ZYGO CORP Form SC 13D: Beneficial ownership report (active)
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2014-06-23: Form SC 13D/A; Description Beneficial ownership report (active); Document zigo_03.htm.
- 2014-06-02: Form SC 13D/A; Description Beneficial ownership report (active); Document zigo_02.htm.
- 2014-05-02: Form SC 13D/A; Description Beneficial ownership report (active); Document zigo_01.htm.
- 2014-04-24: Form SC 13D; Description Beneficial ownership report (active); Document zigo_00.htm.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 2014-06-23 | SC 13D/A | Beneficial ownership report (active) | zigo_03.htm | |
| 2014-06-02 | SC 13D/A | Beneficial ownership report (active) | zigo_02.htm | |
| 2014-05-02 | SC 13D/A | Beneficial ownership report (active) | zigo_01.htm | |
| 2014-04-24 | SC 13D | Beneficial ownership report (active) | zigo_00.htm | |
| 2014-04-16 | SC 13D/A | AMENDMENT TO SCHEDULE 13D | v374984_sc13da.htm | |
| 2013-07-15 | SC 13D/A | P13-1480SC13DA ZYGO CORPORATION | p13-1480sc13da.htm | |
| 2012-09-11 | SC 13D/A | Beneficial ownership report (active) | zigo_01.htm | |
| 2010-12-20 | SC 13D | Beneficial ownership report (active) | zigo_00.htm | |
| 2010-08-27 | SC 13D/A | AUGUST 27, 2010 | zygo13da-082710.htm | |
| 2010-04-09 | SC 13D/A | APRIL 9, 2010 | zygo13da-040910.htm | |
| 2010-03-08 | SC 13D | MARCH 8, 2010 | zygo13d-030810.htm |