UNIVERSAL DETECTION TECHNOLOGY Form SC 13D: Beneficial ownership report (active)
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2012-02-22: Form SC 13D/A; Description TIZABI/UDT 13D/A-3; Document udt_13da-021312.htm.
- 2011-08-01: Form SC 13D/A; Description SCHEDULE 13D AMENDMENT; Document tizabi_13da-080111.htm.
- 2009-06-30: Form SC 13D/A; Description SCHEDULE 13D AMENDMENT; Document udt_sc13da-262509.txt.
- 2009-05-12: Form SC 13D; Description SCHEDULE 13D; Document tizabi_sc13d.htm.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 2012-02-22 | SC 13D/A | TIZABI/UDT 13D/A-3 | udt_13da-021312.htm | |
| 2011-08-01 | SC 13D/A | SCHEDULE 13D AMENDMENT | tizabi_13da-080111.htm | |
| 2009-06-30 | SC 13D/A | SCHEDULE 13D AMENDMENT | udt_sc13da-262509.txt | |
| 2009-05-12 | SC 13D | SCHEDULE 13D | tizabi_sc13d.htm | |
| 2000-05-02 | SC 13D/A | FORM SC 13D/A | ||
| 1999-08-04 | SC 13D/A | FORM SC 13D/A | ||
| 1999-08-04 | SC 13D/A | FORM SC 13D/A | ||
| 1999-03-24 | SC 13D/A | SCHEDULE 13D/A | ||
| 1999-03-19 | SC 13D | FORM SC 13D | ||
| 1999-03-19 | SC 13D | FORM SC 13D | ||
| 1997-07-15 | SC 13D | SCHEDULE 13D | ||
| 1996-12-05 | SC 13D | SCHEDULE 13D |