# THORATEC CARDIOSYSTEMS INC /MA/ — DEFM14A

THORATEC CARDIOSYSTEMS INC /MA/ of WOBURN, MA filed a DEFM14A with the SEC on 2001-01-04. Industry: Electromedical & Electrotherapeutic Apparatus.

## Filing

- Filed: 2001-01-04
- Form: DEFM14A
- Accession: 0000950149-01-000014
- Registrant: THORATEC CARDIOSYSTEMS INC /MA/
- CIK: 0000841939
- Industry (SIC): Electromedical & Electrotherapeutic Apparatus (3845)
- State of incorporation: MA
- Location: WOBURN, MA

## Documents (1)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEFM14A | DEFINITIVE PROXY STATEMENT FOR MERGER |

## Filing timeline for this registrant (22)

_Showing 12 of 22 filings._

| Filed | Form |
| --- | --- |
| [2001-02-09](https://search.stillhousedata.com/proxy/0000841939-01-000007) | DEFA14A |
| [2001-02-01](https://search.stillhousedata.com/proxy/0000841939-01-000004) | DEF 14A |
| [2001-01-19](https://search.stillhousedata.com/proxy/0000841939-01-000003) | DEF 14A |
| [2001-01-12](https://search.stillhousedata.com/proxy/0000841939-01-000002) | DEF 14A |
| [2001-01-10](https://search.stillhousedata.com/proxy/0000950135-01-000048) | DEFA14A |
| [2001-01-10](https://search.stillhousedata.com/proxy/0000841939-01-000001) | 425 |
| 2001-01-04 | DEFM14A |
| [2000-12-22](https://search.stillhousedata.com/proxy/0000841939-00-000012) | 425 |
| [2000-11-29](https://search.stillhousedata.com/proxy/0000097745-00-000077) | 425 |
| [2000-10-30](https://search.stillhousedata.com/proxy/0000841939-00-000011) | 425 |
| [2000-10-03](https://search.stillhousedata.com/proxy/0000841939-00-000008) | 425 |
| [2000-04-18](https://search.stillhousedata.com/proxy/0000927016-00-001380) | DEF 14A |

## More

- [CIK 841939 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=841939&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950149-01-000014.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.
