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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
Feb. 6, 2020CAO37,500$22.78Sell$854,250.00
Nov. 18, 2019Insider3,960$17.97Sell$71,161.20
Nov. 18, 2019CEO13,556$17.97Sell$243,601.32
Nov. 18, 2019CFO8,863$17.97Sell$159,268.11
Nov. 18, 2019CAO2,713$17.97Sell$48,752.61
Nov. 13, 2019CFO25,000$19.79Sell$494,750.00
Oct. 16, 2019CEO33,334$17.48Sell$582,678.32
Oct. 15, 2019CFO25,000$15.83Sell$395,750.00
Oct. 14, 2019Major Shareholder29,127$36.72Sell$1,069,543.44
Sept. 30, 2019Director2,375$18.06Sell$42,892.50
Sept. 27, 2019Director4,000$17.99Sell$71,960.00
Sept. 20, 2019Director2,250$20.24Sell$45,540.00
Sept. 16, 2019CFO25,000$20.52Sell$513,000.00
Sept. 5, 2019SVP15,000$17.28Buy$259,200.00
Aug. 16, 2019COO3,819$18.15Sell$69,314.85
Aug. 16, 2019CFO5,063$18.15Sell$91,893.45
Aug. 16, 2019CEO12,551$18.15Sell$227,800.65
Aug. 16, 2019SVP1,809$18.15Sell$32,833.35
Aug. 14, 2019CFO25,000$17.79Sell$444,750.00
July 24, 2019CEO33,334$32.11Sell$1,070,354.74
July 10, 2019CFO25,000$34.57Sell$864,250.00
July 8, 2019Director10,000$34.63Sell$346,300.00
June 17, 2019CFO25,000$33.71Sell$842,750.00
May 23, 2019CEO100,000$33.00Sell$3,300,000.00
May 21, 2019CEO33,333$32.93Sell$1,097,655.69
May 16, 2019COO4,077$31.37Sell$127,895.49
May 16, 2019CEO13,383$31.37Sell$419,824.71
May 16, 2019CFO3,767$31.37Sell$118,170.79
May 16, 2019SVP3,461$31.37Sell$108,571.57
May 16, 2019CAO1,928$31.37Sell$60,481.36
Feb. 21, 2019CEO108,882$42.19Sell$4,593,731.58
Feb. 19, 2019CAO1,808$42.39Sell$76,641.12
Feb. 19, 2019CEO42,215$42.33Sell$1,786,960.95
Feb. 19, 2019SVP2,386$42.39Sell$101,142.54
Feb. 19, 2019CFO3,592$42.39Sell$152,264.88
Feb. 19, 2019COO3,822$42.39Sell$162,014.58
Feb. 4, 2019SVP16,119$42.16Sell$679,577.04
Jan. 28, 2019COO63,000$42.82Sell$2,697,660.00
Nov. 16, 2018COO5,982$38.25Sell$228,811.50
Nov. 16, 2018SVP4,524$38.25Sell$173,043.00
Nov. 16, 2018CEO15,326$38.25Sell$586,219.50
Nov. 16, 2018CAO4,016$38.25Sell$153,612.00
Nov. 16, 2018CFO6,515$38.25Sell$249,198.75
Sept. 20, 2018Director6,750$56.76Sell$383,130.00
Sept. 4, 2018Director10,000$67.39Sell$673,900.00
Aug. 21, 2018Director30,000$59.96Sell$1,798,800.00
Aug. 17, 2018Director15,000$59.62Sell$894,300.00
Aug. 14, 2018Director34,250$60.60Sell$2,075,550.00
June 27, 2018CEO130,000$49.52Sell$6,437,600.00
June 25, 2018CEO43,334$51.82Sell$2,245,567.88
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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.