TESCO CORP Form SC 13D: Beneficial ownership report (active)
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2015-04-16: Form SC 13D/A; Description SCHEDULE 13D/A, AMENDMENT #8; Document l14272636.htm.
- 2014-12-02: Form SC 13D/A; Description AMENDMENT NO. 7; Document t13267389.htm.
- 2014-06-11: Form SC 13D/A; Description SCHEDULE 13D/A, #6; Document l12169562.htm.
- 2014-03-12: Form SC 13D/A; Description SCHEDULE 13D/A, #5; Document l1449603.htm.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 2015-04-16 | SC 13D/A | SCHEDULE 13D/A, AMENDMENT #8 | l14272636.htm | |
| 2014-12-02 | SC 13D/A | AMENDMENT NO. 7 | t13267389.htm | |
| 2014-06-11 | SC 13D/A | SCHEDULE 13D/A, #6 | l12169562.htm | |
| 2014-03-12 | SC 13D/A | SCHEDULE 13D/A, #5 | l1449603.htm | |
| 2013-11-22 | SC 13D/A | SCHEDULE 13D/A, AMENDMENT #4 | l10747990.htm | |
| 2010-01-19 | SC 13D/A | SCHEDULE 13D AMENDMENT NO. 3 | dsc13da.htm | |
| 2009-09-08 | SC 13D/A | SCHEDULE 13D AMENDMENT NO. 2 | dsc13da.htm | |
| 2009-09-01 | SC 13D/A | SCHEDULE 13D AMENDMENT NO. 1 | dsc13da.htm | |
| 2009-07-17 | SC 13D | Beneficial ownership report (active) | t5006702a.txt | |
| 2009-05-20 | SC 13D/A | Beneficial ownership report (active) | tesco13damend3.txt | |
| 2008-08-28 | SC 13D | Beneficial ownership report (active) | tesco13damend2.txt | |
| 2006-05-02 | SC 13D | Beneficial ownership report (active) | tesco13d506.txt | |
| 2004-03-09 | SC 13D | Beneficial ownership report (active) | teo13d3804.txt | |
| 1998-07-17 | SC 13D | Beneficial ownership report (active) | ||
| 1997-12-05 | SC 13D | Beneficial ownership report (active) | ||
| 1997-10-15 | SC 13D | Beneficial ownership report (active) | ||
| 1997-07-21 | SC 13D | Beneficial ownership report (active) |