# CELL PATHWAYS INC /DE — 425

CELL PATHWAYS INC /DE of HORSHAM, PA filed a 425 with the SEC on 2003-05-30. Industry: Pharmaceutical Preparations.

## Filing

- Filed: 2003-05-30
- Form: 425
- Accession: 0000950123-03-006696
- Registrant: CELL PATHWAYS INC /DE
- CIK: 0001066284
- Industry (SIC): Pharmaceutical Preparations (2834)
- Location: HORSHAM, PA

## Documents (27)

_Showing 15 of 27 documents._

| Seq | Type | Description |
| --- | --- | --- |
| 1 | 425 | INFORMATION RE: MERGER |
| 3 | GRAPHIC | GRAPHIC |
| 4 | GRAPHIC | GRAPHIC |
| 5 | GRAPHIC | GRAPHIC |
| 6 | GRAPHIC | GRAPHIC |
| 7 | GRAPHIC | GRAPHIC |
| 8 | GRAPHIC | GRAPHIC |
| 9 | GRAPHIC | GRAPHIC |
| 10 | GRAPHIC | GRAPHIC |
| 11 | GRAPHIC | GRAPHIC |
| 12 | GRAPHIC | GRAPHIC |
| 13 | GRAPHIC | GRAPHIC |
| 14 | GRAPHIC | GRAPHIC |
| 15 | GRAPHIC | GRAPHIC |
| 16 | GRAPHIC | GRAPHIC |

## Filing timeline for this registrant (19)

_Showing 12 of 19 filings._

| Filed | Form |
| --- | --- |
| 2003-05-30 | 425 |
| [2003-05-14](https://search.stillhousedata.com/proxy/0000950123-03-005945) | 425 |
| [2003-05-14](https://search.stillhousedata.com/proxy/0000893220-03-000917) | 425 |
| [2003-05-07](https://search.stillhousedata.com/proxy/0000950123-03-005393) | DEFM14A |
| [2003-03-12](https://search.stillhousedata.com/proxy/0000950123-03-002768) | 425 |
| [2003-03-06](https://search.stillhousedata.com/proxy/0000893220-03-000250) | 425 |
| [2003-03-05](https://search.stillhousedata.com/proxy/0000950123-03-002486) | 425 |
| [2003-02-12](https://search.stillhousedata.com/proxy/0000893220-03-000128) | 425 |
| [2003-02-11](https://search.stillhousedata.com/proxy/0000950123-03-001216) | 425 |
| [2003-02-10](https://search.stillhousedata.com/proxy/0000950123-03-001121) | 425 |
| [2003-02-10](https://search.stillhousedata.com/proxy/0000950123-03-001097) | 425 |
| [2003-02-10](https://search.stillhousedata.com/proxy/0000893220-03-000121) | 425 |

## Co-filers (1)

- OSI PHARMACEUTICALS INC

## More

- [CIK 1066284 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1066284&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950123-03-006696.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.
