SEC CIK 1206869
ROBIN HOWARD W
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| NKTRview stock → | 54,627 | 2026-08-18 |
Position History — NKTR
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — NKTR
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-08-18 | Open-market sale | 418 | $71.98 | 54,627 |
| 2026-07-24 | Grant / award (derivative) | 57,200 | $0.00 | 57,200 |
| 2026-06-17 | Open-market sale | 4,500 | $61.65 | 55,045 |
| 2026-06-17 | Open-market sale | 5,500 | $60.81 | 59,545 |
| 2026-06-16 | Open-market sale | 4,697 | $60.71 | 65,045 |
| 2026-06-16 | Open-market sale | 5,303 | $59.97 | 69,742 |
| 2026-05-19 | Open-market sale | 444 | $65.51 | 75,045 |
| 2026-02-18 | Open-market sale | 423 | $73.00 | 75,489 |
| 2025-12-22 | Grant / award (derivative) | 86,667 | $0.00 | 86,667 |
| 2025-12-22 | Grant / award | 21,667 | $0.00 | 75,912 |
| 2025-11-25 | Open-market sale | 2,207 | $54.28 | 54,245 |
| 2025-11-21 | Grant / award (derivative) | 12,170 | $0.00 | 12,170 |
| 2025-11-21 | Grant / award | 7,110 | $0.00 | 56,452 |
| 2025-09-09 | Open-market sale | 1,210 | $48.18 | 49,342 |
| 2025-09-09 | Open-market sale | 2,156 | $47.49 | 50,552 |
| 2025-09-09 | Open-market sale | 1,200 | $46.41 | 52,708 |
| 2025-09-09 | Open-market sale | 2,100 | $45.16 | 53,908 |
| 2025-09-05 | Open-market sale | 1,136 | $39.89 | 56,008 |
| 2025-09-05 | Open-market sale | 2,226 | $38.82 | 57,144 |
| 2025-09-05 | Open-market sale | 3,304 | $37.87 | 59,370 |
| 2025-09-04 | Open-market sale | 1,134 | $35.80 | 62,674 |
| 2025-09-04 | Open-market sale | 613 | $34.40 | 63,808 |
| 2025-09-04 | Open-market sale | 1,496 | $33.54 | 64,421 |
| 2025-09-04 | Open-market sale | 1,923 | $32.37 | 65,917 |
| 2025-09-02 | Open-market sale | 1,500 | $30.16 | 67,840 |
| 2025-08-19 | Grant / award (derivative) | 86,666 | $0.00 | 86,666 |
| 2025-08-19 | Open-market sale | 1,573 | $26.59 | 69,340 |
| 2025-05-19 | Open-market sale | 23,208 | $0.67 | 1,063,693 |
| 2025-02-19 | Open-market sale | 23,774 | $1.01 | 1,086,901 |
| 2024-12-18 | Open-market sale | 85,035 | $0.99 | 1,110,675 |
| 2024-12-17 | Open-market sale | 46,995 | $1.01 | 1,195,710 |
| 2024-12-13 | Grant / award (derivative) | 821,250 | $0.00 | 821,250 |
| 2024-12-13 | Grant / award (derivative) | 1,300,000 | $0.00 | 1,300,000 |
| 2024-12-13 | Grant / award | 410,625 | $0.00 | 1,242,705 |
| 2024-11-19 | Open-market sale | 16,278 | $1.01 | 832,080 |
| 2024-08-19 | Open-market sale | 14,881 | $1.28 | 848,358 |
| 2024-05-17 | Open-market sale | 16,650 | $1.75 | 863,239 |
| 2024-02-20 | Open-market sale | 20,033 | $0.68 | 879,889 |
| 2023-12-13 | Grant / award (derivative) | 1,300,000 | $0.00 | 1,300,000 |
| 2023-11-17 | Open-market sale | 19,877 | $0.49 | 899,922 |
| 2023-08-16 | Open-market sale | 19,998 | $0.78 | 919,799 |
| 2023-05-16 | Open-market sale | 20,361 | $0.72 | 939,797 |
| 2023-02-16 | Open-market sale | 19,635 | $3.00 | 960,158 |
| 2022-11-16 | Open-market sale | 38,014 | $3.57 | 979,793 |
| 2022-08-16 | Open-market sale | 13,759 | $4.76 | 1,017,807 |
| 2022-08-15 | Grant / award (derivative) | 821,250 | $0.00 | 821,250 |
| 2022-08-15 | Grant / award | 410,625 | $0.00 | 1,031,566 |
| 2022-05-16 | Open-market sale | 36,529 | $3.95 | 620,941 |
| 2022-05-15 | Grant / award | 68,450 | $0.00 | 657,470 |
| 2022-02-16 | Open-market sale | 12,480 | $10.95 | 589,020 |
| 2021-12-16 | Grant / award (derivative) | 223,750 | $0.00 | 223,750 |
| 2021-12-16 | Grant / award | 126,050 | $0.00 | 601,500 |
| 2021-11-16 | Open-market sale | 42,773 | $13.16 | 475,450 |
| 2021-11-15 | Grant / award | 94,100 | $0.00 | 518,223 |
| 2021-10-12 | Grant / award (derivative) | 167,650 | $0.00 | 167,650 |
| 2021-08-16 | Open-market sale | 11,515 | $13.83 | 424,123 |
| 2021-05-17 | Open-market sale | 11,560 | $18.30 | 435,638 |
| 2021-02-16 | Open-market sale | 11,495 | $22.37 | 447,198 |
| 2021-02-04 | Option exercise (derivative) | 150,000 | $0.00 | 0 |
| 2021-02-04 | Open-market sale | 58,137 | $20.58 | 458,693 |
| 2021-02-04 | Open-market sale | 91,863 | $20.10 | 516,830 |
| 2021-02-04 | Option exercise | 150,000 | $8.80 | 608,693 |
| 2021-02-03 | Option exercise (derivative) | 75,000 | $0.00 | 0 |
| 2021-02-03 | Option exercise (derivative) | 75,000 | $0.00 | 150,000 |
| 2021-02-03 | Option exercise | 75,000 | $8.80 | 608,693 |
| 2021-02-03 | Open-market sale | 150,000 | $19.72 | 458,693 |
| 2021-02-03 | Option exercise | 75,000 | $8.80 | 533,693 |
| 2021-02-02 | Option exercise (derivative) | 150,000 | $0.00 | 75,000 |
| 2021-02-02 | Option exercise | 150,000 | $8.80 | 608,693 |
| 2021-02-02 | Open-market sale | 600 | $21.59 | 458,693 |
| 2021-02-02 | Open-market sale | 9,900 | $20.84 | 459,293 |
| 2021-02-02 | Open-market sale | 139,500 | $19.69 | 469,193 |
| 2020-12-18 | Grant / award (derivative) | 190,650 | $0.00 | 190,650 |
| 2020-12-18 | Grant / award | 106,650 | $0.00 | 458,693 |
| 2020-11-16 | Open-market sale | 11,975 | $16.93 | 352,043 |
| 2020-08-17 | Open-market sale | 11,885 | $19.67 | 364,018 |
| 2020-05-18 | Open-market sale | 8,968 | $22.51 | 375,903 |
| 2020-02-18 | Open-market sale | 8,448 | $22.35 | 384,871 |
| 2019-12-12 | Grant / award (derivative) | 167,650 | $0.00 | 167,650 |
| 2019-12-12 | Grant / award (derivative) | 44,600 | $0.00 | 44,600 |
| 2019-12-12 | Grant / award | 94,100 | $0.00 | 393,319 |
| 2019-11-18 | Open-market sale | 13,556 | $17.97 | 299,219 |
| 2019-10-17 | Option exercise (derivative) | 33,333 | $0.00 | 0 |
| 2019-10-17 | Option exercise | 33,333 | $7.21 | 346,108 |
| 2019-10-17 | Open-market sale | 33,333 | $17.68 | 312,775 |
| 2019-10-16 | Option exercise (derivative) | 33,334 | $0.00 | 33,333 |
| 2019-10-16 | Open-market sale | 33,334 | $17.48 | 312,775 |
| 2019-10-16 | Option exercise | 33,334 | $7.21 | 346,109 |
| 2019-10-15 | Option exercise (derivative) | 33,333 | $0.00 | 66,667 |
| 2019-10-15 | Open-market sale | 24,500 | $17.17 | 312,775 |
| 2019-10-15 | Option exercise | 33,333 | $7.21 | 346,108 |
| 2019-10-15 | Open-market sale | 8,833 | $16.35 | 337,275 |
| 2019-08-23 | Option exercise (derivative) | 30,000 | $0.00 | 195,000 |
| 2019-08-23 | Option exercise | 30,000 | $16.31 | 312,775 |
| 2019-08-16 | Open-market sale | 12,551 | $18.15 | 282,775 |
| 2019-07-25 | Option exercise (derivative) | 33,333 | $0.00 | 100,000 |
| 2019-07-25 | Open-market sale | 33,333 | $29.65 | 295,326 |
| 2019-07-25 | Option exercise | 33,333 | $7.21 | 328,659 |
| 2019-07-24 | Option exercise (derivative) | 33,334 | $0.00 | 132,333 |
| 2019-07-24 | Open-market sale | 33,334 | $32.11 | 295,326 |
| 2019-07-24 | Option exercise | 33,334 | $7.21 | 328,660 |
| 2019-07-23 | Option exercise (derivative) | 33,333 | $0.00 | 166,667 |
| 2019-07-23 | Open-market sale | 33,333 | $32.10 | 295,326 |
| 2019-07-23 | Option exercise | 33,333 | $7.21 | 328,659 |
| 2019-05-23 | Option exercise (derivative) | 33,333 | $0.00 | 0 |
| 2019-05-23 | Open-market sale | 33,333 | $32.69 | 295,326 |
| 2019-05-23 | Option exercise | 33,333 | $7.21 | 328,659 |
| 2019-05-22 | Option exercise (derivative) | 33,334 | $0.00 | 33,333 |
| 2019-05-22 | Open-market sale | 33,334 | $33.38 | 295,326 |
| 2019-05-22 | Option exercise | 33,334 | $7.21 | 328,660 |
| 2019-05-21 | Option exercise (derivative) | 33,333 | $0.00 | 66,667 |
| 2019-05-21 | Option exercise | 33,333 | $7.21 | 328,659 |
| 2019-05-21 | Open-market sale | 33,333 | $32.93 | 295,326 |
| 2019-05-16 | Open-market sale | 13,383 | $31.37 | 295,326 |
| 2019-02-21 | Option exercise (derivative) | 33,333 | $0.00 | 100,000 |
| 2019-02-21 | Option exercise | 33,333 | $7.21 | 342,042 |
| 2019-02-21 | Open-market sale | 33,333 | $41.01 | 308,709 |
| 2019-02-20 | Option exercise (derivative) | 33,334 | $0.00 | 133,333 |
| 2019-02-20 | Option exercise | 33,334 | $7.21 | 342,043 |
| 2019-02-20 | Open-market sale | 33,334 | $43.20 | 308,709 |
| 2019-02-19 | Option exercise (derivative) | 33,333 | $0.00 | 166,667 |
| 2019-02-19 | Open-market sale | 33,333 | $42.32 | 317,591 |
| 2019-02-19 | Option exercise | 33,333 | $7.21 | 350,924 |
| 2019-02-19 | Open-market sale | 8,882 | $42.39 | 308,709 |
| 2018-12-14 | Grant / award (derivative) | 138,350 | $0.00 | 138,350 |
| 2018-12-14 | Grant / award | 68,450 | $0.00 | 317,591 |
| 2018-11-16 | Open-market sale | 15,326 | $38.25 | 249,141 |
| 2018-08-16 | Disposition to issuer | 20,389 | $58.40 | 264,467 |
| 2018-08-15 | Grant / award (derivative) | 151,250 | $0.00 | 151,250 |
| 2018-08-15 | Grant / award | 60,500 | $0.00 | 284,856 |
| 2018-08-14 | Option exercise (derivative) | 40,000 | $0.00 | 0 |
| 2018-08-14 | Disposition to issuer | 40,000 | $60.08 | 224,356 |
| 2018-08-14 | Grant / award | 40,000 | $10.69 | 264,356 |
| 2018-06-27 | Option exercise (derivative) | 43,333 | $0.00 | 40,000 |
| 2018-06-27 | Option exercise | 43,333 | $10.69 | 267,689 |
| 2018-06-27 | Open-market sale | 43,333 | $47.39 | 224,356 |
| 2018-06-26 | Option exercise (derivative) | 43,333 | $0.00 | 83,333 |
| 2018-06-26 | Option exercise | 43,333 | $10.69 | 267,689 |
| 2018-06-26 | Open-market sale | 43,333 | $49.36 | 224,356 |
| 2018-06-25 | Option exercise (derivative) | 43,334 | $0.00 | 126,666 |
| 2018-06-25 | Open-market sale | 43,334 | $51.82 | 224,356 |
| 2018-06-25 | Option exercise | 43,334 | $10.69 | 267,690 |
| 2018-05-16 | Open-market sale | 12,791 | $83.39 | 224,356 |
| 2018-05-03 | Option exercise (derivative) | 43,333 | $0.00 | 170,000 |
| 2018-05-03 | Open-market sale | 43,333 | $82.86 | 237,147 |
| 2018-05-03 | Option exercise | 43,333 | $10.69 | 280,480 |
| 2018-05-02 | Option exercise (derivative) | 43,333 | $0.00 | 213,333 |
| 2018-05-02 | Open-market sale | 43,333 | $85.63 | 237,147 |
| 2018-05-02 | Option exercise | 43,333 | $10.69 | 280,480 |
| 2018-05-01 | Option exercise (derivative) | 43,334 | $0.00 | 256,666 |
| 2018-05-01 | Open-market sale | 43,334 | $83.65 | 237,147 |
| 2018-05-01 | Option exercise | 43,334 | $10.69 | 280,481 |
| 2018-02-16 | Open-market sale | 12,788 | $82.94 | 237,147 |
| 2018-01-22 | Option exercise (derivative) | 83,333 | $0.00 | 0 |
| 2018-01-22 | Open-market sale | 83,333 | $75.82 | 249,935 |
| 2018-01-22 | Option exercise | 83,333 | $11.34 | 333,268 |
| 2017-12-15 | Grant / award (derivative) | 151,250 | $0.00 | 151,250 |
| 2017-12-15 | Grant / award | 60,500 | $0.00 | 249,935 |
| 2017-12-13 | Option exercise (derivative) | 83,333 | $0.00 | 83,333 |
| 2017-12-13 | Open-market sale | 83,333 | $55.69 | 189,435 |
| 2017-12-13 | Option exercise | 83,333 | $11.34 | 272,768 |
| 2017-11-16 | Disposition to issuer | 18,069 | $44.23 | 189,435 |
| 2017-11-15 | Grant / award (derivative) | 137,500 | $0.00 | 137,500 |
| 2017-11-15 | Grant / award | 55,000 | $0.00 | 207,504 |
| 2017-11-01 | Option exercise (derivative) | 83,334 | $0.00 | 166,666 |
| 2017-11-01 | Open-market sale | 83,334 | $23.57 | 152,504 |
| 2017-11-01 | Option exercise | 83,334 | $11.34 | 235,838 |
| 2017-10-09 | Option exercise (derivative) | 83,333 | $0.00 | 250,000 |
| 2017-10-09 | Option exercise | 83,333 | $11.34 | 235,837 |
| 2017-10-09 | Open-market sale | 83,333 | $24.20 | 152,504 |
| 2017-09-06 | Option exercise (derivative) | 83,333 | $0.00 | 333,333 |
| 2017-09-06 | Open-market sale | 83,333 | $21.54 | 152,504 |
| 2017-09-06 | Option exercise | 83,333 | $11.34 | 235,837 |
| 2017-08-16 | Option exercise (derivative) | 83,334 | $0.00 | 416,666 |
| 2017-08-16 | Option exercise | 83,334 | $11.34 | 235,838 |
| 2017-08-16 | Open-market sale | 83,334 | $19.25 | 152,504 |
| 2017-05-16 | Open-market sale | 8,388 | $19.55 | 160,884 |
| 2017-02-16 | Open-market sale | 8,636 | $13.14 | 169,272 |
| 2017-02-08 | Option exercise (derivative) | 87,500 | $0.00 | 0 |
| 2017-02-08 | Open-market sale | 87,500 | $13.04 | 177,908 |
| 2017-02-08 | Option exercise | 87,500 | $4.65 | 265,408 |
| 2017-01-17 | Option exercise (derivative) | 87,500 | $0.00 | 87,500 |
| 2017-01-17 | Option exercise | 87,500 | $4.65 | 265,408 |
| 2017-01-17 | Open-market sale | 87,500 | $12.35 | 177,908 |
| 2016-12-13 | Grant / award (derivative) | 137,500 | $0.00 | 137,500 |
| 2016-12-13 | Grant / award | 55,000 | $0.00 | 177,908 |
| 2016-12-07 | Option exercise (derivative) | 87,500 | $0.00 | 175,000 |
| 2016-12-07 | Open-market sale | 87,500 | $12.24 | 122,908 |
| 2016-12-07 | Option exercise | 87,500 | $4.65 | 210,408 |
| 2016-11-17 | Option exercise (derivative) | 87,500 | $0.00 | 262,500 |
| 2016-11-17 | Option exercise | 87,500 | $4.65 | 210,408 |
| 2016-11-17 | Open-market sale | 87,500 | $13.87 | 122,908 |
| 2016-11-16 | Open-market sale | 5,958 | $13.96 | 122,908 |
| 2016-10-04 | Option exercise (derivative) | 87,500 | $0.00 | 350,000 |
| 2016-10-04 | Option exercise | 87,500 | $4.65 | 216,366 |
| 2016-10-04 | Open-market sale | 87,500 | $17.06 | 128,866 |
| 2016-09-01 | Option exercise (derivative) | 87,500 | $0.00 | 437,500 |
| 2016-09-01 | Open-market sale | 87,500 | $17.83 | 128,886 |
| 2016-09-01 | Option exercise | 87,500 | $4.65 | 216,366 |
| 2016-08-16 | Open-market sale | 11,817 | $17.56 | 128,866 |
| 2016-07-14 | Grant / award (derivative) | 225,000 | $0.00 | 225,000 |
| 2016-07-14 | Grant / award (derivative) | 56,250 | $0.00 | 56,250 |
| 2016-07-14 | Grant / award | 67,500 | $0.00 | 84,843 |
| 2016-05-17 | Open-market sale | 2,170 | $13.58 | 16,933 |
| 2016-05-16 | Disposition to issuer (derivative) | 5,625 | $0.00 | 56,250 |
| 2016-05-16 | Option exercise | 5,625 | $0.00 | 19,103 |
| 2016-02-17 | Open-market sale | 2,147 | $11.92 | 13,478 |
| 2016-02-16 | Disposition to issuer (derivative) | 5,625 | $0.00 | 61,875 |
| 2016-02-16 | Option exercise | 5,625 | $0.00 | 15,625 |
| 2016-02-10 | Option exercise (derivative) | 66,666 | $0.00 | 0 |
| 2016-02-10 | Open-market sale | 66,666 | $11.49 | 10,000 |
| 2016-02-10 | Option exercise | 66,666 | $6.46 | 76,666 |
| 2016-01-19 | Option exercise (derivative) | 66,667 | $0.00 | 66,666 |
| 2016-01-19 | Open-market sale | 66,667 | $14.12 | 10,000 |
| 2016-01-19 | Option exercise | 66,667 | $6.46 | 76,667 |
| 2015-12-15 | Grant / award (derivative) | 56,250 | $0.00 | 56,250 |
| 2015-12-15 | Grant / award (derivative) | 67,500 | $0.00 | 67,500 |
| 2015-12-15 | Grant / award (derivative) | 67,500 | $0.00 | 67,500 |
| 2015-12-15 | Grant / award (derivative) | 56,250 | $0.00 | 56,250 |
| 2015-12-03 | Option exercise (derivative) | 66,667 | $0.00 | 133,333 |
| 2015-12-03 | Option exercise (derivative) | 58,334 | $0.00 | 0 |
| 2015-12-03 | Option exercise | 66,667 | $6.46 | 135,001 |
| 2015-12-03 | Open-market sale | 125,001 | $15.87 | 10,000 |
| 2015-12-03 | Option exercise | 58,334 | $6.98 | 68,334 |
| 2015-11-11 | Option exercise (derivative) | 58,333 | $0.00 | 408,334 |
| 2015-11-11 | Option exercise (derivative) | 66,667 | $0.00 | 200,000 |
| 2015-11-11 | Option exercise | 58,333 | $6.98 | 68,333 |
| 2015-11-11 | Option exercise | 66,667 | $6.46 | 135,000 |
| 2015-11-11 | Open-market sale | 125,000 | $13.52 | 10,000 |
| 2015-10-06 | Option exercise (derivative) | 66,667 | $0.00 | 266,667 |
| 2015-10-06 | Option exercise (derivative) | 58,333 | $0.00 | 466,667 |
| 2015-10-06 | Option exercise | 66,667 | $6.46 | 135,000 |
| 2015-10-06 | Option exercise | 58,333 | $6.98 | 68,333 |
| 2015-10-06 | Open-market sale | 125,000 | $10.99 | 10,000 |
| 2015-09-23 | Option exercise (derivative) | 58,333 | $0.00 | 525,000 |
| 2015-09-23 | Option exercise (derivative) | 66,666 | $0.00 | 333,334 |
| 2015-09-23 | Option exercise | 66,666 | $6.46 | 134,999 |
| 2015-09-23 | Option exercise | 58,333 | $6.98 | 68,333 |
| 2015-09-23 | Open-market sale | 124,999 | $13.04 | 10,000 |
| 2015-08-13 | Option exercise (derivative) | 58,333 | $0.00 | 583,333 |
| 2015-08-13 | Option exercise | 58,333 | $6.98 | 68,333 |
| 2015-08-13 | Open-market sale | 58,333 | $10.89 | 10,000 |
| 2015-07-14 | Option exercise (derivative) | 58,334 | $0.00 | 641,666 |
| 2015-07-14 | Option exercise | 58,334 | $6.98 | 68,334 |
| 2015-07-14 | Open-market sale | 58,334 | $11.78 | 10,000 |
| 2014-12-09 | Grant / award (derivative) | 225,000 | $0.00 | 225,000 |
| 2014-12-01 | Option exercise (derivative) | 209,056 | $0.00 | 350,000 |
| 2014-12-01 | Option exercise | 209,056 | $6.98 | 219,056 |
| 2014-12-01 | Open-market sale | 209,056 | $17.00 | 10,000 |
| 2014-11-28 | Option exercise (derivative) | 140,944 | $0.00 | 559,056 |
| 2014-11-28 | Open-market sale | 140,944 | $17.02 | 10,000 |
| 2014-11-28 | Option exercise | 140,944 | $6.98 | 150,944 |
| 2014-11-25 | Option exercise (derivative) | 467,200 | $0.00 | 0 |
| 2014-11-25 | Option exercise | 467,200 | $14.52 | 477,200 |
| 2014-11-25 | Open-market sale | 467,200 | $15.31 | 10,000 |
| 2014-11-24 | Option exercise (derivative) | 132,800 | $0.00 | 467,200 |
| 2014-11-24 | Option exercise | 132,800 | $14.52 | 142,800 |
| 2014-11-24 | Open-market sale | 132,800 | $15.02 | 10,000 |
| 2014-02-05 | Grant / award (derivative) | 225,000 | $0.00 | 225,000 |
| 2013-02-06 | Grant / award (derivative) | 225,000 | $0.00 | 225,000 |
| 2012-02-08 | Grant / award (derivative) | 200,000 | $7.21 | 200,000 |
| 2011-02-08 | Grant / award (derivative) | 300,000 | $10.69 | 300,000 |
| 2010-02-01 | Grant / award (derivative) | 500,000 | $11.34 | 500,000 |
| 2009-02-23 | Grant / award (derivative) | 525,000 | $4.65 | 525,000 |
| 2008-02-25 | Grant / award (derivative) | 400,000 | $6.46 | 400,000 |
| 2007-12-21 | Grant / award (derivative) | 700,000 | $0.00 | 700,000 |
| 2007-03-05 | Open-market buy | 9,000 | $11.27 | 9,000 |
| 2007-03-05 | Open-market buy | 1,000 | $11.27 | 10,000 |
| 2007-01-15 | Grant / award (derivative) | 600,000 | $14.52 | 600,000 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.