Stephen K Doberstein Insider Trading $NKTR NEKTAR THERAPEUTICS
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General | Insider Transactions | Monthly Overview
Get the latest insider transactions of Stephen K Doberstein. Stephen K Doberstein is Chief Scientific Officer in NEKTAR THERAPEUTICS ($NKTR) and SVP & Chief Scientific Officer in NEKTAR THERAPEUTICS ($NKTR) and Director in Dicerna Pharmaceuticals Inc ($DRNA).
Stephen K Doberstein in NEKTAR THERAPEUTICS
Industry: PHARMACEUTICAL PREPARATIONS [2834]
Position of Stephen K Doberstein: SVP & Chief Scientific Officer, Chief Scientific Officer
Holdings: 107,668 shares
Current Value: $1,417,988
Latest Transaction: Sep 09 2019
$NKTR Market Capitalization: $2.01B
$NKTR Previous Close: $13.17
Last 4 weeks trend: HOLD
Last 3 months trend: HOLD
Latest Insider Trading Transactions of Stephen K Doberstein in NEKTAR THERAPEUTICS
| 1 Week | 2 Weeks | 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | |
|---|---|---|---|---|---|---|---|
| No. of Purchases | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Value of Purchases ($) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| No. of Sales | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Value of Sales ($) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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| Date | Ticker | Company | Owner | Relationship | Transaction | Code | Cost ($) | Shares | Transaction Value ($) | Total Shares | % Holdings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 09 2019 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Buy | P | 17.28 | 15,000 | 259,200 | 107,668 | 92.7 K to 107.7 K (+16.19 %) |
| Aug 19 2019 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | S | 18.15 | 3,245 | 58,897 | 92,668 | 95.9 K to 92.7 K (-3.38 %) |
| May 17 2019 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | S | 31.37 | 3,461 | 108,572 | 95,913 | 99.4 K to 95.9 K (-3.48 %) |
| Feb 21 2019 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | S | 42.39 | 3,310 | 140,311 | 99,374 | 102.7 K to 99.4 K (-3.22 %) |
| Dec 18 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | A | 36.51 | 48,400 | 1,767,084 | 48,400 | |
| Dec 18 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Grant | A | 0.00 | 23,950 | 0 | 102,684 | 78.7 K to 102.7 K (+30.42 %) |
| Nov 19 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | S | 38.25 | 4,524 | 173,043 | 78,734 | 83.3 K to 78.7 K (-5.43 %) |
| Aug 16 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | A | 56.90 | 65,000 | 3,698,500 | 65,000 | |
| Aug 16 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | A | 56.90 | 65,000 | 3,698,500 | 65,000 | |
| Aug 16 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | D | 58.40 | 6,701 | 391,338 | 83,258 | 90 K to 83.3 K (-7.45 %) |
| Aug 16 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | D | 58.40 | 6,701 | 391,338 | 83,258 | 90 K to 83.3 K (-7.45 %) |
| Aug 16 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Grant | A | 0.00 | 26,000 | 0 | 89,959 | 64 K to 90 K (+40.65 %) |
| Aug 16 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Grant | A | 0.00 | 26,000 | 0 | 89,959 | 64 K to 90 K (+40.65 %) |
| May 18 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | S | 83.39 | 3,435 | 286,445 | 63,959 | 67.4 K to 64 K (-5.10 %) |
| Apr 09 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | M | 7.21 | 49,500 | 356,895 | 0 | |
| Apr 09 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | M | 7.21 | 49,500 | 356,895 | 0 | |
| Apr 09 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | M | 7.21 | 500 | 3,605 | 49,500 | |
| Apr 09 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | M | 7.21 | 500 | 3,605 | 49,500 | |
| Apr 09 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | M | 7.21 | 50,000 | 360,500 | 0 | |
| Apr 09 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | M | 7.21 | 50,000 | 360,500 | 0 | |
| Apr 09 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | M | 10.69 | 60,000 | 641,400 | 0 | |
| Apr 09 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | M | 10.69 | 60,000 | 641,400 | 0 | |
| Apr 09 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | S | 96.13 | 49,500 | 4,758,435 | 67,394 | 116.9 K to 67.4 K (-42.35 %) |
| Apr 09 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | S | 96.13 | 49,500 | 4,758,435 | 67,394 | 116.9 K to 67.4 K (-42.35 %) |
| Apr 09 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Buy | M | 7.21 | 49,500 | 356,895 | 116,894 | 67.4 K to 116.9 K (+73.45 %) |
| Apr 09 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Buy | M | 7.21 | 49,500 | 356,895 | 116,894 | 67.4 K to 116.9 K (+73.45 %) |
| Apr 09 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | S | 91.69 | 110,500 | 10,131,745 | 67,394 | 177.9 K to 67.4 K (-62.12 %) |
| Apr 09 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | S | 91.69 | 110,500 | 10,131,745 | 67,394 | 177.9 K to 67.4 K (-62.12 %) |
| Apr 09 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Buy | M | 7.21 | 500 | 3,605 | 177,894 | 177.4 K to 177.9 K (+0.28 %) |
| Apr 09 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Buy | M | 7.21 | 500 | 3,605 | 177,894 | 177.4 K to 177.9 K (+0.28 %) |
| Apr 09 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Buy | M | 7.21 | 50,000 | 360,500 | 177,394 | 127.4 K to 177.4 K (+39.25 %) |
| Apr 09 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Buy | M | 7.21 | 50,000 | 360,500 | 177,394 | 127.4 K to 177.4 K (+39.25 %) |
| Apr 09 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Buy | M | 10.69 | 60,000 | 641,400 | 127,394 | 67.4 K to 127.4 K (+89.03 %) |
| Apr 09 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Buy | M | 10.69 | 60,000 | 641,400 | 127,394 | 67.4 K to 127.4 K (+89.03 %) |
| Feb 20 2018 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | S | 82.94 | 2,426 | 201,212 | 67,394 | 69.8 K to 67.4 K (-3.47 %) |
| Dec 19 2017 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | A | 56.90 | 65,000 | 3,698,500 | 65,000 | |
| Dec 19 2017 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Grant | A | 0.00 | 26,000 | 0 | 69,820 | 43.8 K to 69.8 K (+59.33 %) |
| Nov 17 2017 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | A | 14.41 | 43,750 | 630,438 | 43,750 | |
| Nov 17 2017 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | D | 44.23 | 4,782 | 211,508 | 43,820 | 48.6 K to 43.8 K (-9.84 %) |
| Nov 17 2017 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Grant | A | 0.00 | 17,500 | 0 | 48,602 | 31.1 K to 48.6 K (+56.27 %) |
| Nov 08 2017 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | M | 9.53 | 300,000 | 2,859,000 | 0 | |
| Nov 08 2017 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | M | 9.53 | 75,409 | 718,648 | 300,000 | |
| Nov 08 2017 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | M | 9.53 | 20,914 | 199,310 | 375,409 | |
| Nov 08 2017 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | S | 30.09 | 300,000 | 9,027,000 | 31,102 | 331.1 K to 31.1 K (-90.61 %) |
| Nov 08 2017 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Buy | M | 9.53 | 300,000 | 2,859,000 | 331,102 | 31.1 K to 331.1 K (+964.57 %) |
| Nov 08 2017 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | S | 25.78 | 75,409 | 1,944,044 | 31,102 | 106.5 K to 31.1 K (-70.80 %) |
| Nov 08 2017 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Buy | M | 9.53 | 75,409 | 718,648 | 106,511 | 31.1 K to 106.5 K (+242.46 %) |
| Nov 08 2017 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | S | 24.98 | 20,914 | 522,432 | 31,102 | 52 K to 31.1 K (-40.21 %) |
| Nov 08 2017 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Buy | M | 9.53 | 20,914 | 199,310 | 52,016 | 31.1 K to 52 K (+67.24 %) |
| Oct 10 2017 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | M | 9.53 | 43,677 | 416,242 | 396,323 | |
| Oct 10 2017 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | S | 24.97 | 43,677 | 1,090,615 | 31,102 | 74.8 K to 31.1 K (-58.41 %) |
| Oct 10 2017 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Buy | M | 9.53 | 43,677 | 416,242 | 74,779 | 31.1 K to 74.8 K (+140.43 %) |
| Aug 18 2017 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | S | 19.32 | 1,701 | 32,863 | 31,102 | 32.8 K to 31.1 K (-5.19 %) |
| May 18 2017 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | S | 19.55 | 1,701 | 33,255 | 32,803 | 34.5 K to 32.8 K (-4.93 %) |
| Apr 07 2017 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | M | 9.53 | 100,000 | 953,000 | 440,000 | |
| Apr 07 2017 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | S | 21.70 | 100,000 | 2,170,000 | 34,504 | 134.5 K to 34.5 K (-74.35 %) |
| Apr 07 2017 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Buy | M | 9.53 | 100,000 | 953,000 | 134,504 | 34.5 K to 134.5 K (+289.82 %) |
| Feb 17 2017 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | S | 13.14 | 1,261 | 16,570 | 34,504 | 35.8 K to 34.5 K (-3.53 %) |
| Dec 15 2016 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | A | 12.24 | 43,750 | 535,500 | 43,750 | |
| Dec 15 2016 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Grant | A | 0.00 | 17,500 | 0 | 35,765 | 18.3 K to 35.8 K (+95.81 %) |
| Nov 18 2016 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | S | 13.96 | 670 | 9,353 | 18,265 | 18.9 K to 18.3 K (-3.54 %) |
| Aug 17 2016 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | S | 17.56 | 1,336 | 23,460 | 18,935 | 20.3 K to 18.9 K (-6.59 %) |
| Jul 18 2016 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | A | 15.55 | 8,750 | 136,063 | 8,750 | |
| Jul 18 2016 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | A | 16.31 | 50,000 | 815,500 | 50,000 | |
| Jul 18 2016 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Grant | A | 0.00 | 10,500 | 0 | 11,521 | 1 K to 11.5 K (+1,028.40 %) |
| May 18 2016 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | D | 0.00 | 875 | 0 | 8,750 | |
| May 18 2016 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | S | 13.58 | 339 | 4,604 | 1,021 | 1.4 K to 1 K (-24.93 %) |
| May 18 2016 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Buy | M | 0.00 | 875 | 0 | 1,360 | 485 to 1.4 K (+180.41 %) |
| Feb 18 2016 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | D | 0.00 | 875 | 0 | 9,625 | |
| Feb 18 2016 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Sell | S | 11.92 | 390 | 4,649 | 485 | 875 to 485 (-44.57 %) |
| Feb 18 2016 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Buy | M | 0.00 | 875 | 0 | 875 | 0 to 875 |
| Dec 17 2015 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | A | 15.55 | 10,500 | 163,275 | 10,500 | |
| Dec 17 2015 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | SVP & Chief Scienti ... | Option Exercise | A | 0.00 | 8,750 | 0 | 8,750 | |
| Feb 10 2011 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | Chief Scientific Of ... | Option Exercise | A | 10.69 | 60,000 | 641,400 | 60,000 | |
| Jan 06 2010 | NKTR | NEKTAR THERAPEUTIC ... | Doberstein Stephen K | Chief Scientific Of ... | Option Exercise | A | 9.53 | 540,000 | 5,146,200 | 540,000 |
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