# HYPERION SOFTWARE CORP — DEFA14A

HYPERION SOFTWARE CORP of STAMFORD, CT filed a DEFA14A with the SEC on 1997-11-18. Industry: Services-Prepackaged Software.

## Filing

- Filed: 1997-11-18
- Form: DEFA14A
- Accession: 0000950135-97-004681
- Registrant: HYPERION SOFTWARE CORP
- CIK: 0000878594
- Industry (SIC): Services-Prepackaged Software (7372)
- State of incorporation: DE
- Location: STAMFORD, CT

## Filing timeline for this registrant (7)

| Filed | Form |
| --- | --- |
| [1998-07-15](https://search.stillhousedata.com/proxy/0000891618-98-003328) | DEFM14A |
| 1997-11-18 | DEFA14A |
| [1997-10-09](https://search.stillhousedata.com/proxy/0000950135-97-004092) | DEF 14A |
| [1996-10-08](https://search.stillhousedata.com/proxy/0000950135-96-004295) | DEF 14A |
| [1995-10-16](https://search.stillhousedata.com/proxy/0000950135-95-002152) | DEF 14A |
| [1995-09-18](https://search.stillhousedata.com/proxy/0000950135-95-001941) | PRE 14A |
| [1994-10-19](https://search.stillhousedata.com/proxy/0000950135-94-000605) | DEF 14A |

## More

- [CIK 878594 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=878594&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950135-97-004681.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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