THORATEC CORP Form SC 13D: Beneficial ownership report (active)
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2012-05-30: Form SC 13D/A; Description SCHEDULE 13D/A; Document v314844_sc13d-a.htm.
- 2011-12-19: Form SC 13D/A; Description Beneficial ownership report (active); Document v243080_sc13d-a.htm.
- 2011-12-05: Form SC 13D/A; Description Beneficial ownership report (active); Document v242379_sc13d-a.htm.
- 2011-06-16: Form SC 13D; Description Beneficial ownership report (active); Document v226085_sc13d.htm.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 2012-05-30 | SC 13D/A | SCHEDULE 13D/A | v314844_sc13d-a.htm | |
| 2011-12-19 | SC 13D/A | Beneficial ownership report (active) | v243080_sc13d-a.htm | |
| 2011-12-05 | SC 13D/A | Beneficial ownership report (active) | v242379_sc13d-a.htm | |
| 2011-06-16 | SC 13D | Beneficial ownership report (active) | v226085_sc13d.htm | |
| 2009-08-10 | SC 13D | SCHEDULE 13D | f53289sc13d.htm | |
| 2009-02-06 | SC 13D/A | AMENDMENT NUMBER 1 TO SCHEDULE 13D | file001.txt | |
| 2005-05-11 | SC 13D/A | SCHEDULE 13 AMENDMENT NO 7 | sch13a7thoratec.txt | |
| 2005-03-24 | SC 13D/A | SCHEDULE 13D AMENDMENT NO. 6 | schedule13da6.txt | |
| 2004-07-28 | SC 13D/A | SCHEDULE 13D AMENDMENT NO. 5 | sch13d62904.txt | |
| 2003-10-28 | SC 13D/A | SCHEDULE 13D AMENDMENT NO. 4 | thor13da4.txt | |
| 2002-04-01 | SC 13D/A | SCHEDULE 13D AMENDMENT NO. 3 | thor13d3.txt | |
| 2001-12-07 | SC 13D | THORATEC CORPORATION-GAMBRO 13D | thoratic13d.htm | |
| 2001-08-27 | SC 13D/A | SCHEDULE 13D AMENDMENT NO. 2 | thor13da.txt | |
| 2001-08-24 | SC 13D/A | SCHEDULE 13D AMENDMENT NO. 2 | thor13da.txt | |
| 2001-07-06 | SC 13D/A | SCHEDULE 13D AMENDMENT NO. 1 | thor13da.txt | |
| 2001-02-27 | SC 13D | SCHEDULE 13D | 0001.txt | |
| 1998-11-23 | SC 13D/A | SCHEDULE 13D AMENDED | ||
| 1998-07-15 | SC 13D | SCHEDULE 13D |