The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Robin Howard W since 2015.
This trader's CIK number is 1206869.
At the time of last reporting, Robin Howard W was the President & CEO of Nektar Therapeutics. (stock ticker symbol NKTR).
Also see all insider trading activities at Nektar Therapeutics.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | NKTR | 0 | $0 | 50,055 | $126,626 | 0 | $0 |
| 2024 | NKTR | 0 | $0 | 199,872 | $209,894 | 0 | $0 |
| 2023 | NKTR | 0 | $0 | 79,871 | $98,901 | 0 | $0 |
| 2022 | NKTR | 0 | $0 | 100,782 | $482,146 | 0 | $0 |
| 2021 | NKTR | 0 | $0 | 527,343 | $10,305,885 | 450,000 | $3,960,000 |
| 2020 | NKTR | 0 | $0 | 41,276 | $827,194 | 0 | $0 |
| 2019 | NKTR | 0 | $0 | 448,372 | $13,645,585 | 430,000 | $3,373,291 |
| 2018 | NKTR | 0 | $0 | 384,238 | $26,395,902 | 343,333 | $3,724,392 |
| 2017 | NKTR | 0 | $0 | 617,071 | $14,684,437 | 591,667 | $5,538,752 |
| 2016 | NKTR | 0 | $0 | 438,759 | $6,624,576 | 427,917 | $2,058,168 |
| 2015 | NKTR | 0 | $0 | 616,667 | $7,999,921 | 616,667 | $4,174,334 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-09-02 | NKTR | Sale | 1,500 | 30.16 | 45,240 |
| 2025-08-19 | NKTR | Sale | 1,573 | 26.59 | 41,826 |
| 2025-05-19 | NKTR | Sale | 23,208 | .67 | 15,549 |
| 2025-02-19 | NKTR | Sale | 23,774 | 1.01 | 24,011 |
| 2024-12-18 | NKTR | Sale | 85,035 | .99 | 84,184 |
| 2024-12-17 | NKTR | Sale | 46,995 | 1.01 | 47,464 |
| 2024-11-19 | NKTR | Sale | 16,278 | 1.01 | 16,440 |
| 2024-08-19 | NKTR | Sale | 14,881 | 1.28 | 19,047 |
| 2024-05-17 | NKTR | Sale | 16,650 | 1.75 | 29,137 |
| 2024-02-20 | NKTR | Sale | 20,033 | .68 | 13,622 |
| 2023-11-17 | NKTR | Sale | 19,877 | .49 | 9,739 |
| 2023-08-16 | NKTR | Sale | 19,998 | .78 | 15,598 |
| 2023-05-16 | NKTR | Sale | 20,361 | .72 | 14,659 |
| 2023-02-16 | NKTR | Sale | 19,635 | 3.00 | 58,905 |
| 2022-11-16 | NKTR | Sale | 38,014 | 3.57 | 135,709 |
| 2022-08-16 | NKTR | Sale | 13,759 | 4.76 | 65,492 |
| 2022-05-16 | NKTR | Sale | 36,529 | 3.95 | 144,289 |
| 2022-02-16 | NKTR | Sale | 12,480 | 10.95 | 136,656 |
| 2021-11-16 | NKTR | Sale | 42,773 | 13.16 | 562,892 |
| 2021-08-16 | NKTR | Sale | 11,515 | 13.83 | 159,252 |
| 2021-05-17 | NKTR | Sale | 11,560 | 18.30 | 211,548 |
| 2021-02-16 | NKTR | Sale | 11,495 | 22.37 | 257,143 |
| 2021-02-04 | NKTR | Option Ex | 150,000 | 8.80 | 1,320,000 |
| 2021-02-04 | NKTR | Sale | 150,000 | 20.34 | 3,051,000 |
| 2021-02-02 | NKTR | Sale | 150,000 | 20.71 | 3,106,050 |
| 2021-02-03 | NKTR | Option Ex | 150,000 | 8.80 | 1,320,000 |
| 2021-02-02 | NKTR | Option Ex | 150,000 | 8.80 | 1,320,000 |
| 2021-02-03 | NKTR | Sale | 150,000 | 19.72 | 2,958,000 |
| 2020-11-16 | NKTR | Sale | 11,975 | 16.93 | 202,736 |
| 2020-08-17 | NKTR | Sale | 11,885 | 19.67 | 233,777 |
| 2020-05-18 | NKTR | Sale | 8,968 | 22.51 | 201,869 |
| 2020-02-18 | NKTR | Sale | 8,448 | 22.35 | 188,812 |
| 2019-11-18 | NKTR | Sale | 13,556 | 17.97 | 243,601 |
| 2019-10-17 | NKTR | Option Ex | 33,333 | 7.21 | 240,330 |
| 2019-10-15 | NKTR | Sale | 33,333 | 16.76 | 558,661 |
| 2019-10-16 | NKTR | Option Ex | 33,334 | 7.21 | 240,338 |
| 2019-10-15 | NKTR | Option Ex | 33,333 | 7.21 | 240,330 |
| 2019-10-17 | NKTR | Sale | 33,333 | 17.68 | 589,327 |
| 2019-10-16 | NKTR | Sale | 33,334 | 17.48 | 582,678 |
| 2019-08-23 | NKTR | Option Ex | 30,000 | 16.31 | 489,299 |
| 2019-08-16 | NKTR | Sale | 12,551 | 18.15 | 227,800 |
| 2019-07-24 | NKTR | Option Ex | 33,334 | 7.21 | 240,338 |
| 2019-07-23 | NKTR | Option Ex | 33,333 | 7.21 | 240,330 |
| 2019-07-25 | NKTR | Sale | 33,333 | 29.65 | 988,323 |
| 2019-07-24 | NKTR | Sale | 33,334 | 32.11 | 1,070,354 |
| 2019-07-25 | NKTR | Option Ex | 33,333 | 7.21 | 240,330 |
| 2019-07-23 | NKTR | Sale | 33,333 | 32.10 | 1,069,989 |
| 2019-05-23 | NKTR | Sale | 33,333 | 32.69 | 1,089,655 |
| 2019-05-22 | NKTR | Sale | 33,334 | 33.38 | 1,112,688 |
| 2019-05-23 | NKTR | Option Ex | 33,333 | 7.21 | 240,330 |
| 2019-05-21 | NKTR | Sale | 33,333 | 32.93 | 1,097,655 |
| 2019-05-22 | NKTR | Option Ex | 33,334 | 7.21 | 240,338 |
| 2019-05-21 | NKTR | Option Ex | 33,333 | 7.21 | 240,330 |
| 2019-05-16 | NKTR | Sale | 13,383 | 31.37 | 419,824 |
| 2019-02-20 | NKTR | Sale | 33,334 | 43.20 | 1,440,028 |
| 2019-02-19 | NKTR | Sale | 42,215 | 42.35 | 1,788,016 |
| 2019-02-21 | NKTR | Option Ex | 33,333 | 7.21 | 240,330 |
| 2019-02-20 | NKTR | Option Ex | 33,334 | 7.21 | 240,338 |
| 2019-02-19 | NKTR | Option Ex | 33,333 | 7.21 | 240,330 |
| 2019-02-21 | NKTR | Sale | 33,333 | 41.01 | 1,366,986 |
| 2018-11-16 | NKTR | Sale | 15,326 | 38.25 | 586,219 |
| 2018-06-26 | NKTR | Option Ex | 43,333 | 10.69 | 463,229 |
| 2018-06-25 | NKTR | Option Ex | 43,334 | 10.69 | 463,240 |
| 2018-06-27 | NKTR | Sale | 43,333 | 47.39 | 2,053,550 |
| 2018-06-26 | NKTR | Sale | 43,333 | 49.36 | 2,138,916 |
| 2018-06-27 | NKTR | Option Ex | 43,333 | 10.69 | 463,229 |
| 2018-06-25 | NKTR | Sale | 43,334 | 51.82 | 2,245,567 |
| 2018-05-16 | NKTR | Sale | 12,791 | 83.39 | 1,066,641 |
| 2018-05-02 | NKTR | Sale | 43,333 | 85.63 | 3,710,604 |
| 2018-05-03 | NKTR | Option Ex | 43,333 | 10.69 | 463,229 |
| 2018-05-01 | NKTR | Sale | 43,334 | 83.65 | 3,624,889 |
| 2018-05-02 | NKTR | Option Ex | 43,333 | 10.69 | 463,229 |
| 2018-05-01 | NKTR | Option Ex | 43,334 | 10.69 | 463,240 |
| 2018-05-03 | NKTR | Sale | 43,333 | 82.86 | 3,590,572 |
| 2018-02-16 | NKTR | Sale | 12,788 | 82.94 | 1,060,636 |
| 2018-01-22 | NKTR | Sale | 83,333 | 75.82 | 6,318,308 |
| 2018-01-22 | NKTR | Option Ex | 83,333 | 11.34 | 944,996 |
| 2017-12-13 | NKTR | Option Ex | 83,333 | 11.34 | 944,996 |
| 2017-12-13 | NKTR | Sale | 83,333 | 55.69 | 4,640,814 |
| 2017-11-01 | NKTR | Option Ex | 83,334 | 11.34 | 945,007 |
| 2017-11-01 | NKTR | Sale | 83,334 | 23.57 | 1,964,182 |
| 2017-10-09 | NKTR | Sale | 83,333 | 24.20 | 2,016,658 |
| 2017-10-09 | NKTR | Option Ex | 83,333 | 11.34 | 944,996 |
| 2017-09-06 | NKTR | Sale | 83,333 | 21.54 | 1,794,992 |
| 2017-09-06 | NKTR | Option Ex | 83,333 | 11.34 | 944,996 |
| 2017-08-16 | NKTR | Option Ex | 83,334 | 11.34 | 945,007 |
| 2017-08-16 | NKTR | Sale | 91,714 | 19.29 | 1,768,704 |
| 2017-05-16 | NKTR | Sale | 8,388 | 19.55 | 163,985 |
| 2017-02-16 | NKTR | Sale | 8,636 | 13.14 | 113,477 |
| 2017-02-08 | NKTR | Sale | 87,500 | 13.04 | 1,141,000 |
| 2017-02-08 | NKTR | Option Ex | 87,500 | 4.65 | 406,875 |
| 2017-01-17 | NKTR | Sale | 87,500 | 12.35 | 1,080,625 |
| 2017-01-17 | NKTR | Option Ex | 87,500 | 4.65 | 406,875 |
| 2016-12-07 | NKTR | Option Ex | 87,500 | 4.65 | 406,875 |
| 2016-12-07 | NKTR | Sale | 87,500 | 12.24 | 1,071,000 |
| 2016-11-16 | NKTR | Sale | 5,958 | 13.96 | 83,173 |
| 2016-11-17 | NKTR | Sale | 87,500 | 13.87 | 1,213,625 |
| 2016-11-17 | NKTR | Option Ex | 87,500 | 4.65 | 406,875 |
| 2016-10-04 | NKTR | Sale | 87,500 | 17.06 | 1,492,750 |
| 2016-10-04 | NKTR | Option Ex | 87,500 | 4.65 | 406,875 |
| 2016-09-01 | NKTR | Option Ex | 87,500 | 4.65 | 406,875 |
| 2016-09-01 | NKTR | Sale | 87,500 | 17.83 | 1,560,124 |
| 2016-08-16 | NKTR | Sale | 11,817 | 17.56 | 207,506 |
| 2016-05-17 | NKTR | Sale | 2,170 | 13.58 | 29,468 |
| 2016-05-16 | NKTR | Option Ex | 5,625 | .00 | 0 |
| 2016-02-17 | NKTR | Sale | 2,147 | 11.92 | 25,592 |
| 2016-02-16 | NKTR | Option Ex | 5,625 | .00 | 0 |
| 2016-01-19 | NKTR | Option Ex | 66,667 | 6.46 | 430,668 |
| 2016-01-19 | NKTR | Sale | 66,667 | 14.12 | 941,338 |
| 2015-12-03 | NKTR | Sale | 125,001 | 15.87 | 1,983,765 |
| 2015-12-03 | NKTR | Option Ex | 125,001 | 6.72 | 840,006 |
| 2015-11-11 | NKTR | Option Ex | 125,000 | 6.72 | 840,000 |
| 2015-11-11 | NKTR | Sale | 125,000 | 13.52 | 1,690,000 |
| 2015-10-06 | NKTR | Sale | 125,000 | 10.99 | 1,373,750 |
| 2015-10-06 | NKTR | Option Ex | 125,000 | 6.72 | 840,000 |
| 2015-09-23 | NKTR | Option Ex | 124,999 | 6.72 | 839,993 |
| 2015-09-23 | NKTR | Sale | 124,999 | 13.04 | 1,629,986 |
| 2015-08-13 | NKTR | Option Ex | 58,333 | 6.98 | 407,164 |
| 2015-08-13 | NKTR | Sale | 58,333 | 10.89 | 635,246 |
| 2015-07-14 | NKTR | Option Ex | 58,334 | 6.98 | 407,171 |
| 2015-07-14 | NKTR | Sale | 58,334 | 11.78 | 687,174 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Robin Howard W (President & CEO of Nektar Therapeutics at the time of this reporting) see the Securities and Exchange Commission (SEC) website.