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NKTR Insider Trading

Insider Ownership Percentage: 2.50%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $2,319,059.92

Nektar Therapeutics Insider Trading History Chart

This chart shows the insider buying and selling history at Nektar Therapeutics by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Nektar Therapeutics Share Price & Price History

Current Price: $60.98
Price Change: +0.30 (1.20%)
As of 06/18/2026 04:00 PM ET

This chart shows the closing price history over time for NKTR up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Nektar Therapeutics Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
6/16/2026Howard W RobinCEOSell10,000$60.32$603,200.0065,045View SEC Filing Icon  
6/15/2026Jonathan ZalevskyInsiderSell5,538$60.71$336,211.9815,437View SEC Filing Icon  
5/19/2026Howard W RobinCEOSell444$65.51$29,086.4475,045View SEC Filing Icon  
5/19/2026Jonathan ZalevskyInsiderSell199$65.51$13,036.4920,975View SEC Filing Icon  
2/18/2026Howard W RobinCEOSell423$73.00$30,879.0075,489View SEC Filing Icon  
2/18/2026Jonathan ZalevskyInsiderSell180$73.00$13,140.0021,174View SEC Filing Icon  
1/20/2026Jonathan ZalevskyInsiderSell3,867$35.67$137,935.8921,354View SEC Filing Icon  
11/25/2025Howard W RobinCEOSell2,207$54.28$119,795.9654,245View SEC Filing Icon  
11/25/2025Jonathan ZalevskyInsiderSell1,157$54.28$62,801.9618,971View SEC Filing Icon  
11/25/2025Mark Andrew WilsonInsiderSell630$54.28$34,196.4021,585View SEC Filing Icon  
9/9/2025Howard W RobinCEOSell6,666$46.69$311,235.5449,342View SEC Filing Icon  
9/5/2025Howard W RobinCEOSell6,666$38.53$256,840.9856,008View SEC Filing Icon  
9/4/2025Howard W RobinCEOSell5,166$33.70$174,094.2062,674View SEC Filing Icon  
9/4/2025Jonathan ZalevskyInsiderSell1,721$33.52$57,687.9217,462View SEC Filing Icon  
9/2/2025Howard W RobinCEOSell1,500$30.16$45,240.0067,840View SEC Filing Icon  
9/2/2025Jonathan ZalevskyInsiderSell485$30.10$14,598.5019,183View SEC Filing Icon  
8/19/2025Howard W RobinCEOSell1,573$26.59$41,826.0769,340View SEC Filing Icon  
8/19/2025Jonathan ZalevskyInsiderSell725$26.59$19,277.7519,668View SEC Filing Icon  
8/19/2025Mark Andrew WilsonInsiderSell676$26.59$17,974.8420,312View SEC Filing Icon  
5/19/2025Howard W RobinCEOSell1,547$10.05$15,547.3570,912View SEC Filing Icon  
5/19/2025Jonathan ZalevskyInsiderSell714$10.05$7,175.7020,392View SEC Filing Icon  
5/19/2025Mark Andrew WilsonInsiderSell666$10.05$6,693.3020,953View SEC Filing Icon  
2/19/2025Howard W RobinCEOSell1,584$15.15$23,997.6072,460View SEC Filing Icon  
2/19/2025Jonathan ZalevskyInsiderSell686$15.15$10,392.9021,106View SEC Filing Icon  
12/23/2024Mark Andrew WilsonInsiderSell2,226$13.50$30,051.0023,459View SEC Filing Icon  
12/19/2024Jonathan ZalevskyInsiderSell3,407$14.10$48,038.7021,793View SEC Filing Icon  
12/17/2024Howard W RobinCEOSell3,133$15.15$47,464.9579,714View SEC Filing Icon  
11/19/2024Howard W RobinCEOSell1,085$15.15$16,437.7555,472View SEC Filing Icon  
11/19/2024Jonathan ZalevskyInsiderSell519$15.15$7,862.8516,201View SEC Filing Icon  
8/19/2024Howard W RobinCEOSell992$19.20$19,046.4056,557View SEC Filing Icon  
8/19/2024Jonathan ZalevskyInsiderSell457$19.20$8,774.4016,720View SEC Filing Icon  
6/14/2024Robert ChessDirectorSell1,300$18.00$23,400.0017,018View SEC Filing Icon  
5/17/2024Howard W RobinCEOSell1,110$26.25$29,137.5057,549View SEC Filing Icon  
5/17/2024Jonathan ZalevskyInsiderSell490$26.25$12,862.5017,178View SEC Filing Icon  
5/10/2024Deep Track Capital, LpMajor ShareholderSell3,733$26.70$99,671.101,222,933View SEC Filing Icon  
2/20/2024Howard W RobinCEOSell1,335$10.20$13,617.0058,659View SEC Filing Icon  
2/20/2024Jonathan ZalevskyInsiderSell600$10.20$6,120.0017,668View SEC Filing Icon  
11/17/2023Howard W RobinCEOSell1,325$7.35$9,738.7559,994View SEC Filing Icon  
11/17/2023Jonathan ZalevskyInsiderSell643$7.35$4,726.0518,269View SEC Filing Icon  
9/18/2023Myriam CuretDirectorSell290$10.35$3,001.501,827View SEC Filing Icon  
8/16/2023Howard W RobinCEOSell1,333$11.70$15,596.1061,319View SEC Filing Icon  
8/16/2023Jonathan ZalevskyInsiderSell646$11.70$7,558.2018,912View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Nektar Therapeutics (NASDAQ:NKTR)

75.88% of Nektar Therapeutics stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at NKTR by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Nektar Therapeutics Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
6/4/2026Seven Fleet Capital Management LP4,300$0.31M0.1%-71.3%0.013%Search for SEC Filing on Google Icon
5/26/2026Glenmede Trust Co. NA13,865$1M0.0%+61.4%0.041%Search for SEC Filing on Google Icon
5/19/2026Bank of America Corp DE58,958$4.24M0.0%+126.0%0.174%Search for SEC Filing on Google Icon
5/19/2026Janus Henderson Group PLC10,729$0.77M0.0%+32.5%0.032%Search for SEC Filing on Google Icon
5/18/2026ADAR1 Capital Management LLC161,252$11.60M0.7%+123.9%0.477%Search for SEC Filing on Google Icon
5/18/2026California State Teachers Retirement System28,682$2.06M0.0%+97.5%0.085%Search for SEC Filing on Google Icon
5/18/2026Royal Bank of Canada16,181$1.16M0.0%+131.0%0.048%Search for SEC Filing on Google Icon
5/16/2026SummitTX Capital L.P.42,624$3.07M0.1%+35.9%0.126%Search for SEC Filing on Google Icon
5/16/2026Orbimed Advisors LLC275,000$19.79M0.4%N/A0.814%Search for SEC Filing on Google Icon
5/15/2026Entropy Technologies LP4,591$0.33M0.0%N/A0.014%Search for SEC Filing on Google Icon
5/14/2026Healthcare of Ontario Pension Plan Trust Fund15,813$1.14M0.0%N/A0.047%Search for SEC Filing on Google Icon
5/14/2026Renaissance Technologies LLC41,781$3.01M0.0%-75.8%0.124%Search for SEC Filing on Google Icon
5/14/2026Sei Investments Co.4,471$0.32M0.0%-56.6%0.013%Search for SEC Filing on Google Icon
5/14/2026Walleye Capital LLC12,878$0.93M0.0%N/A0.038%Search for SEC Filing on Google Icon
5/14/2026State of Wyoming927$67K0.0%N/A0.003%Search for SEC Filing on Google Icon
5/14/2026Monashee Investment Management LLC100,000$7.20M3.9%+6.2%0.296%Search for SEC Filing on Google Icon
5/7/2026KBC Group NV721$52K0.0%N/A0.002%Search for SEC Filing on Google Icon
5/7/2026Swiss National Bank47,900$3.45M0.0%+50.2%0.142%Search for SEC Filing on Google Icon
5/6/2026Allspring Global Investments Holdings LLC2,898$0.21M0.0%N/A0.009%Search for SEC Filing on Google Icon
5/5/2026Bank of New York Mellon Corp6,597$0.48M0.0%N/A0.020%Search for SEC Filing on Google Icon
5/4/2026Emerald Mutual Fund Advisers Trust256,106$18.43M0.9%+1.2%0.759%Search for SEC Filing on Google Icon
5/4/2026Emerald Advisers LLC394,604$28.39M0.9%+2.7%1.170%Search for SEC Filing on Google Icon
4/27/2026Y Intercept Hong Kong Ltd26,545$1.91M0.0%+144.4%0.079%Search for SEC Filing on Google Icon
4/27/2026Leonteq Securities AG2,000$0.14M0.0%-75.0%0.006%Search for SEC Filing on Google Icon
4/22/2026Pictet Asset Management Holding SA3,718$0.27M0.0%N/A0.013%Search for SEC Filing on Google Icon
4/20/2026OP Asset Management Ltd3,991$0.29M0.0%N/A0.014%Search for SEC Filing on Google Icon
4/16/2026SG Americas Securities LLC3,235$0.23M0.0%-70.5%0.011%Search for SEC Filing on Google Icon
2/26/2026Seven Fleet Capital Management LP15,000$0.63M0.5%N/A0.074%Search for SEC Filing on Google Icon
2/23/2026Virtu Financial LLC13,811$0.58M0.0%N/A0.068%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.468,159$19.79M0.0%+106.3%2.302%Search for SEC Filing on Google Icon
2/18/2026Creek Drive Management Group LLC185,500$7.84M5.5%N/A0.647%Search for SEC Filing on Google Icon
2/18/2026KVP Capital Advisors LP26,900$1.14M1.1%N/A0.132%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd7,196$0.30M0.0%+22.0%0.035%Search for SEC Filing on Google Icon
2/18/2026Voloridge Investment Management LLC295,716$12.50M0.0%+72.2%1.454%Search for SEC Filing on Google Icon
2/18/2026Virtus Investment Advisers LLC4,863$0.21M0.1%N/A0.024%Search for SEC Filing on Google Icon
2/18/2026SummitTX Capital L.P.31,353$1.33M0.0%+361.2%0.154%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC454,075$19.20M0.0%-20.5%2.232%Search for SEC Filing on Google Icon
2/18/2026Ishara Investments LP20,000$0.85M1.0%N/A0.098%Search for SEC Filing on Google Icon
2/18/2026Janus Henderson Group PLC8,100$0.34M0.0%N/A0.040%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP37,284$1.58M0.0%+111.5%0.183%Search for SEC Filing on Google Icon
2/18/2026Balyasny Asset Management L.P.282,021$11.92M0.0%+46.4%1.387%Search for SEC Filing on Google Icon
2/18/2026BVF Inc. IL1,559,595$65.94M2.2%+22.2%7.668%Search for SEC Filing on Google Icon
2/18/2026Armistice Capital LLC596,000$25.20M0.3%+122.4%2.930%Search for SEC Filing on Google Icon
2/18/2026ACT Capital Management LLC51,200$2.17M1.8%N/A0.252%Search for SEC Filing on Google Icon
2/17/2026J. Goldman & Co LP18,352$0.78M0.0%N/A0.090%Search for SEC Filing on Google Icon
2/17/2026Jain Global LLC17,299$0.73M0.0%-47.2%0.085%Search for SEC Filing on Google Icon
2/17/2026Trexquant Investment LP18,821$0.80M0.0%-79.4%0.093%Search for SEC Filing on Google Icon
2/17/2026Nearwater Capital Markets Ltd61,500$2.60M0.0%N/A0.302%Search for SEC Filing on Google Icon
2/17/2026Jump Financial LLC53,212$2.25M0.0%N/A0.262%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD10,376$0.44M0.0%-13.4%0.051%Search for SEC Filing on Google Icon
2/17/2026California State Teachers Retirement System14,520$0.61M0.0%N/A0.071%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.85,666$3.62M0.0%+402.5%0.421%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board8,629$0.37M0.0%N/A0.042%Search for SEC Filing on Google Icon
2/17/2026Fred Alger Management LLC54,020$2.28M0.0%-41.2%0.266%Search for SEC Filing on Google Icon
2/17/2026Royal Bank of Canada7,005$0.30M0.0%-82.2%0.034%Search for SEC Filing on Google Icon
2/17/2026Opal Capital LLC5,948$0.25M0.1%N/A0.029%Search for SEC Filing on Google Icon
2/16/2026OMERS ADMINISTRATION Corp7,200$0.30M0.0%N/A0.035%Search for SEC Filing on Google Icon
2/16/2026Squarepoint Ops LLC20,257$0.86M0.0%-41.3%0.100%Search for SEC Filing on Google Icon
2/16/2026Sofinnova Investments Inc.438,630$18.55M0.8%+270.4%2.156%Search for SEC Filing on Google Icon
2/16/2026Verition Fund Management LLC7,035$0.30M0.0%-71.2%0.035%Search for SEC Filing on Google Icon
2/16/2026Landscape Capital Management L.L.C.60,431$2.56M0.2%N/A0.297%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC15,444$0.65M0.0%-7.4%0.076%Search for SEC Filing on Google Icon
2/13/2026Prosight Management LP554,633$23.45M4.8%N/A2.727%Search for SEC Filing on Google Icon
2/13/2026Nantahala Capital Management LLC112,946$4.78M0.2%-73.0%0.555%Search for SEC Filing on Google Icon
2/13/2026FORA Capital LLC5,761$0.23M0.0%N/A0.028%Search for SEC Filing on Google Icon
2/13/2026Marshall Wace LLP24,023$1.02M0.0%N/A0.118%Search for SEC Filing on Google Icon
2/13/2026Quinn Opportunity Partners LLC85,868$3.63M0.2%-21.8%0.422%Search for SEC Filing on Google Icon
2/13/2026Hudson Bay Capital Management LP59,691$2.52M0.0%-44.6%0.293%Search for SEC Filing on Google Icon
2/13/2026Quarry LP2,000$85K0.0%N/A0.010%Search for SEC Filing on Google Icon
2/13/2026Headlands Technologies LLC41,201$1.74M0.1%+38.1%0.203%Search for SEC Filing on Google Icon
2/13/2026Birchview Capital LP31,000$1.31M0.8%+671.0%0.152%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.120,380$5.09M0.0%+5.0%0.592%Search for SEC Filing on Google Icon
2/13/2026State Street Corp195,656$8.27M0.0%+51.7%0.962%Search for SEC Filing on Google Icon
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC16,184$0.68M0.0%N/A0.080%Search for SEC Filing on Google Icon
2/12/2026Renaissance Technologies LLC172,881$7.31M0.0%-37.9%0.850%Search for SEC Filing on Google Icon
2/12/2026Informed Momentum Co LLC12,972$0.55M0.1%-83.4%0.064%Search for SEC Filing on Google Icon
2/12/2026Knott David M Jr15,500$0.66M0.3%N/A0.076%Search for SEC Filing on Google Icon
2/12/2026Swiss National Bank31,900$1.35M0.0%N/A0.157%Search for SEC Filing on Google Icon
2/12/2026Monashee Investment Management LLC94,134$3.98M2.2%N/A0.463%Search for SEC Filing on Google Icon
2/11/2026Primecap Management Co. CA280,150$11.85M0.0%-3.1%1.377%Search for SEC Filing on Google Icon
2/11/2026Nationale Nederlanden Powszechne Towarzystwo Emerytalne S.A.188,112$7.95M0.7%+22.3%0.925%Search for SEC Filing on Google Icon
2/11/2026Deutsche Bank AG90,743$3.84M0.0%+0.8%0.446%Search for SEC Filing on Google Icon
2/11/2026Fox Run Management L.L.C.26,522$1.12M0.2%N/A0.130%Search for SEC Filing on Google Icon
2/11/2026Erste Asset Management GmbH28,000$1.20M0.0%+64.7%0.138%Search for SEC Filing on Google Icon
2/11/2026JPMorgan Chase & Co.150,804$6.38M0.0%+793,605.3%0.741%Search for SEC Filing on Google Icon
2/11/2026ING Groep NV100,000$4.23M0.0%N/A0.492%Search for SEC Filing on Google Icon
2/11/2026Propel Bio Management LLC82,822$3.50M3.0%+69.0%0.407%Search for SEC Filing on Google Icon
2/11/2026Two Seas Capital LP745,185$31.51M0.6%N/A3.664%Search for SEC Filing on Google Icon
2/11/2026BIT Capital GmbH21,100$0.89M0.0%N/A0.104%Search for SEC Filing on Google Icon
2/11/2026WINTON GROUP Ltd7,765$0.33M0.0%N/A0.038%Search for SEC Filing on Google Icon
2/11/2026Arrowpoint Investment Partners Singapore Pte. Ltd.4,927$0.21M0.0%N/A0.024%Search for SEC Filing on Google Icon
2/10/2026Cibc World Market Inc.13,282$0.56M0.0%N/A0.065%Search for SEC Filing on Google Icon
2/10/2026Goldman Sachs Group Inc.147,793$6.25M0.0%+91.8%0.727%Search for SEC Filing on Google Icon
2/10/2026BNP Paribas Financial Markets210,298$8.89M0.0%+48,355.8%1.034%Search for SEC Filing on Google Icon
2/10/2026Norges Bank50,000$2.11M0.0%N/A0.246%Search for SEC Filing on Google Icon
2/9/2026Geode Capital Management LLC254,361$10.76M0.0%+12.9%1.251%Search for SEC Filing on Google Icon
2/9/2026Sectoral Asset Management Inc.13,485$0.57M0.5%N/A0.066%Search for SEC Filing on Google Icon
2/9/2026Simplify Asset Management Inc.28,000$1.18M0.0%-67.9%0.138%Search for SEC Filing on Google Icon
2/9/2026Jefferies Financial Group Inc.111,900$4.73M0.0%-63.1%0.550%Search for SEC Filing on Google Icon
2/6/2026Leonteq Securities AG8,000$0.34M0.0%N/A0.039%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Nektar Therapeutics logo
Nektar Therapeutics, a biopharmaceutical company, focuses on discovering and developing medicines in the field of immunotherapy in the United States and internationally. The company is developing rezpegaldesleukin, a cytokine Treg stimulant that is in phase 2 clinical trial for the treatment of systemic lupus erythematosus and ulcerative colitis, as well as phase 2b clinical trial to treat atopic dermatitis and psoriasis; and NKTR-255, an IL-15 receptor agonist, which is in phase 1 clinical trial to boost the immune system's natural ability to fight cancer. It has collaboration agreements with Takeda Pharmaceutical Company Ltd.; AstraZeneca AB; UCB Pharma S.A.; F. Hoffmann-La Roche Ltd; Bausch Health Companies Inc.; Pfizer Inc.; Amgen Inc.; UCB Pharma (Biogen); Bristol-Myers Squibb Company; Merck KGaA; and SFJ Pharmaceuticals, Inc. The company was incorporated in 1990 and is headquartered in San Francisco, California.
Read More on Nektar Therapeutics

Today's Range

Now: $60.98
Low: $59.31
High: $61.82

50 Day Range

MA: $73.08
Low: $56.23
High: $100.35

52 Week Range

Now: $60.98
Low: $8.27
High: $109.00

Volume

909,592 shs

Average Volume

898,048 shs

Market Capitalization

$2.06 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.13

Who are the company insiders with the largest holdings of Nektar Therapeutics?

Nektar Therapeutics' top insider investors include:
  1. Deep Track Capital, Lp (Major Shareholder)
  2. Howard W Robin (CEO)
  3. Howard W Robin (CEO)
  4. Jonathan Zalevsky (Insider)
  5. John Nicholson (COO)
  6. Mark Andrew Wilson (Insider)
  7. Jillian B Thomsen (CAO)
  8. Jillian B Thomsen (CFO)
  9. Gil M Labrucherie (CFO)
  10. Robert Chess (Director)
Learn More about top insider investors at Nektar Therapeutics.

Who are the major institutional investors of Nektar Therapeutics?

Nektar Therapeutics' top institutional shareholders include:
  1. Emerald Advisers LLC — 1.17%
  2. Orbimed Advisors LLC — 0.81%
  3. Emerald Mutual Fund Advisers Trust — 0.76%
  4. ADAR1 Capital Management LLC — 0.48%
  5. Monashee Investment Management LLC — 0.30%
  6. Bank of America Corp DE — 0.17%
Learn More about top institutional investors of Nektar Therapeutics stock.

Which major investors are selling Nektar Therapeutics stock?

Within the previous quarter, NKTR stock was sold by these institutional investors:
  1. Renaissance Technologies LLC
  2. Seven Fleet Capital Management LP
  3. SG Americas Securities LLC
  4. Leonteq Securities AG
  5. Sei Investments Co.
In the previous year, company insiders that have sold Nektar Therapeutics company stock include:
  1. Howard W Robin (CEO)
  2. Mark Andrew Wilson (Insider)
  3. Jonathan Zalevsky (Insider)
Learn More investors selling Nektar Therapeutics stock.

Which major investors are buying Nektar Therapeutics stock?

In the last quarter, NKTR stock was purchased by institutional investors including:
  1. Orbimed Advisors LLC
  2. ADAR1 Capital Management LLC
  3. Bank of America Corp DE
  4. Swiss National Bank
  5. Healthcare of Ontario Pension Plan Trust Fund
  6. Y Intercept Hong Kong Ltd
  7. California State Teachers Retirement System
  8. Walleye Capital LLC

Nektar Therapeutics Active Insiders

Howard W Robin
Howard W Robin (Age 73)
CEO
3 recent trades
Gil M Labrucherie
Gil M Labrucherie (Age 54)
CFO
Jillian B Thomsen
Jillian B Thomsen (Age 60)
CAO
Robert Chess
Robert Chess
Director
Myriam Curet
Myriam Curet
Director
Roy A Whitfield
Director
Mark Andrew Wilson (Age 54)
SVP
John Northcott
John Northcott (Age 47)
SVP
Jonathan Zalevsky
Jonathan Zalevsky (Age 51)
Insider
4 recent trades