HYPERION SOFTWARE CORP of STAMFORD, CT filed a PRE 14A with the SEC on 1995-09-18. Industry: Services-Prepackaged Software.
| Filed | Form |
|---|---|
| 1998-07-15 | DEFM14A |
| 1997-11-18 | DEFA14A |
| 1997-10-09 | DEF 14A |
| 1996-10-08 | DEF 14A |
| 1995-10-16 | DEF 14A |
| 1995-09-18 | PRE 14A |
| 1994-10-19 | DEF 14A |