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Nektar Therapeutics (NKTR) Insider Trading

Total insider buys:
  • $1,135,850.00
Total insider sells:
  • $233,671,924.81
Most recent insider trade:
  • Sept. 9, 2025
Most active insider trader:
  • Howard W Robin
Trader NameDateTitleAmountPriceTypeTotal Value
May 15, 2017Director5,000$19.79Sell$98,950.00
April 17, 2017Director5,000$18.72Sell$93,600.00
April 7, 2017Director7,000$20.05Sell$140,350.00
April 5, 2017SVP180,000$21.70Sell$3,906,000.00
April 5, 2017Director15,000$21.88Sell$328,200.00
March 20, 2017SVP112,500$19.69Sell$2,215,125.00
March 3, 2017CFO200,000$15.16Sell$3,032,000.00
Feb. 16, 2017COO3,237$13.14Sell$42,534.18
Feb. 16, 2017SVP1,457$13.14Sell$19,144.98
Feb. 16, 2017CEO8,636$13.14Sell$113,477.04
Feb. 16, 2017CFO2,359$13.14Sell$30,997.26
Feb. 8, 2017CEO87,500$13.04Sell$1,141,000.00
Feb. 3, 2017COO75,000$12.39Sell$929,250.00
Jan. 17, 2017CEO87,500$12.35Sell$1,080,625.00
Nov. 17, 2016CEO93,458$13.88Sell$1,297,197.04
Oct. 24, 2016Director15,000$13.50Buy$202,500.00
Oct. 4, 2016CEO87,500$17.06Sell$1,492,750.00
Sept. 16, 2016Director7,500$19.13Sell$143,475.00
Sept. 15, 2016Director12,000$19.21Sell$230,520.00
Sept. 1, 2016CEO87,500$17.83Sell$1,560,125.00
Aug. 16, 2016COO3,317$17.56Sell$58,246.52
Aug. 16, 2016CEO11,817$17.56Sell$207,506.52
Aug. 16, 2016CFO3,305$17.56Sell$58,035.80
Aug. 16, 2016SVP1,336$17.56Sell$23,460.16
Aug. 1, 2016Director5,000$17.26Sell$86,300.00
July 11, 2016CAO100,000$15.09Sell$1,509,000.00
July 1, 2016Director5,000$14.10Sell$70,500.00
May 17, 2016CFO856$13.58Sell$11,624.48
May 17, 2016SVP836$13.58Sell$11,352.88
May 17, 2016CEO2,170$13.58Sell$29,468.60
May 17, 2016CAO724$13.58Sell$9,831.92
April 25, 2016Director15,000$16.27Sell$244,050.00
Feb. 17, 2016CEO2,147$11.92Sell$25,592.24
Feb. 17, 2016CAO716$11.92Sell$8,534.72
Feb. 17, 2016SVP963$11.92Sell$11,478.96
Feb. 10, 2016SVP11,666$11.49Sell$134,042.34
Feb. 10, 2016CEO66,666$11.49Sell$765,992.34
Feb. 10, 2016CAO15,000$11.49Sell$172,350.00
Jan. 20, 2016Director15,000$14.51Sell$217,650.00
Jan. 19, 2016CAO15,000$14.12Sell$211,800.00
Jan. 19, 2016SVP11,667$14.12Sell$164,738.04
Jan. 19, 2016CEO66,667$14.12Sell$941,338.04
Dec. 4, 2015Director15,000$15.82Sell$237,300.00
Dec. 3, 2015CAO15,000$15.87Sell$238,050.00
Dec. 3, 2015SVP45,001$15.87Sell$714,165.87
Dec. 3, 2015CEO125,001$15.87Sell$1,983,765.87
Nov. 20, 2015Director85,000$15.02Sell$1,276,700.00
Nov. 11, 2015SVP45,000$13.52Sell$608,400.00
Nov. 11, 2015CAO15,000$13.52Sell$202,800.00
Nov. 11, 2015CEO125,000$13.52Sell$1,690,000.00
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  • Insiders are both buying and selling Nektar Therapeutics stock.

  • The insider traders at Nektar Therapeutics are: Howard W Robin, Gil M. Labrucherie, Jonathan Zalevsky, Jillian B. Thomsen, Robert Chess, John Nicholson, Howard W. Robin, Gil M Labrucherie, Stephen K Doberstein, Jillian B Thomsen, Mark Andrew Wilson, Lutz Lingnau, Ivan P Gergel, Maninder Hora, Jeffrey Robert Ajer, R Scott Greer, Dennis L Winger, Christopher A Kuebler, Myriam Curet, Susan Wang, Christopher A. Kuebler, Roy A Whitfield, Karin Eastham, Curet Myriam, Roy Whitfield, John Northcott, Deep Track Capital, Lp, Stephen K. Doberstein, and Katharina Otto-Bernstein

  • The most active insider trader at Nektar Therapeutics is Howard W Robin with 57 trades.

  • Howard W Robin has sold the most Nektar Therapeutics stock with a total value of $85,497,297.88.

  • Roy A Whitfield has bought the most Nektar Therapeutics stock with a total value of $1,256,500.00.

  • The most recent insider trade for Nektar Therapeutics was on Sept. 9, 2025.

  • The single biggest insider buy for Nektar Therapeutics was from Roy A Whitfield with a total value of $628,250.00 on Aug. 10, 2017.

  • The single biggest insider sell for Nektar Therapeutics was from John Nicholson with a total value of $21,853,694.88 on March 7, 2018.