# OSI PHARMACEUTICALS INC — DEF 14A

OSI PHARMACEUTICALS INC of MELVILLE, NY filed a DEF 14A with the SEC on 2009-04-29. Industry: In Vitro & In Vivo Diagnostic Substances.

## Filing

- Filed: 2009-04-29
- Form: DEF 14A
- Accession: 0000950123-09-007470
- Registrant: OSI PHARMACEUTICALS INC
- CIK: 0000729922
- Industry (SIC): In Vitro & In Vivo Diagnostic Substances (2835)
- State of incorporation: DE
- Location: MELVILLE, NY

## Documents (5)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEF 14A | DEF 14A |
| 3 | GRAPHIC | GRAPHIC |
| 4 | GRAPHIC | GRAPHIC |
| 5 | GRAPHIC | GRAPHIC |
| 6 | GRAPHIC | GRAPHIC |

## Filing timeline for this registrant (36)

_Showing 12 of 36 filings._

| Filed | Form |
| --- | --- |
| [2010-08-05](https://search.stillhousedata.com/proxy/0001341004-10-001341) | SC TO-I/A |
| [2010-07-13](https://search.stillhousedata.com/proxy/0000950123-10-065261) | SC TO-I/A |
| [2010-06-29](https://search.stillhousedata.com/proxy/0000950123-10-062310) | SC TO-I/A |
| [2010-06-18](https://search.stillhousedata.com/proxy/0001341004-10-001058) | SC TO-I/A |
| [2010-06-17](https://search.stillhousedata.com/proxy/0000950123-10-058864) | SC TO-I |
| [2010-05-27](https://search.stillhousedata.com/proxy/0001341004-10-000942) | SC 14D9/A |
| [2010-05-26](https://search.stillhousedata.com/proxy/0001341004-10-000938) | SC 14D9/A |
| [2010-05-20](https://search.stillhousedata.com/proxy/0000950123-10-051647) | SC 14D9/A |
| [2010-05-17](https://search.stillhousedata.com/proxy/0000950123-10-050284) | SC 14D9/A |
| [2010-04-22](https://search.stillhousedata.com/proxy/0001341004-10-000740) | SC 14D9/A |
| [2010-04-06](https://search.stillhousedata.com/proxy/0001341004-10-000640) | SC 14D9/A |
| [2010-03-30](https://search.stillhousedata.com/proxy/0001341004-10-000603) | SC 14D9/A |

## More

- [CIK 729922 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=729922&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950123-09-007470.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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