# IGEN INTERNATIONAL INC /DE — 425

IGEN INTERNATIONAL INC /DE of GAITHERSBURG, MD filed a 425 with the SEC on 2003-09-29. Industry: Patent Owners & Lessors.

## Filing

- Filed: 2003-09-29
- Form: 425
- Accession: 0000950123-03-010924
- Registrant: IGEN INTERNATIONAL INC /DE
- CIK: 0000916304
- Industry (SIC): Patent Owners & Lessors (6794)
- State of incorporation: DE
- Location: GAITHERSBURG, MD

## Documents (1)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | 425 | 425 |

## Filing timeline for this registrant (19)

_Showing 12 of 19 filings._

| Filed | Form |
| --- | --- |
| [2004-01-13](https://search.stillhousedata.com/proxy/0000916304-04-000006) | 425 |
| [2003-10-30](https://search.stillhousedata.com/proxy/0000916304-03-000023) | 425 |
| 2003-09-29 | 425 |
| [2003-09-29](https://search.stillhousedata.com/proxy/0000950123-03-010922) | 425 |
| [2003-07-31](https://search.stillhousedata.com/proxy/0000916304-03-000016) | 425 |
| [2003-07-30](https://search.stillhousedata.com/proxy/0000916304-03-000014) | 425 |
| [2003-07-29](https://search.stillhousedata.com/proxy/0000950123-03-008644) | DEF 14A |
| [2003-07-25](https://search.stillhousedata.com/proxy/0000950157-03-000466) | 425 |
| [2003-07-25](https://search.stillhousedata.com/proxy/0000950157-03-000464) | 425 |
| [2002-07-26](https://search.stillhousedata.com/proxy/0001164710-02-500087) | DEF 14A |
| [2001-09-05](https://search.stillhousedata.com/proxy/0000928385-01-501685) | DEFA14A |
| [2001-07-30](https://search.stillhousedata.com/proxy/0001021408-01-504199) | DEF 14A |

## More

- [CIK 916304 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=916304&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950123-03-010924.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.
