Nektar Therapeutics (NKTR) Insider Trading & Ownership $60.10 -3.54 (-5.56%) Closing price 10/24/2025 04:00 PM EasternExtended Trading$60.22 +0.12 (+0.20%) As of 10/24/2025 08:00 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Insider Trades Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Nektar Therapeutics (NASDAQ:NKTR) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage5.25%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)3Amount OfInsider Selling(Last 12 Months)$1.15M Get NKTR Insider Trade Alerts Want to know when executives and insiders are buying or selling Nektar Therapeutics stock? 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NKTR Insider Buying and Selling by Quarter Nektar Therapeutics Insider and Congressional Trades History Insiders and Members of Congress Insiders Only Members of Congress Only Transaction Type Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 2 Years 3 Years Time Frame Start Date End Date Export to Excel Transaction DateNameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails9/9/2025Howard W RobinCEOSell6,666$46.69$311,235.54 9/5/2025Howard W RobinCEOSell6,666$38.53$256,840.98 9/4/2025Howard W RobinCEOSell5,166$33.70$174,094.20 9/4/2025Jonathan ZalevskyInsiderSell1,721$33.52$57,687.92 9/2/2025Howard W RobinCEOSell1,500$30.16$45,240.00 9/2/2025Jonathan ZalevskyInsiderSell485$30.10$14,598.50 8/19/2025Howard W RobinCEOSell1,573$26.59$41,826.07 8/19/2025Jonathan ZalevskyInsiderSell725$26.59$19,277.75 8/19/2025Mark Andrew WilsonInsiderSell676$26.59$17,974.84 5/19/2025Howard W RobinCEOSell1,547$10.05$15,547.35 Get Insider Trades Delivered To Your InboxEnter your email address below to receive a concise daily summary of insider buying activity, insider selling activity and changes in hedge fund holdings. 5/19/2025Jonathan ZalevskyInsiderSell714$10.05$7,175.70 5/19/2025Mark Andrew WilsonInsiderSell666$10.05$6,693.30 2/19/2025Howard W RobinCEOSell1,584$15.15$23,997.60 2/19/2025Jonathan ZalevskyInsiderSell686$15.15$10,392.90 12/23/2024Mark Andrew WilsonInsiderSell2,226$13.50$30,051.00 12/19/2024Jonathan ZalevskyInsiderSell3,407$14.10$48,038.70 12/17/2024Howard W RobinCEOSell3,133$15.15$47,464.95 11/19/2024Howard W RobinCEOSell1,085$15.15$16,437.75 11/19/2024Jonathan ZalevskyInsiderSell519$15.15$7,862.85 (Data available from 1/1/2013 forward) NKTR Insider Trading Activity - Frequently Asked Questions Who is on Nektar Therapeutics' Insider Roster? The list of insiders at Nektar Therapeutics includes Deep Track Capital, Lp, Howard W Robin, Jillian B Thomsen, Jonathan Zalevsky, Mark Andrew Wilson, Myriam Curet, Robert Chess, and Roy A Whitfield. Learn more on insiders at NKTR. What percentage of Nektar Therapeutics stock is owned by insiders? 5.25% of Nektar Therapeutics stock is owned by insiders. Learn more on NKTR's insider holdings. Which Nektar Therapeutics insiders have been selling company stock? The following insiders have sold NKTR shares in the last 24 months: Deep Track Capital, Lp ($99,671.10), Howard W Robin ($1,004,224.09), Jonathan Zalevsky ($197,517.27), Mark Andrew Wilson ($54,719.14), and Robert Chess ($23,400.00). How much insider selling is happening at Nektar Therapeutics? Insiders have sold a total of 52,730 Nektar Therapeutics shares in the last 24 months for a total of $1,379,531.60 sold. Nektar Therapeutics Key ExecutivesMr. Howard W. Robin (Age 71)CEO, President & Director Compensation: $1.83M6 recent tradesMr. Mark A. Wilson (Age 52)Senior VP, Chief Legal Officer & Secretary Compensation: $749.99kDr. Jonathan Zalevsky Ph.D. (Age 49)Chief Research & Development Officer Compensation: $1.25MMs. Sandra A. Gardiner (Age 58)Interim Chief Financial Officer Vivian WuDirector of Investor Relations & Corporate AffairsMr. Robert BacciSenior Vice President of Human Resources & Facilities OperationsMs. Jennifer RuddockChief Business OfficerDr. Mary Tagliaferri L.Ac. (Age 58)M.D., Chief Medical Officer More Insider Trading Tools from MarketBeat Related Companies PRGO Insider Buying SUPN Insider Buying PCRX Insider Buying OMER Insider Buying ASMB Insider Buying CPIX Insider Buying LLY Insider Buying JNJ Insider Buying ABBV Insider Buying MRK Insider Buying Insider Tracking Tools CEO Purchases/Sales CFO Purchases/Sales Top Insider Buying Stocks Top Insider Selling Stocks Insider Trades Screener Insider Trades Newsletter Congressional Stock Trades Insider Trading By Country U.S. Insider Trading Activity Canadian Insider Trading Activity U.K. Insider Trading Activity Australia Insider Trading Activity Latest Articles WesBanco Insiders Signal Confidence With Coordinated BuysBig Insider Sales at NVDA, DELL, TMUS Raise Questions—Or Do They?3 Healthcare Companies Insiders Are Buying Marvell Insiders Buy Shares—Should Investors Follow Suit?This Insider Just Made a Massive Bet on Transocean's Comeback This page (NASDAQ:NKTR) was last updated on 10/26/2025 by MarketBeat.com Staff From Our PartnersU.S. Government Sparking Crypto RallyMissed Bitcoin when it was $100? 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