| Filed On | Filing |
|---|---|
| 17 Feb 2023 | 8-K/A |
| 13 Jan 2023 | 8-K/A |
| 27 Jan 2022 | 8-K/A |
| 25 Jun 2021 | 8-K/A |
| 17 Mar 2017 | FORM 8-K/A |
| 09 Aug 2011 | FORM 8-K/A |
| 07 Feb 2008 | PARAMETRIC TECHNOLOGY CORPORATION |
| 03 Oct 2005 | FORM 8-K AMENDMENT NO.1 |
| 16 Apr 2003 | AMENDED 8-K FOR PTC DATED APRIL 16, 2003 |
| 30 Mar 1998 | FORM 8-K/A |
| 23 Jun 1995 | FORM 8K/A |
Loading...
