Document Format Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 1 | 10-K | atha-20221231.htm iXBRL | 10-K | 3596088 |
| 2 | EX-4.3 | atha-ex4_3.htm | EX-4 | 89885 |
| 3 | EX-10.8 | atha-ex10_8.htm | EX-10 | 299143 |
| 4 | EX-10.10 | atha-ex10_10.htm | EX-10 | 60275 |
| 5 | EX-23.1 | atha-ex23_1.htm | EX-23 | 6652 |
| 6 | EX-31.1 | atha-ex31_1.htm | EX-31 | 19462 |
| 7 | EX-31.2 | atha-ex31_2.htm | EX-31 | 19302 |
| 8 | EX-32.1 | atha-ex32_1.htm | EX-32 | 12064 |
| 9 | EX-32.2 | atha-ex32_2.htm | EX-32 | 11869 |
| 10 | GRAPHIC | img104346238_0.jpg | GRAPHIC | 154086 |
| 11 | GRAPHIC | img104346238_1.jpg | GRAPHIC | 124808 |
| 12 | GRAPHIC | img104346238_2.jpg | GRAPHIC | 44215 |
| 13 | GRAPHIC | img104346238_3.jpg | GRAPHIC | 39562 |
| 14 | GRAPHIC | img104346238_4.jpg | GRAPHIC | 69725 |
| 15 | GRAPHIC | img104346238_5.jpg | GRAPHIC | 52392 |
| 16 | GRAPHIC | img104346238_6.jpg | GRAPHIC | 94711 |
| 17 | GRAPHIC | img104346238_7.jpg | GRAPHIC | 41972 |
| 18 | GRAPHIC | img104346238_8.jpg | GRAPHIC | 13083 |
| 19 | GRAPHIC | img104346238_9.jpg | GRAPHIC | 16090 |
| 20 | GRAPHIC | img104346238_10.jpg | GRAPHIC | 98516 |
| 21 | GRAPHIC | img104346238_11.jpg | GRAPHIC | 17761 |
| 22 | GRAPHIC | img104346238_12.jpg | GRAPHIC | 31104 |
| 23 | GRAPHIC | img104346238_13.jpg | GRAPHIC | 27320 |
| 24 | GRAPHIC | img104346238_14.jpg | GRAPHIC | 105080 |
| 25 | GRAPHIC | img104346238_15.jpg | GRAPHIC | 25263 |
| 26 | GRAPHIC | img104346238_16.jpg | GRAPHIC | 65150 |
| 27 | GRAPHIC | img104346238_17.jpg | GRAPHIC | 124035 |
| 28 | GRAPHIC | img104346238_18.jpg | GRAPHIC | 61602 |
| 29 | GRAPHIC | img104346238_19.jpg | GRAPHIC | 55883 |
| 30 | GRAPHIC | img104346238_20.jpg | GRAPHIC | 27065 |
| 31 | GRAPHIC | img104346238_21.jpg | GRAPHIC | 27951 |
| 32 | GRAPHIC | img104346238_22.jpg | GRAPHIC | 17465 |
| 33 | GRAPHIC | img104346238_23.jpg | GRAPHIC | 70594 |
| 34 | GRAPHIC | img104346238_24.jpg | GRAPHIC | 55723 |
| 35 | GRAPHIC | img104346238_25.jpg | GRAPHIC | 61117 |
| 36 | GRAPHIC | img104346238_26.jpg | GRAPHIC | 154086 |
| Complete submission text file | 0000950170-23-009498.txt | 15651626 |
Data Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 37 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | atha-20221231_lab.xml | EX-101.LAB | 488426 |
| 38 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | atha-20221231_pre.xml | EX-101.PRE | 344166 |
| 39 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | atha-20221231.xsd | EX-101.SCH | 59967 |
| 40 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | atha-20221231_def.xml | EX-101.DEF | 174803 |
| 41 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | atha-20221231_cal.xml | EX-101.CAL | 49881 |
| 98 | EXTRACTED XBRL INSTANCE DOCUMENT | atha-20221231_htm.xml | XML | 1995652 |
EIN.: 453368487 | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-39503 | Film No.: 23756398
SIC: 2836 Biological Products, (No Diagnostic Substances)