Parent Directory| Name | Size | Last Modified |
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| 0000950170-23-015821-index.html | 2023-04-28 16:16:00 | |
| 0000950170-23-015821.txt | 2023-04-28 16:16:00 | |
 img71844761_0.jpg | 21905 | 2023-04-28 16:16:00 |
| ptc-ex23_2.htm | 5032 | 2023-04-28 16:16:00 |
| ptc-ex5_1.htm | 16588 | 2023-04-28 16:16:00 |
| ptc-exfiling_fees.htm | 27441 | 2023-04-28 16:16:00 |
| s-8_espp_2023.htm | 103696 | 2023-04-28 16:16:00 |