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NKTR Insider Trading

Insider Ownership Percentage: 5.25%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $1,344,931.62

Nektar Therapeutics Insider Trading History Chart

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

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Nektar Therapeutics Share Price & Price History

Current Price: $57.69
Price Change: ▲ Price Increase of +0.56 (0.98%)
As of 12/4/2025 05:00 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
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  
6/14/2023Roy A. WhitfieldDirectorSell2,000$8.55$17,100.0014,416View SEC Filing Icon  
5/16/2023Howard W RobinCEOSell1,357$10.80$14,655.6062,653View SEC Filing Icon  
5/16/2023Jonathan ZalevskyInsiderSell652$10.80$7,041.6019,559View SEC Filing Icon  
2/16/2023Howard W RobinCEOSell1,309$45.00$58,905.0064,010View SEC Filing Icon  
2/16/2023Jillian B. ThomsenCFOSell684$45.00$30,780.0020,899View SEC Filing Icon  
2/16/2023Jonathan ZalevskyInsiderSell698$45.00$31,410.0020,211View SEC Filing Icon  
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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
12/2/2025Allworth Financial LP676$38K0.0%-79.9%0.003%Search for SEC Filing on Google Icon
11/17/2025Jacobs Levy Equity Management Inc.14,946$0.85M0.0%-89.9%0.073%Search for SEC Filing on Google Icon
11/17/2025Armistice Capital LLC268,000$15.25M0.2%+116.1%1.317%Search for SEC Filing on Google Icon
11/17/2025Caxton Associates LLP13,977$0.80M0.0%N/A0.069%Search for SEC Filing on Google Icon
11/17/2025Woodline Partners LP233,059$13.26M0.1%-5.3%1.146%Search for SEC Filing on Google Icon
11/17/2025Dark Forest Capital Management LP9,185$0.52M0.0%N/A0.045%Search for SEC Filing on Google Icon
11/17/2025Voloridge Investment Management LLC171,776$9.77M0.0%N/A0.844%Search for SEC Filing on Google Icon
11/17/2025Verition Fund Management LLC24,415$1.39M0.0%N/A0.120%Search for SEC Filing on Google Icon
11/17/2025Qube Research & Technologies Ltd3,974$0.23M0.0%N/A0.020%Search for SEC Filing on Google Icon
11/17/2025Nantahala Capital Management LLC418,522$23.81M0.8%-41.0%2.057%Search for SEC Filing on Google Icon
11/17/2025Jain Global LLC32,787$1.87M0.0%-74.5%0.161%Search for SEC Filing on Google Icon
11/17/2025Farallon Capital Management LLC791,000$45.01M0.2%N/A3.889%Search for SEC Filing on Google Icon
11/17/2025Fred Alger Management LLC91,807$5.22M0.0%+74.2%0.451%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP4,109$0.23M0.0%N/A0.020%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE47,959$2.73M0.0%-29.0%0.236%Search for SEC Filing on Google Icon
11/17/202522NW LP331,115$18.84M9.8%+126.6%1.628%Search for SEC Filing on Google Icon
11/14/2025ADAR1 Capital Management LLC72,007$4.10M0.4%-475.0%0.354%Search for SEC Filing on Google Icon
11/14/2025Longaeva Partners L.P.62,729$3.57M0.5%N/A0.308%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP434,237$24.71M0.0%+446.9%2.135%Search for SEC Filing on Google Icon
11/14/2025Bridgeway Capital Management LLC30,140$1.72M0.0%-54.4%0.148%Search for SEC Filing on Google Icon
11/14/2025Squarepoint Ops LLC34,500$1.96M0.0%N/A0.170%Search for SEC Filing on Google Icon
11/14/2025Quinn Opportunity Partners LLC109,868$6.25M0.4%N/A0.540%Search for SEC Filing on Google Icon
11/14/2025F m Investments LLC53,088$3.02M0.1%N/A0.261%Search for SEC Filing on Google Icon
11/14/2025Glenmede Investment Management LP9,200$0.52M0.0%N/A0.045%Search for SEC Filing on Google Icon
11/13/2025Invesco Ltd.226,897$12.91M0.0%+608.3%1.193%Search for SEC Filing on Google Icon
11/13/2025Sei Investments Co.13,744$0.78M0.0%N/A0.072%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG90,822$5.17M0.0%-54.9%0.478%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets434$25K0.0%+93.8%0.002%Search for SEC Filing on Google Icon
11/13/2025Russell Investments Group Ltd.17,049$0.97M0.0%+238.4%0.090%Search for SEC Filing on Google Icon
11/13/2025Jefferies Financial Group Inc.303,200$17.25M0.1%N/A1.594%Search for SEC Filing on Google Icon
11/12/2025Barclays PLC16,679$0.95M0.0%+85.1%0.088%Search for SEC Filing on Google Icon
11/12/2025Propel Bio Management LLC49,000$2.79M2.8%N/A0.258%Search for SEC Filing on Google Icon
11/12/202549 Wealth Management LLC5,981$0.34M0.0%N/A0.031%Search for SEC Filing on Google Icon
11/12/2025Erste Asset Management GmbH17,000$1M0.0%N/A0.089%Search for SEC Filing on Google Icon
11/12/2025Fifth Lane Capital LP4,500$0.26M0.2%N/A0.024%Search for SEC Filing on Google Icon
11/12/2025Primecap Management Co. CA289,050$16.45M0.0%-3.6%1.520%Search for SEC Filing on Google Icon
11/12/2025US Bancorp DE1,810$0.10M0.0%-51.1%0.010%Search for SEC Filing on Google Icon
11/10/2025Palumbo Wealth Management LLC26,154$1.49M0.4%+10.0%0.138%Search for SEC Filing on Google Icon
11/10/2025Persistent Asset Partners Ltd17,270$0.98M0.7%N/A0.091%Search for SEC Filing on Google Icon
11/7/2025Compass Wealth Management LLC1,540$88K0.0%N/A0.008%Search for SEC Filing on Google Icon
11/7/2025Readystate Asset Management LP45,042$2.56M0.1%N/A0.237%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.948,647$53.98M0.0%+30.0%4.988%Search for SEC Filing on Google Icon
11/5/2025Bessemer Group Inc.1,565$90K0.0%+1,741.2%0.008%Search for SEC Filing on Google Icon
11/5/2025Envestnet Asset Management Inc.10,086$0.57M0.0%N/A0.053%Search for SEC Filing on Google Icon
11/3/2025Great Lakes Advisors LLC3,922$0.22M0.0%N/A0.021%Search for SEC Filing on Google Icon
10/31/2025Compass Wealth Management LLC1,540$88K0.0%N/A0.008%Search for SEC Filing on Google Icon
10/31/2025Vanguard Personalized Indexing Management LLC3,911$0.22M0.0%N/A0.021%Search for SEC Filing on Google Icon
10/30/2025Emerald Mutual Fund Advisers Trust233,205$13.27M0.7%N/A1.226%Search for SEC Filing on Google Icon
10/30/2025Emerald Advisers LLC323,246$18.39M0.6%N/A1.700%Search for SEC Filing on Google Icon
10/24/2025Bayforest Capital Ltd1,679$96K0.0%N/A0.009%Search for SEC Filing on Google Icon
10/23/2025HB Wealth Management LLC9,244$0.53M0.0%N/A0.049%Search for SEC Filing on Google Icon
10/21/2025Moody Aldrich Partners LLC73,716$4.19M0.8%+62.3%0.388%Search for SEC Filing on Google Icon
10/20/2025Simplify Asset Management Inc.87,174$4.96M0.1%+67.6%0.458%Search for SEC Filing on Google Icon
10/9/2025Gainplan LLC5,035$0.29M0.1%-66.4%0.026%Search for SEC Filing on Google Icon
9/4/2025Osaic Holdings Inc.5,388$0.14M0.0%-93.4%0.028%Search for SEC Filing on Google Icon
8/16/2025Headlands Technologies LLC2,522$65K0.0%N/A0.013%Search for SEC Filing on Google Icon
8/15/2025Tower Research Capital LLC TRC 5,424$0.14M0.0%-63.7%0.029%Search for SEC Filing on Google Icon
8/15/2025Gilder Gagnon Howe & Co. LLC28,902$0.75M0.0%-93.0%0.233%Search for SEC Filing on Google Icon
8/15/2025Bridgeway Capital Management LLC66,140$1.71M0.0%-93.3%0.533%Search for SEC Filing on Google Icon
8/15/2025Balyasny Asset Management L.P.386,290$9.98M0.0%-54.6%3.113%Search for SEC Filing on Google Icon
8/15/2025Bank of America Corp DE67,561$1.75M0.0%-46.5%0.544%Search for SEC Filing on Google Icon
8/15/2025AQR Capital Management LLC427,867$11.06M0.0%-88.2%3.448%Search for SEC Filing on Google Icon
8/14/2025Nantahala Capital Management LLC709,761$18.34M0.7%-90.9%5.721%Search for SEC Filing on Google Icon
8/14/2025TCG Crossover Management LLC266,666$6.89M0.8%-93.3%2.149%Search for SEC Filing on Google Icon
8/14/2025Armistice Capital LLC124,000$3.20M0.1%-88.0%0.999%Search for SEC Filing on Google Icon
8/14/2025Caption Management LLC2,776$72K0.0%-97.6%0.022%Search for SEC Filing on Google Icon
8/14/202522NW LP146,115$3.78M2.7%-93.3%1.178%Search for SEC Filing on Google Icon
8/13/2025Marshall Wace LLP14,200$0.37M0.0%N/A0.114%Search for SEC Filing on Google Icon
8/13/2025Stonepine Capital Management LLC50,200$1.30M1.3%N/A0.405%Search for SEC Filing on Google Icon
8/13/2025Invesco Ltd.32,032$0.83M0.0%-94.9%0.258%Search for SEC Filing on Google Icon
8/13/2025Russell Investments Group Ltd.5,038$0.13M0.0%-93.3%0.041%Search for SEC Filing on Google Icon
8/11/2025Primecap Management Co. CA299,718$7.75M0.0%-94.4%2.416%Search for SEC Filing on Google Icon
8/8/2025Geode Capital Management LLC132,373$3.42M0.0%-96.7%1.067%Search for SEC Filing on Google Icon
8/7/2025Simplify Asset Management Inc.51,998$1.34M0.1%N/A0.419%Search for SEC Filing on Google Icon
8/7/2025Allworth Financial LP3,366$87K0.0%-66.8%0.027%Search for SEC Filing on Google Icon
8/7/2025Monaco Asset Management SAM43,966$1.14M0.2%-95.9%0.354%Search for SEC Filing on Google Icon
8/7/2025Acadian Asset Management LLC420,958$10.88M0.0%-94.2%3.392%Search for SEC Filing on Google Icon
8/7/2025Connor Clark & Lunn Investment Management Ltd.21,335$0.55M0.0%-94.2%0.172%Search for SEC Filing on Google Icon
8/6/2025Savant Capital LLC12,364$0.32M0.0%-62.5%0.100%Search for SEC Filing on Google Icon
8/4/2025Moody Aldrich Partners LLC45,412$1.17M0.2%N/A0.366%Search for SEC Filing on Google Icon
8/4/2025Deuterium Capital Management LLC37,349$0.97M1.8%-93.3%0.301%Search for SEC Filing on Google Icon
7/30/2025FNY Investment Advisers LLC1,525$39K0.0%N/A0.012%Search for SEC Filing on Google Icon
7/25/2025CWM LLC11,953$0.31M0.0%-88.7%0.096%Search for SEC Filing on Google Icon
7/24/2025IFP Advisors Inc4,810$0.12M0.0%N/A0.039%Search for SEC Filing on Google Icon
7/23/2025Gainplan LLC15,000$0.39M0.2%N/A0.121%Search for SEC Filing on Google Icon
7/15/2025Palumbo Wealth Management LLC23,772$0.61M0.2%N/A0.192%Search for SEC Filing on Google Icon
7/15/2025Public Employees Retirement System of Ohio2,429$63K0.0%-98.0%0.020%Search for SEC Filing on Google Icon
7/10/2025Wealth Enhancement Advisory Services LLC8,489$0.21M0.0%-85.9%0.068%Search for SEC Filing on Google Icon
7/8/2025Parallel Advisors LLC1,053$27K0.0%-93.3%0.008%Search for SEC Filing on Google Icon
6/27/2025Goldman Sachs Group Inc.531,362$0.36M0.0%-26.9%4.282%Search for SEC Filing on Google Icon
6/18/2025Voya Investment Management LLC266,773$0.18M0.0%+46.8%2.150%Search for SEC Filing on Google Icon
5/29/2025Rhumbline Advisers221,761$0.15M0.0%+23.3%0.119%Search for SEC Filing on Google Icon
5/21/2025Acadian Asset Management LLC7,301,734$4.96M0.0%+1.4%3.923%Search for SEC Filing on Google Icon
5/16/2025Woodline Partners LP3,691,878$2.51M0.0%-25.8%1.984%Search for SEC Filing on Google Icon
5/16/2025Fred Alger Management LLC506,446$0.34M0.0%N/A0.272%Search for SEC Filing on Google Icon
5/16/2025Goldman Sachs Group Inc.531,362$0.36M0.0%-26.9%0.286%Search for SEC Filing on Google Icon
5/16/2025Integrated Wealth Concepts LLC100,654$68K0.0%N/A0.054%Search for SEC Filing on Google Icon
5/16/2025Jacobs Levy Equity Management Inc.3,007,928$2.05M0.0%+14.5%1.616%Search for SEC Filing on Google Icon
5/16/2025AQR Capital Management LLC3,640,851$2.46M0.0%+336.9%1.956%Search for SEC Filing on Google Icon
5/16/2025Almitas Capital LLC4,610,872$3.14M1.0%+401.1%2.478%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: $57.69
Low: $54.75
High: $57.86

50 Day Range

MA: $58.84
Low: $53.95
High: $65.69

52 Week Range

Now: $57.69
Low: $6.45
High: $66.92

Volume

475,955 shs

Average Volume

649,746 shs

Market Capitalization

$1.17 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.27

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. Mark Andrew Wilson (Insider)
  4. Jonathan Zalevsky (Insider)
  5. 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. Vanguard Group Inc. — 4.99%
  2. Farallon Capital Management LLC — 3.89%
  3. Susquehanna International Group LLP — 0.00%
  4. Two Sigma Investments LP — 2.13%
  5. Nantahala Capital Management LLC — 2.06%
  6. Citadel Advisors LLC — 0.00%
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. Nantahala Capital Management LLC
  2. Jacobs Levy Equity Management Inc.
  3. UBS Group AG
  4. Jain Global LLC
  5. Susquehanna International Group LLP
  6. Bridgeway Capital Management LLC
  7. Boothbay Fund Management LLC
  8. Bank of America Corp DE
In the previous year, company insiders that have sold Nektar Therapeutics company stock include:
  1. Deep Track Capital, Lp (Major Shareholder)
  2. Howard W Robin (CEO)
  3. Mark Andrew Wilson (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. Farallon Capital Management LLC
  2. Two Sigma Investments LP
  3. Emerald Advisers LLC
  4. Jefferies Financial Group Inc.
  5. Emerald Mutual Fund Advisers Trust
  6. Vanguard Group Inc.
  7. Invesco Ltd.
  8. 22NW LP