Document Format Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 1 | 10-K | pstx-10k_20201231.htm | 10-K | 3201609 |
| 2 | EX-4.6 | pstx-ex46_717.htm | EX-4.6 | 31064 |
| 3 | EX-21.1 | pstx-ex211_718.htm | EX-21.1 | 3839 |
| 4 | EX-23.1 | pstx-ex231_845.htm | EX-23.1 | 3610 |
| 5 | EX-31.1 | pstx-ex311_9.htm | EX-31.1 | 19233 |
| 6 | EX-31.2 | pstx-ex312_8.htm | EX-31.2 | 19512 |
| 7 | EX-32.1 | pstx-ex321_7.htm | EX-32.1 | 10267 |
| 8 | EX-32.2 | pstx-ex322_6.htm | EX-32.2 | 10272 |
| 9 | GRAPHIC | gvjhxilkcdry000004.jpg | GRAPHIC | 31903 |
| 10 | GRAPHIC | gvjhxilkcdry000006.jpg | GRAPHIC | 164058 |
| 11 | GRAPHIC | gvjhxilkcdry000038.jpg | GRAPHIC | 27305 |
| 12 | GRAPHIC | gvjhxilkcdry000023.jpg | GRAPHIC | 75055 |
| 13 | GRAPHIC | gvjhxilkcdry000042.jpg | GRAPHIC | 85138 |
| 14 | GRAPHIC | gvjhxilkcdry000029.jpg | GRAPHIC | 100530 |
| 15 | GRAPHIC | gvjhxilkcdry000027.jpg | GRAPHIC | 91887 |
| 16 | GRAPHIC | gvjhxilkcdry000033.jpg | GRAPHIC | 115719 |
| 17 | GRAPHIC | gvjhxilkcdry000022.jpg | GRAPHIC | 72664 |
| 18 | GRAPHIC | gvjhxilkcdry000036.jpg | GRAPHIC | 146444 |
| 19 | GRAPHIC | gvjhxilkcdry000003.jpg | GRAPHIC | 68187 |
| 20 | GRAPHIC | gvjhxilkcdry000044.jpg | GRAPHIC | 119748 |
| 21 | GRAPHIC | gvjhxilkcdry000005.jpg | GRAPHIC | 79541 |
| 22 | GRAPHIC | gvjhxilkcdry000008.jpg | GRAPHIC | 118685 |
| 23 | GRAPHIC | gvjhxilkcdry000024.jpg | GRAPHIC | 60500 |
| 24 | GRAPHIC | gvjhxilkcdry000015.jpg | GRAPHIC | 108018 |
| 25 | GRAPHIC | gvjhxilkcdry000039.jpg | GRAPHIC | 49917 |
| 26 | GRAPHIC | gvjhxilkcdry000025.jpg | GRAPHIC | 75062 |
| 27 | GRAPHIC | gvjhxilkcdry000019.jpg | GRAPHIC | 50647 |
| 28 | GRAPHIC | gvjhxilkcdry000031.jpg | GRAPHIC | 86349 |
| 29 | GRAPHIC | gvjhxilkcdry000026.jpg | GRAPHIC | 67568 |
| 30 | GRAPHIC | gvjhxilkcdry000012.jpg | GRAPHIC | 81376 |
| 31 | GRAPHIC | gvjhxilkcdry000017.jpg | GRAPHIC | 67564 |
| 32 | GRAPHIC | gvjhxilkcdry000043.jpg | GRAPHIC | 102613 |
| 33 | GRAPHIC | gvjhxilkcdry000011.jpg | GRAPHIC | 82556 |
| 34 | GRAPHIC | gvjhxilkcdry000035.jpg | GRAPHIC | 120432 |
| 35 | GRAPHIC | gvjhxilkcdry000002.jpg | GRAPHIC | 119748 |
| 36 | GRAPHIC | gvjhxilkcdry000032.jpg | GRAPHIC | 155139 |
| 37 | GRAPHIC | gvjhxilkcdry000018.jpg | GRAPHIC | 101605 |
| 38 | GRAPHIC | gvjhxilkcdry000009.jpg | GRAPHIC | 70892 |
| 39 | GRAPHIC | gvjhxilkcdry000010.jpg | GRAPHIC | 82078 |
| 40 | GRAPHIC | gvjhxilkcdry000028.jpg | GRAPHIC | 79414 |
| 41 | GRAPHIC | gvjhxilkcdry000007.jpg | GRAPHIC | 65507 |
| 42 | GRAPHIC | gvjhxilkcdry000021.jpg | GRAPHIC | 63308 |
| 43 | GRAPHIC | gvjhxilkcdry000030.jpg | GRAPHIC | 73319 |
| 44 | GRAPHIC | gvjhxilkcdry000041.jpg | GRAPHIC | 59089 |
| 45 | GRAPHIC | gvjhxilkcdry000040.jpg | GRAPHIC | 112212 |
| 46 | GRAPHIC | gvjhxilkcdry000016.jpg | GRAPHIC | 122779 |
| 47 | GRAPHIC | gvjhxilkcdry000034.jpg | GRAPHIC | 63581 |
| 48 | GRAPHIC | gvjhxilkcdry000001.jpg | GRAPHIC | 128896 |
| 49 | GRAPHIC | gvjhxilkcdry000037.jpg | GRAPHIC | 92936 |
| 50 | GRAPHIC | gvjhxilkcdry000014.jpg | GRAPHIC | 31549 |
| 51 | GRAPHIC | gvjhxilkcdry000013.jpg | GRAPHIC | 86035 |
| 52 | GRAPHIC | gvjhxilkcdry000020.jpg | GRAPHIC | 41314 |
| Complete submission text file | 0001564590-21-012509.txt | 15404945 |
Data Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 53 | XBRL INSTANCE DOCUMENT | pstx-20201231.xml | EX-101.INS | 1890872 |
| 54 | XBRL TAXONOMY EXTENSION SCHEMA | pstx-20201231.xsd | EX-101.SCH | 70976 |
| 55 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE | pstx-20201231_cal.xml | EX-101.CAL | 71158 |
| 56 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE | pstx-20201231_def.xml | EX-101.DEF | 254645 |
| 57 | XBRL TAXONOMY EXTENSION LABEL LINKBASE | pstx-20201231_lab.xml | EX-101.LAB | 592256 |
| 58 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE | pstx-20201231_pre.xml | EX-101.PRE | 446410 |
IRS No.: 472846548 | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-39376 | Film No.: 21733395
SIC: 2836 Biological Products, (No Diagnostic Substances)
