Howard W Robin
Insider
First SEC filing: Jan. 16, 2007 · Latest: Jan. 16, 2007
Insider at
Insider transactions
0 buys (P)
8 sells (S)
Net: $-1,424,905
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 18, 2026 | NKTR | S | 418 | $71.98 | $30,088 | 54,627 Direct | -0.76% | Disposed | -41.3% (price as of 2026-10-05) |
| July 24, 2026 | NKTR | A | 57,200 | · | · | 57,200 Direct | · | Acquired | (price as of 2026-10-05) |
| June 17, 2026 | NKTR | S 10b5-1 | 5,500 | $60.81 | $334,455 | 59,545 Direct | -8.46% | Disposed | -30.6% (price as of 2026-10-05) |
| June 17, 2026 | NKTR | S 10b5-1 | 4,500 | $61.65 | $277,425 | 55,045 Direct | -7.56% | Disposed | -31.5% (price as of 2026-10-05) |
| June 16, 2026 | NKTR | S 10b5-1 | 4,697 | $60.71 | $285,155 | 65,045 Direct | -6.73% | Disposed | -30.5% (price as of 2026-10-05) |
| June 16, 2026 | NKTR | S 10b5-1 | 5,303 | $59.97 | $318,021 | 69,742 Direct | -7.07% | Disposed | -29.6% (price as of 2026-10-05) |
| May 19, 2026 | NKTR | S | 444 | $65.51 | $29,086 | 75,045 Direct | -0.59% | Disposed | -35.6% (price as of 2026-10-05) |
| Feb. 18, 2026 | NKTR | S | 423 | $73.00 | $30,879 | 75,489 Direct | -0.56% | Disposed | -42.2% (price as of 2026-10-05) |
| Dec. 22, 2025 | NKTR | A | 86,667 | · | · | 86,667 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 22, 2025 | NKTR | A | 21,667 | · | · | 75,912 Direct | +39.94% | Acquired | (price as of 2026-10-05) |
| Nov. 25, 2025 | NKTR | S | 2,207 | $54.28 | $119,796 | 54,245 Direct | -3.91% | Disposed | -22.2% (price as of 2026-10-05) |
| Nov. 21, 2025 | NKTR | A | 12,170 | · | · | 12,170 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 21, 2025 | NKTR | A | 7,110 | · | · | 56,452 Direct | +14.41% | Acquired | (price as of 2026-10-05) |
| Sept. 9, 2025 | NKTR | S 10b5-1 | 1,210 | $48.18 | $58,298 | 49,342 Direct | -2.39% | Disposed | -12.4% (price as of 2026-10-05) |
| Sept. 9, 2025 | NKTR | S 10b5-1 | 2,156 | $47.49 | $102,388 | 50,552 Direct | -4.09% | Disposed | -11.1% (price as of 2026-10-05) |
| Sept. 9, 2025 | NKTR | S 10b5-1 | 1,200 | $46.41 | $55,692 | 52,708 Direct | -2.23% | Disposed | -9.0% (price as of 2026-10-05) |
| Sept. 9, 2025 | NKTR | S 10b5-1 | 2,100 | $45.16 | $94,836 | 53,908 Direct | -3.75% | Disposed | -6.5% (price as of 2026-10-05) |
| Sept. 5, 2025 | NKTR | S 10b5-1 | 1,136 | $39.89 | $45,315 | 56,008 Direct | -1.99% | Disposed | 5.8% (price as of 2026-10-05) |
| Sept. 5, 2025 | NKTR | S 10b5-1 | 2,226 | $38.82 | $86,413 | 57,144 Direct | -3.75% | Disposed | 8.8% (price as of 2026-10-05) |
| Sept. 5, 2025 | NKTR | S 10b5-1 | 3,304 | $37.87 | $125,122 | 59,370 Direct | -5.27% | Disposed | 11.5% (price as of 2026-10-05) |
| Sept. 4, 2025 | NKTR | S 10b5-1 | 1,134 | $35.80 | $40,597 | 62,674 Direct | -1.78% | Disposed | 17.9% (price as of 2026-10-05) |
| Sept. 4, 2025 | NKTR | S 10b5-1 | 613 | $34.40 | $21,087 | 63,808 Direct | -0.95% | Disposed | 22.7% (price as of 2026-10-05) |
| Sept. 4, 2025 | NKTR | S 10b5-1 | 1,496 | $33.54 | $50,176 | 64,421 Direct | -2.27% | Disposed | 25.9% (price as of 2026-10-05) |
| Sept. 4, 2025 | NKTR | S 10b5-1 | 1,923 | $32.37 | $62,248 | 65,917 Direct | -2.83% | Disposed | 30.4% (price as of 2026-10-05) |
| Sept. 2, 2025 | NKTR | S 10b5-1 | 1,500 | $30.16 | $45,240 | 67,840 Direct | -2.16% | Disposed | 40.0% (price as of 2026-10-05) |
| Aug. 19, 2025 | NKTR | A | 86,666 | · | · | 86,666 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 19, 2025 | NKTR | S | 1,573 | $26.59 | $41,826 | 69,340 Direct | -2.22% | Disposed | 58.8% (price as of 2026-10-05) |
| May 19, 2025 | NKTR | S | 23,208 | $0.67 | $15,549 | 1,063,693 Direct | -2.14% | Disposed | 320.1% (price as of 2026-10-05) |
| Feb. 19, 2025 | NKTR | S | 23,774 | $1.01 | $24,012 | 1,086,901 Direct | -2.14% | Disposed | 178.7% (price as of 2026-10-05) |
| Dec. 18, 2024 | NKTR | S | 85,035 | $0.99 | $84,185 | 1,110,675 Direct | -7.11% | Disposed | 184.3% (price as of 2026-10-05) |
| Dec. 17, 2024 | NKTR | S | 46,995 | $1.01 | $47,465 | 1,195,710 Direct | -3.78% | Disposed | 178.7% (price as of 2026-10-05) |
| Dec. 13, 2024 | NKTR | A | 1,300,000 | · | · | 1,300,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 13, 2024 | NKTR | A | 821,250 | · | · | 821,250 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 13, 2024 | NKTR | A | 410,625 | · | · | 1,242,705 Direct | +49.35% | Acquired | (price as of 2026-10-05) |
| Nov. 19, 2024 | NKTR | S | 16,278 | $1.01 | $16,441 | 832,080 Direct | -1.92% | Disposed | 178.7% (price as of 2026-10-05) |
| Aug. 19, 2024 | NKTR | S | 14,881 | $1.28 | $19,048 | 848,358 Direct | -1.72% | Disposed | 119.9% (price as of 2026-10-05) |
| May 17, 2024 | NKTR | S | 16,650 | $1.75 | $29,138 | 863,239 Direct | -1.89% | Disposed | 60.8% (price as of 2026-10-05) |
| Feb. 20, 2024 | NKTR | S | 20,033 | $0.68 | $13,622 | 879,889 Direct | -2.23% | Disposed | 313.9% (price as of 2026-10-05) |
| Dec. 13, 2023 | NKTR | A | 1,300,000 | · | · | 1,300,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 17, 2023 | NKTR | S | 19,877 | $0.49 | $9,740 | 899,922 Direct | -2.16% | Disposed | 474.4% (price as of 2026-10-05) |
| Aug. 16, 2023 | NKTR | S | 19,998 | $0.78 | $15,598 | 919,799 Direct | -2.13% | Disposed | 260.9% (price as of 2026-10-05) |
| May 16, 2023 | NKTR | S | 20,361 | $0.72 | $14,660 | 939,797 Direct | -2.12% | Disposed | 290.9% (price as of 2026-10-05) |
| Feb. 16, 2023 | NKTR | S | 19,635 | $3.00 | $58,905 | 960,158 Direct | -2.00% | Disposed | -6.2% (price as of 2026-10-05) |
| Nov. 16, 2022 | NKTR | S | 38,014 | $3.57 | $135,710 | 979,793 Direct | -3.73% | Disposed | -21.2% (price as of 2026-10-05) |
| Aug. 16, 2022 | NKTR | S | 13,759 | $4.76 | $65,493 | 1,017,807 Direct | -1.33% | Disposed | -40.9% (price as of 2026-10-05) |
| Aug. 15, 2022 | NKTR | A | 821,250 | · | · | 821,250 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2022 | NKTR | A | 410,625 | · | · | 1,031,566 Direct | +66.13% | Acquired | (price as of 2026-10-05) |
| May 16, 2022 | NKTR | S | 36,529 | $3.95 | $144,290 | 620,941 Direct | -5.56% | Disposed | -28.7% (price as of 2026-10-05) |
| May 15, 2022 | NKTR | A | 68,450 | · | · | 657,470 Direct | +11.62% | Acquired | (price as of 2026-10-05) |
| Feb. 16, 2022 | NKTR | S | 12,480 | $10.95 | $136,656 | 589,020 Direct | -2.07% | Disposed | -74.3% (price as of 2026-10-05) |
| Dec. 16, 2021 | NKTR | A | 223,750 | · | · | 223,750 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 16, 2021 | NKTR | A | 126,050 | · | · | 601,500 Direct | +26.51% | Acquired | (price as of 2026-10-05) |
| Nov. 16, 2021 | NKTR | S | 42,773 | $13.16 | $562,893 | 475,450 Direct | -8.25% | Disposed | -78.6% (price as of 2026-10-05) |
| Nov. 15, 2021 | NKTR | A | 94,100 | · | · | 518,223 Direct | +22.19% | Acquired | (price as of 2026-10-05) |
| Oct. 12, 2021 | NKTR | A | 167,650 | · | · | 167,650 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 16, 2021 | NKTR | S | 11,515 | $13.83 | $159,252 | 424,123 Direct | -2.64% | Disposed | -79.6% (price as of 2026-10-05) |
| May 17, 2021 | NKTR | S | 11,560 | $18.30 | $211,548 | 435,638 Direct | -2.58% | Disposed | -84.6% (price as of 2026-10-05) |
| Feb. 16, 2021 | NKTR | S | 11,495 | $22.37 | $257,143 | 447,198 Direct | -2.51% | Disposed | -87.4% (price as of 2026-10-05) |
| Feb. 4, 2021 | NKTR | M | 150,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 4, 2021 | NKTR | S 10b5-1 | 58,137 | $20.58 | $1,196,459 | 458,693 Direct | -11.25% | Disposed | -86.3% (price as of 2026-10-05) |
| Feb. 4, 2021 | NKTR | S 10b5-1 | 91,863 | $20.10 | $1,846,446 | 516,830 Direct | -15.09% | Disposed | -86.0% (price as of 2026-10-05) |
| Feb. 4, 2021 | NKTR | M | 150,000 | $8.80 | $1,320,000 | 608,693 Direct | +32.70% | Acquired | -68.0% (price as of 2026-10-05) |
| Feb. 3, 2021 | NKTR | M | 75,000 | · | · | 150,000 Direct | -33.33% | Disposed | (price as of 2026-10-05) |
| Feb. 3, 2021 | NKTR | M | 75,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 3, 2021 | NKTR | S 10b5-1 | 150,000 | $19.72 | $2,958,000 | 458,693 Direct | -24.64% | Disposed | -85.7% (price as of 2026-10-05) |
| Feb. 3, 2021 | NKTR | M | 75,000 | $8.80 | $660,000 | 608,693 Direct | +14.05% | Acquired | -68.0% (price as of 2026-10-05) |
| Feb. 3, 2021 | NKTR | M | 75,000 | $8.80 | $660,000 | 533,693 Direct | +16.35% | Acquired | -68.0% (price as of 2026-10-05) |
| Feb. 2, 2021 | NKTR | M | 150,000 | · | · | 75,000 Direct | -66.67% | Disposed | (price as of 2026-10-05) |
| Feb. 2, 2021 | NKTR | S 10b5-1 | 600 | $21.59 | $12,954 | 458,693 Direct | -0.13% | Disposed | -87.0% (price as of 2026-10-05) |
| Feb. 2, 2021 | NKTR | S 10b5-1 | 9,900 | $20.84 | $206,316 | 459,293 Direct | -2.11% | Disposed | -86.5% (price as of 2026-10-05) |
| Feb. 2, 2021 | NKTR | S 10b5-1 | 139,500 | $19.69 | $2,746,755 | 469,193 Direct | -22.92% | Disposed | -85.7% (price as of 2026-10-05) |
| Feb. 2, 2021 | NKTR | M | 150,000 | $8.80 | $1,320,000 | 608,693 Direct | +32.70% | Acquired | -68.0% (price as of 2026-10-05) |
| Dec. 18, 2020 | NKTR | A | 190,650 | · | · | 190,650 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 18, 2020 | NKTR | A | 106,650 | · | · | 458,693 Direct | +30.29% | Acquired | (price as of 2026-10-05) |
| Nov. 16, 2020 | NKTR | S | 11,975 | $16.93 | $202,737 | 352,043 Direct | -3.29% | Disposed | -83.4% (price as of 2026-10-05) |
| Aug. 17, 2020 | NKTR | S | 11,885 | $19.67 | $233,778 | 364,018 Direct | -3.16% | Disposed | -85.7% (price as of 2026-10-05) |
| May 18, 2020 | NKTR | S | 8,968 | $22.51 | $201,870 | 375,903 Direct | -2.33% | Disposed | -87.5% (price as of 2026-10-05) |
| Feb. 18, 2020 | NKTR | S | 8,448 | $22.35 | $188,813 | 384,871 Direct | -2.15% | Disposed | -87.4% (price as of 2026-10-05) |
| Dec. 12, 2019 | NKTR | A | 44,600 | · | · | 44,600 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 12, 2019 | NKTR | A | 167,650 | · | · | 167,650 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 12, 2019 | NKTR | A | 94,100 | · | · | 393,319 Direct | +31.45% | Acquired | (price as of 2026-10-05) |
| Nov. 18, 2019 | NKTR | S | 13,556 | $17.97 | $243,601 | 299,219 Direct | -4.33% | Disposed | -84.3% (price as of 2026-10-05) |
| Oct. 17, 2019 | NKTR | M | 33,333 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Oct. 17, 2019 | NKTR | S 10b5-1 | 33,333 | $17.68 | $589,327 | 312,775 Direct | -9.63% | Disposed | -84.1% (price as of 2026-10-05) |
| Oct. 17, 2019 | NKTR | M | 33,333 | $7.21 | $240,331 | 346,108 Direct | +10.66% | Acquired | -61.0% (price as of 2026-10-05) |
| Oct. 16, 2019 | NKTR | M | 33,334 | · | · | 33,333 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| Oct. 16, 2019 | NKTR | S 10b5-1 | 33,334 | $17.48 | $582,678 | 312,775 Direct | -9.63% | Disposed | -83.9% (price as of 2026-10-05) |
| Oct. 16, 2019 | NKTR | M | 33,334 | $7.21 | $240,338 | 346,109 Direct | +10.66% | Acquired | -61.0% (price as of 2026-10-05) |
| Oct. 15, 2019 | NKTR | M | 33,333 | · | · | 66,667 Direct | -33.33% | Disposed | (price as of 2026-10-05) |
| Oct. 15, 2019 | NKTR | S 10b5-1 | 24,500 | $17.17 | $420,665 | 312,775 Direct | -7.26% | Disposed | -83.6% (price as of 2026-10-05) |
| Oct. 15, 2019 | NKTR | S 10b5-1 | 8,833 | $16.35 | $144,420 | 337,275 Direct | -2.55% | Disposed | -82.8% (price as of 2026-10-05) |
| Oct. 15, 2019 | NKTR | M | 33,333 | $7.21 | $240,331 | 346,108 Direct | +10.66% | Acquired | -61.0% (price as of 2026-10-05) |
| Aug. 23, 2019 | NKTR | M | 30,000 | · | · | 195,000 Direct | -13.33% | Disposed | (price as of 2026-10-05) |
| Aug. 23, 2019 | NKTR | M | 30,000 | $16.31 | $489,300 | 312,775 Direct | +10.61% | Acquired | -82.7% (price as of 2026-10-05) |
| Aug. 16, 2019 | NKTR | S | 12,551 | $18.15 | $227,801 | 282,775 Direct | -4.25% | Disposed | -84.5% (price as of 2026-10-05) |
| July 25, 2019 | NKTR | M | 33,333 | · | · | 100,000 Direct | -25.00% | Disposed | (price as of 2026-10-05) |
| July 25, 2019 | NKTR | S 10b5-1 | 33,333 | $29.65 | $988,323 | 295,326 Direct | -10.14% | Disposed | -90.5% (price as of 2026-10-05) |
| July 25, 2019 | NKTR | M | 33,333 | $7.21 | $240,331 | 328,659 Direct | +11.29% | Acquired | -61.0% (price as of 2026-10-05) |
| July 24, 2019 | NKTR | M | 33,334 | · | · | 132,333 Direct | -20.12% | Disposed | (price as of 2026-10-05) |
| July 23, 2019 | NKTR | M | 33,333 | · | · | 166,667 Direct | -16.67% | Disposed | (price as of 2026-10-05) |
Showing latest 100 of 274 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| July 24, 2026 | NKTR | Stock Option [F1] | Common Stock | $15.15 | Dec. 12, 2032 | 57,200 | Acquired |
| Dec. 22, 2025 | NKTR | Stock Option | Common Stock | $43.48 | Dec. 21, 2033 | 86,667 | Acquired |
| Nov. 21, 2025 | NKTR | Stock Option [F5] | Common Stock | $281.25 | Dec. 17, 2028 | 12,170 | Acquired |
| Aug. 19, 2025 | NKTR | Stock Option [F4] | Common Stock | $0.50 | Dec. 12, 2031 | 86,666 | Acquired |
| Dec. 13, 2024 | NKTR | Stock Option | Common Stock | $1.01 | Dec. 12, 2032 | 1,300,000 | Acquired |
| Dec. 13, 2024 | NKTR | Stock Option [F3] | Common Stock | $4.91 | Aug. 14, 2030 | 821,250 | Acquired |
| Dec. 13, 2023 | NKTR | Stock Option | Common Stock | $0.50 | Dec. 12, 2031 | 1,300,000 | Acquired |
| Aug. 15, 2022 | NKTR | Common Stock [F4] | Common Stock | $4.91 | Aug. 14, 2030 | 821,250 | Acquired |
| Dec. 16, 2021 | NKTR | Stock Option | Common Stock | $13.22 | Dec. 15, 2029 | 223,750 | Acquired |
| Oct. 12, 2021 | NKTR | Stock Option [F1] | Common Stock | $21.79 | Dec. 11, 2027 | 167,650 | Acquired |
| Feb. 4, 2021 | NKTR | Stock Option [F1] | Common Stock | $8.80 | Feb. 5, 2021 | 150,000 | Disposed |
| Feb. 3, 2021 | NKTR | Stock Option [F1] | Common Stock | $8.80 | Feb. 5, 2021 | 75,000 | Disposed |
| Feb. 3, 2021 | NKTR | Stock Option [F1] | Common Stock | $8.80 | Feb. 5, 2021 | 75,000 | Disposed |
| Feb. 2, 2021 | NKTR | Stock Option [F1] | Common Stock | $8.80 | Feb. 5, 2021 | 150,000 | Disposed |
| Dec. 18, 2020 | NKTR | Stock Option | Common Stock | $18.75 | Dec. 17, 2028 | 190,650 | Acquired |
| Dec. 12, 2019 | NKTR | Stock Option | Common Stock | $21.79 | Dec. 11, 2027 | 44,600 | Acquired |
| Dec. 12, 2019 | NKTR | Stock Option | Common Stock | $21.79 | Dec. 11, 2027 | 167,650 | Acquired |
| Oct. 17, 2019 | NKTR | Stock Option [F1] | Common Stock | $7.21 | Feb. 7, 2020 | 33,333 | Disposed |
| Oct. 16, 2019 | NKTR | Stock Option [F1] | Common Stock | $7.21 | Feb. 7, 2020 | 33,334 | Disposed |
| Oct. 15, 2019 | NKTR | Stock Option [F1] | Common Stock | $7.21 | Feb. 7, 2020 | 33,333 | Disposed |
| Aug. 23, 2019 | NKTR | Common Stock | Common Stock | $16.31 | Dec. 8, 2022 | 30,000 | Disposed |
| July 25, 2019 | NKTR | Common Stock [F1] | Common Stock | $7.21 | Feb. 7, 2020 | 33,333 | Disposed |
| July 24, 2019 | NKTR | Common Stock [F1] | Common Stock | $7.21 | Feb. 7, 2020 | 33,334 | Disposed |
| July 23, 2019 | NKTR | Common Stock [F1] | Common Stock | $7.21 | Feb. 7, 2020 | 33,333 | Disposed |
| May 23, 2019 | NKTR | Common Stock [F1] | Common Stock | $7.21 | Feb. 7, 2020 | 33,333 | Disposed |
| May 22, 2019 | NKTR | Common Stock [F1] | Common Stock | $7.21 | Feb. 7, 2020 | 33,334 | Disposed |
| May 21, 2019 | NKTR | Common Stock [F1] | Common Stock | $7.21 | Feb. 7, 2020 | 33,333 | Disposed |
| Feb. 21, 2019 | NKTR | Common Stock [F1] | Common Stock | $7.21 | Feb. 7, 2020 | 33,333 | Disposed |
| Feb. 20, 2019 | NKTR | Common Stock [F1] | Common Stock | $7.21 | Feb. 7, 2020 | 33,334 | Disposed |
| Feb. 19, 2019 | NKTR | Common Stock [F1] | Common Stock | $7.21 | Feb. 7, 2020 | 33,333 | Disposed |
| Dec. 14, 2018 | NKTR | Stock Option | Common Stock | $36.51 | Dec. 13, 2026 | 138,350 | Acquired |
| Aug. 15, 2018 | NKTR | Stock Option [F6] | Common Stock | $56.90 | Dec. 14, 2025 | 151,250 | Acquired |
| Aug. 14, 2018 | NKTR | Stock Option [F1] | Common Stock | $10.69 | Feb. 7, 2019 | 40,000 | Disposed |
| June 27, 2018 | NKTR | Stock Option [F1] | Common Stock | $10.69 | Feb. 7, 2019 | 43,333 | Disposed |
| June 26, 2018 | NKTR | Stock Option [F1] | Common Stock | $10.69 | Feb. 7, 2019 | 43,333 | Disposed |
| June 25, 2018 | NKTR | Stock Option [F1] | Common Stock | $10.69 | Feb. 7, 2019 | 43,334 | Disposed |
| May 3, 2018 | NKTR | Stock Option [F1] | Common Stock | $10.69 | Feb. 7, 2019 | 43,333 | Disposed |
| May 2, 2018 | NKTR | Stock Option [F1] | Common Stock | $10.69 | Feb. 7, 2019 | 43,333 | Disposed |
| May 1, 2018 | NKTR | Stock Option [F1] | Common Stock | $10.69 | Feb. 7, 2019 | 43,334 | Disposed |
| Jan. 22, 2018 | NKTR | Stock Option [F1] | Common Stock | $11.34 | Jan. 31, 2018 | 83,333 | Disposed |
| Dec. 15, 2017 | NKTR | Stock Option | Common Stock | $56.90 | Dec. 14, 2025 | 151,250 | Acquired |
| Dec. 13, 2017 | NKTR | Stock Option [F1] | Common Stock | $11.34 | Jan. 31, 2018 | 83,333 | Disposed |
| Nov. 15, 2017 | NKTR | Stock Option [F5] | Common Stock | $14.41 | Dec. 12, 2024 | 137,500 | Acquired |
| Nov. 1, 2017 | NKTR | Stock Option [F1] | Common Stock | $11.34 | Jan. 31, 2018 | 83,334 | Disposed |
| Oct. 9, 2017 | NKTR | Stock Option [F1] | Common Stock | $11.34 | Jan. 31, 2018 | 83,333 | Disposed |
| Sept. 6, 2017 | NKTR | Stock Option [F1] | Common Stock | $11.34 | Jan. 31, 2018 | 83,333 | Disposed |
| Aug. 16, 2017 | NKTR | Stock Option [F3] | Common Stock | $11.34 | Jan. 31, 2018 | 83,334 | Disposed |
| Feb. 8, 2017 | NKTR | Stock Option [F1] | Common Stock | $4.65 | Feb. 22, 2017 | 87,500 | Disposed |
| Jan. 17, 2017 | NKTR | Stock Option [F1] | Common Stock | $4.65 | Feb. 22, 2017 | 87,500 | Disposed |
| Dec. 13, 2016 | NKTR | Stock Option | Common Stock | $12.24 | Dec. 12, 2024 | 137,500 | Acquired |
| Dec. 7, 2016 | NKTR | Stock Option [F1] | Common Stock | $4.65 | Feb. 22, 2017 | 87,500 | Disposed |
| Nov. 17, 2016 | NKTR | Stock Option [F2] | Common Stock | $4.65 | Feb. 22, 2017 | 87,500 | Disposed |
| Oct. 4, 2016 | NKTR | Stock Option [F1] | Common Stock | $4.65 | Feb. 22, 2017 | 87,500 | Disposed |
| Sept. 1, 2016 | NKTR | Stock Option [F1] | Common Stock | $4.65 | Feb. 22, 2017 | 87,500 | Disposed |
| July 14, 2016 | NKTR | Stock Option [F6] | Common Stock | $15.55 | Dec. 14, 2023 | 56,250 | Acquired |
| July 14, 2016 | NKTR | Stock Option [F3] | Common Stock | $16.31 | Dec. 8, 2022 | 225,000 | Acquired |
| May 16, 2016 | NKTR | Restricted Stock Unit | Common Stock | $0.00 | May 16, 2016 | 5,625 | Disposed |
| Feb. 16, 2016 | NKTR | Restricted Stock Unit | Common Stock | $0.00 | Feb. 16, 2016 | 5,625 | Disposed |
| Feb. 10, 2016 | NKTR | Stock Option [F1] | Common Stock | $6.46 | Feb. 24, 2016 | 66,666 | Disposed |
| Jan. 19, 2016 | NKTR | Stock Option [F1] | Common Stock | $6.46 | Feb. 24, 2016 | 66,667 | Disposed |
| Dec. 15, 2015 | NKTR | Stock Option | Common Stock | $15.55 | Dec. 14, 2023 | 56,250 | Acquired |
| Dec. 15, 2015 | NKTR | Restricted Stock Unit | Common Stock | · | Dec. 14, 2023 | 67,500 | Acquired |
| Dec. 15, 2015 | NKTR | Stock Option | Common Stock | $15.55 | Dec. 14, 2023 | 67,500 | Acquired |
| Dec. 15, 2015 | NKTR | Restricted Stock Unit | Common Stock | · | Dec. 14, 2023 | 56,250 | Acquired |
| Dec. 3, 2015 | NKTR | Stock Option [F1] | Common Stock | $6.46 | Feb. 24, 2016 | 66,667 | Disposed |
| Dec. 3, 2015 | NKTR | Stock Option [F1] | Common Stock | $6.98 | Dec. 20, 2015 | 58,334 | Disposed |
| Nov. 11, 2015 | NKTR | Stock Option [F1] | Common Stock | $6.46 | Feb. 24, 2016 | 66,667 | Disposed |
| Nov. 11, 2015 | NKTR | Stock Option [F1] | Common Stock | $6.98 | Dec. 20, 2015 | 58,333 | Disposed |
| Oct. 6, 2015 | NKTR | Stock Option [F1] | Common Stock | $6.46 | Feb. 24, 2016 | 66,667 | Disposed |
| Oct. 6, 2015 | NKTR | Stock Option [F1] | Common Stock | $6.98 | Dec. 20, 2015 | 58,333 | Disposed |
| Sept. 23, 2015 | NKTR | Stock Option [F1] | Common Stock | $6.46 | Feb. 24, 2016 | 66,666 | Disposed |
| Sept. 23, 2015 | NKTR | Stock Option [F1] | Common Stock | $6.98 | Dec. 20, 2015 | 58,333 | Disposed |
| Aug. 13, 2015 | NKTR | Stock Option [F1] | Common Stock | $6.98 | Dec. 20, 2015 | 58,333 | Disposed |
| July 14, 2015 | NKTR | Stock Option [F1] | Common Stock | $6.98 | Dec. 20, 2015 | 58,334 | Disposed |
| Dec. 9, 2014 | NKTR | Stock Option | Common Stock | $16.31 | Dec. 8, 2022 | 225,000 | Acquired |
| Dec. 9, 2014 | NKTR | Stock Option | Common Stock | $16.31 | Dec. 8, 2022 | 225,000 | Acquired |
| Dec. 1, 2014 | NKTR | Stock Option [F1] | Common Stock | $6.98 | Dec. 20, 2015 | 209,056 | Disposed |
| Nov. 28, 2014 | NKTR | Stock Option [F1] | Common Stock | $6.98 | Dec. 20, 2015 | 140,944 | Disposed |
| Nov. 25, 2014 | NKTR | Stock Option [F1] | Common Stock | $14.52 | Jan. 15, 2015 | 467,200 | Disposed |
| Nov. 24, 2014 | NKTR | Stock Option [F1] | Common Stock | $14.52 | Jan. 15, 2015 | 132,800 | Disposed |
| Feb. 5, 2014 | NKTR | Stock Option | Common Stock | $12.43 | Feb. 4, 2022 | 225,000 | Acquired |
| Feb. 5, 2014 | NKTR | Stock Option | Common Stock | $12.43 | Feb. 4, 2022 | 225,000 | Acquired |
| Feb. 6, 2013 | NKTR | Stock Option | Common Stock | $8.80 | Feb. 5, 2021 | 225,000 | Acquired |
| Feb. 6, 2013 | NKTR | Stock Option | Common Stock | $8.80 | Feb. 5, 2021 | 225,000 | Acquired |
| Feb. 8, 2012 | NKTR | Stock Option | Common Stock | $7.21 | Feb. 7, 2020 | 200,000 | Acquired |
| Feb. 8, 2012 | NKTR | Stock Option | Common Stock | $7.21 | Feb. 7, 2020 | 200,000 | Acquired |
| Feb. 8, 2011 | NKTR | Stock Option | Common Stock | $10.69 | Feb. 8, 2019 | 300,000 | Acquired |
| Feb. 1, 2010 | NKTR | Stock Option | Common Stock | $11.34 | Feb. 1, 2018 | 500,000 | Acquired |
| Feb. 23, 2009 | NKTR | Employee Stock Option [F1] | Common Stock | $4.65 | Feb. 23, 2017 | 525,000 | Acquired |
| Feb. 25, 2008 | NKTR | Employee Stock Option | Common Stock | $6.46 | Feb. 25, 2016 | 400,000 | Acquired |
| Dec. 21, 2007 | NKTR | Employee Stock Option | Common Stock | $6.98 | Dec. 21, 2015 | 700,000 | Acquired |
| Jan. 15, 2007 | NKTR | Stock Option (Right to Buy) | Common Stock | $14.52 | Jan. 15, 2015 | 600,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Jan. 16, 2007 | NKTR | Stock Option (Right to Buy) | 600,000 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $1,106,282 | · | $942,081 | $2,986,535 | $1,106,282 | · | $115,774 | $6,256,954 |
| 2022 | $1,084,590 | · | $4,032,225 | $5,409,410 | $650,754 | · | $98,821 | $11,275,830 |
| 2021 | $1,053,000 | · | · | · | $1,000,350 | · | $81,980 | · |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.