filed | Form |
| --- | --- |
| [2003-11-06](https://search.stillhousedata.com/proxy/0001193125-03-074418) | DEFM14A |
| [2003-09-04](https://search.stillhousedata.com/proxy/0001193125-03-045582) | 425 |
| [2003-05-23](https://search.stillhousedata.com/proxy/0001193125-03-006557) | 425 |
| [2003-05-23](https://search.stillhousedata.com/proxy/0001193125-03-006477) | 425 |
| [2003-04-29](https://search.stillhousedata.com/proxy/0001193125-03-002255) | DEF 14A |
| 2002-04-16 | DEF 14A |
| [2001-04-27](https://search.stillhousedata.com/proxy/0001036050-01-500377) | DEF 14A |

## More

- [CIK 1114617 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1114617&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950130-02-002663.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

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.
