ANSYS, Inc. Form SC 13D: Beneficial ownership report (active)
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2006-11-21: Form SC 13D/A; Description AMENDMENT NO. 1 TO SCHEDULE 13D RE ANSYS; Document sch13d_ansys-112006.htm.
- 2006-05-11: Form SC 13D; Description SCHEDULE 13D RE WS II; Document sch13d_wsii-51106.htm.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 2006-11-21 | SC 13D/A | AMENDMENT NO. 1 TO SCHEDULE 13D RE ANSYS | sch13d_ansys-112006.htm | |
| 2006-05-11 | SC 13D | SCHEDULE 13D RE WS II | sch13d_wsii-51106.htm |