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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| NKTR | ROBIN HOWARD W | President & CEO | May 19 '26 | Sale | 65.51 | 444 | 29,086 | 75,045 | May 21 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Feb 18 '26 | Sale | 73.00 | 423 | 30,879 | 75,489 | Feb 20 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Nov 25 '25 | Sale | 54.28 | 2,207 | 119,796 | 54,245 | Nov 25 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Sep 09 '25 | Sale | 46.69 | 6,666 | 311,214 | 49,342 | Sep 11 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Sep 05 '25 | Sale | 38.53 | 6,666 | 256,850 | 56,008 | Sep 08 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Sep 04 '25 | Sale | 33.70 | 5,166 | 174,108 | 62,674 | Sep 08 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Sep 02 '25 | Sale | 30.16 | 1,500 | 45,240 | 67,840 | Sep 04 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Aug 19 '25 | Sale | 26.59 | 1,573 | 41,826 | 69,340 | Aug 21 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | May 19 '25 | Sale | 0.67 | 23,208 | 15,549 | 1,063,693 | May 21 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Feb 19 '25 | Sale | 1.01 | 23,774 | 24,012 | 1,086,901 | Feb 21 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Dec 18 '24 | Sale | 0.99 | 85,035 | 84,185 | 1,110,675 | Dec 19 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Dec 17 '24 | Sale | 1.01 | 46,995 | 47,465 | 1,195,710 | Dec 19 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Nov 19 '24 | Sale | 1.01 | 16,278 | 16,441 | 832,080 | Nov 20 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Aug 19 '24 | Sale | 1.28 | 14,881 | 19,048 | 848,358 | Aug 20 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | May 17 '24 | Sale | 1.75 | 16,650 | 29,138 | 863,239 | May 20 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Feb 20 '24 | Sale | 0.68 | 20,033 | 13,622 | 879,889 | Feb 22 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Nov 17 '23 | Sale | 0.49 | 19,877 | 9,740 | 899,922 | Nov 20 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Aug 16 '23 | Sale | 0.78 | 19,998 | 15,598 | 919,799 | Aug 17 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | May 16 '23 | Sale | 0.72 | 20,361 | 14,660 | 939,797 | May 17 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Feb 16 '23 | Sale | 3.00 | 19,635 | 58,905 | 960,158 | Feb 17 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Nov 16 '22 | Sale | 3.57 | 38,014 | 135,710 | 979,793 | Nov 18 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Aug 15 '22 | Sale | 4.76 | 13,759 | 65,493 | 1,017,807 | Aug 17 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | May 15 '22 | Sale | 3.95 | 36,529 | 144,290 | 620,941 | May 17 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Feb 16 '22 | Sale | 10.95 | 12,480 | 136,656 | 589,020 | Feb 18 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Nov 16 '21 | Sale | 13.16 | 42,773 | 562,893 | 475,450 | Nov 17 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Aug 16 '21 | Sale | 13.83 | 11,515 | 159,252 | 424,123 | Aug 18 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | May 17 '21 | Sale | 18.30 | 11,560 | 211,548 | 435,638 | May 19 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Feb 16 '21 | Sale | 22.37 | 11,495 | 257,143 | 447,198 | Feb 18 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Feb 04 '21 | Option Exercise | 8.80 | 300,000 | 2,640,000 | 608,693 | Feb 04 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Feb 04 '21 | Sale | 20.29 | 150,000 | 3,042,905 | 458,693 | Feb 04 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Feb 03 '21 | Sale | 19.72 | 150,000 | 2,958,000 | 458,693 | Feb 04 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Feb 03 '21 | Option Exercise | 8.80 | 150,000 | 1,320,000 | 533,693 | Feb 04 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Feb 02 '21 | Sale | 19.77 | 150,000 | 2,966,025 | 458,693 | Feb 04 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Feb 02 '21 | Option Exercise | 8.80 | 150,000 | 1,320,000 | 75,000 | Feb 04 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Nov 16 '20 | Sale | 16.93 | 11,975 | 202,737 | 352,043 | Nov 18 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Aug 17 '20 | Sale | 19.67 | 11,885 | 233,778 | 364,018 | Aug 19 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | May 18 '20 | Sale | 22.51 | 8,968 | 201,870 | 375,903 | May 20 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Feb 18 '20 | Sale | 22.35 | 8,448 | 188,813 | 384,871 | Feb 20 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Nov 18 '19 | Sale | 17.97 | 13,556 | 243,601 | 299,219 | Nov 20 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Oct 17 '19 | Option Exercise | 7.21 | 66,666 | 480,662 | 346,108 | Oct 17 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Oct 17 '19 | Sale | 17.68 | 33,333 | 589,327 | 312,775 | Oct 17 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Oct 16 '19 | Option Exercise | 7.21 | 66,668 | 480,676 | 346,109 | Oct 17 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Oct 16 '19 | Sale | 17.48 | 33,334 | 582,678 | 312,775 | Oct 17 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Oct 15 '19 | Sale | 16.95 | 33,333 | 565,085 | 312,775 | Oct 17 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Oct 15 '19 | Option Exercise | 7.21 | 33,333 | 240,331 | 66,667 | Oct 17 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Aug 23 '19 | Option Exercise | 16.31 | 60,000 | 978,600 | 312,775 | Aug 26 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Aug 16 '19 | Sale | 18.15 | 12,551 | 227,801 | 282,775 | Aug 19 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Jul 25 '19 | Sale | 29.65 | 33,333 | 988,323 | 295,326 | Jul 25 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Jul 25 '19 | Option Exercise | 7.21 | 66,666 | 480,662 | 328,659 | Jul 25 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Jul 24 '19 | Sale | 32.11 | 33,334 | 1,070,355 | 295,326 | Jul 25 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Jul 24 '19 | Option Exercise | 7.21 | 66,668 | 480,676 | 328,660 | Jul 25 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Jul 23 '19 | Option Exercise | 7.21 | 33,333 | 240,331 | 166,667 | Jul 25 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | Jul 23 '19 | Sale | 32.10 | 33,333 | 1,069,989 | 295,326 | Jul 25 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | May 23 '19 | Option Exercise | 7.21 | 66,666 | 480,662 | 328,659 | May 23 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | May 23 '19 | Sale | 32.69 | 33,333 | 1,089,656 | 295,326 | May 23 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | May 22 '19 | Option Exercise | 7.21 | 66,668 | 480,676 | 328,660 | May 23 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | May 22 '19 | Sale | 33.38 | 33,334 | 1,112,689 | 295,326 | May 23 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | May 21 '19 | Sale | 32.93 | 33,333 | 1,097,656 | 295,326 | May 23 12:00 AM |
| NKTR | ROBIN HOWARD W | President & CEO | May 21 '19 | Option Exercise | 7.21 | 33,333 | 240,331 | 66,667 | May 23 12:00 AM |