PLATINUM TECHNOLOGY INTERNATIONAL INC of OAKBROOK TERRACE, IL filed a SC 14D9/A with the SEC on 1999-05-20. Industry: Services-Prepackaged Software.
| Filed | Form |
|---|---|
| 1999-05-26 | SC 14D9/A |
| 1999-05-20 | SC 14D9/A |
| 1999-05-11 | SC 14D9/A |
| 1999-05-05 | SC 14D9/A |
| 1999-04-19 | SC 14D9/A |
| 1999-04-13 | SC 14D9/A |
| 1999-04-05 | SC 14D9 |
| 1998-04-24 | DEFR14A |
| 1998-04-20 | DEF 14A |
| 1997-04-21 | DEF 14A |