Document Format Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 1 | 10-K | nk-10k_20191231.htm | 10-K | 4478283 |
| 2 | EX-4.8 | nk-ex48_1107.htm | EX-4.8 | 26458 |
| 3 | EX-10.26 | nk-ex1026_1106.htm | EX-10.26 | 76879 |
| 4 | EX-21.1 | nk-ex211_11.htm | EX-21.1 | 4791 |
| 5 | EX-23.1 | nk-ex231_6.htm | EX-23.1 | 3099 |
| 6 | EX-31.1 | nk-ex311_7.htm | EX-31.1 | 18201 |
| 7 | EX-31.2 | nk-ex312_8.htm | EX-31.2 | 18213 |
| 8 | EX-32.1 | nk-ex321_10.htm | EX-32.1 | 4799 |
| 9 | EX-32.2 | nk-ex322_9.htm | EX-32.2 | 4727 |
| 10 | GRAPHIC | g4i5nix4zlkt000024.jpg | GRAPHIC | 58365 |
| 11 | GRAPHIC | g4i5nix4zlkt000006.jpg | GRAPHIC | 26357 |
| 12 | GRAPHIC | g4i5nix4zlkt000003.jpg | GRAPHIC | 51560 |
| 13 | GRAPHIC | g4i5nix4zlkt000004.jpg | GRAPHIC | 56973 |
| 14 | GRAPHIC | g4i5nix4zlkt000001.jpg | GRAPHIC | 46476 |
| 15 | GRAPHIC | g4i5nix4zlkt000025.jpg | GRAPHIC | 52106 |
| 16 | GRAPHIC | g4i5nix4zlkt000029.jpg | GRAPHIC | 38285 |
| 17 | GRAPHIC | g4i5nix4zlkt000027.jpg | GRAPHIC | 35853 |
| 18 | GRAPHIC | g4i5nix4zlkt000007.jpg | GRAPHIC | 61428 |
| 19 | GRAPHIC | g4i5nix4zlkt000034.jpg | GRAPHIC | 55508 |
| 20 | GRAPHIC | g4i5nix4zlkt000044.jpg | GRAPHIC | 27501 |
| 21 | GRAPHIC | g4i5nix4zlkt000035.jpg | GRAPHIC | 52686 |
| 22 | GRAPHIC | g4i5nix4zlkt000043.jpg | GRAPHIC | 38622 |
| 23 | GRAPHIC | g4i5nix4zlkt000033.jpg | GRAPHIC | 63270 |
| 24 | GRAPHIC | g4i5nix4zlkt000031.jpg | GRAPHIC | 35385 |
| 25 | GRAPHIC | g4i5nix4zlkt000026.jpg | GRAPHIC | 35590 |
| 26 | GRAPHIC | g4i5nix4zlkt000040.jpg | GRAPHIC | 50982 |
| 27 | GRAPHIC | g4i5nix4zlkt000032.jpg | GRAPHIC | 42428 |
| 28 | GRAPHIC | g4i5nix4zlkt000045.jpg | GRAPHIC | 39561 |
| 29 | GRAPHIC | g4i5nix4zlkt000018.jpg | GRAPHIC | 38352 |
| 30 | GRAPHIC | g4i5nix4zlkt000005.jpg | GRAPHIC | 43840 |
| 31 | GRAPHIC | g4i5nix4zlkt000022.jpg | GRAPHIC | 32015 |
| 32 | GRAPHIC | g4i5nix4zlkt000037.jpg | GRAPHIC | 52131 |
| 33 | GRAPHIC | g4i5nix4zlkt000048.jpg | GRAPHIC | 45722 |
| 34 | GRAPHIC | g4i5nix4zlkt000019.jpg | GRAPHIC | 21671 |
| 35 | GRAPHIC | g4i5nix4zlkt000038.jpg | GRAPHIC | 55986 |
| 36 | GRAPHIC | g4i5nix4zlkt000014.jpg | GRAPHIC | 36357 |
| 37 | GRAPHIC | g4i5nix4zlkt000028.jpg | GRAPHIC | 34990 |
| 38 | GRAPHIC | g4i5nix4zlkt000030.jpg | GRAPHIC | 37768 |
| 39 | GRAPHIC | g4i5nix4zlkt000012.jpg | GRAPHIC | 34736 |
| 40 | GRAPHIC | g4i5nix4zlkt000046.jpg | GRAPHIC | 42701 |
| 41 | GRAPHIC | g4i5nix4zlkt000017.jpg | GRAPHIC | 59245 |
| 42 | GRAPHIC | g4i5nix4zlkt000013.jpg | GRAPHIC | 41209 |
| 43 | GRAPHIC | g4i5nix4zlkt000039.jpg | GRAPHIC | 44026 |
| 44 | GRAPHIC | g4i5nix4zlkt000047.jpg | GRAPHIC | 30242 |
| 45 | GRAPHIC | g4i5nix4zlkt000021.jpg | GRAPHIC | 36991 |
| 46 | GRAPHIC | g4i5nix4zlkt000020.jpg | GRAPHIC | 27956 |
| 47 | GRAPHIC | g4i5nix4zlkt000042.jpg | GRAPHIC | 39280 |
| 48 | GRAPHIC | g4i5nix4zlkt000008.jpg | GRAPHIC | 40693 |
| 49 | GRAPHIC | g4i5nix4zlkt000002.jpg | GRAPHIC | 51512 |
| 50 | GRAPHIC | g4i5nix4zlkt000009.jpg | GRAPHIC | 37938 |
| 51 | GRAPHIC | g4i5nix4zlkt000041.jpg | GRAPHIC | 39217 |
| 52 | GRAPHIC | g4i5nix4zlkt000011.jpg | GRAPHIC | 45710 |
| 53 | GRAPHIC | g4i5nix4zlkt000023.jpg | GRAPHIC | 40518 |
| 54 | GRAPHIC | g4i5nix4zlkt000010.jpg | GRAPHIC | 37361 |
| 55 | GRAPHIC | g4i5nix4zlkt000015.jpg | GRAPHIC | 35054 |
| 56 | GRAPHIC | g4i5nix4zlkt000016.jpg | GRAPHIC | 33421 |
| 57 | GRAPHIC | g4i5nix4zlkt000049.jpg | GRAPHIC | 52339 |
| 58 | GRAPHIC | g4i5nix4zlkt000036.jpg | GRAPHIC | 28763 |
| Complete submission text file | 0001564590-20-012816.txt | 18182699 |
Data Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 59 | XBRL INSTANCE DOCUMENT | nk-20191231.xml | EX-101.INS | 3621846 |
| 60 | XBRL TAXONOMY EXTENSION SCHEMA | nk-20191231.xsd | EX-101.SCH | 88684 |
| 61 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE | nk-20191231_cal.xml | EX-101.CAL | 94182 |
| 62 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE | nk-20191231_def.xml | EX-101.DEF | 313470 |
| 63 | XBRL TAXONOMY EXTENSION LABEL LINKBASE | nk-20191231_lab.xml | EX-101.LAB | 717079 |
| 64 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE | nk-20191231_pre.xml | EX-101.PRE | 558234 |
EIN.: 431979754 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-37507 | Film No.: 20742268
SIC: 2836 Biological Products, (No Diagnostic Substances)