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PBYI Insider Trading

Insider Ownership Percentage: 23.30%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $951,627.52

Puma Biotechnology Insider Trading History Chart

This chart shows the insider buying and selling history at Puma Biotechnology by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Puma Biotechnology Share Price & Price History

Current Price: $6.16
Price Change: ▼ Price Decrease of -0.108 (-1.72%)
As of 03/27/2026 10:30 AM ET

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

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

Puma Biotechnology Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
1/7/2026Alan H. AuerbachCEOSell18,012$5.88$105,910.567,145,951View SEC Filing Icon  
1/7/2026Douglas M. HuntInsiderSell5,014$5.88$29,482.32155,907View SEC Filing Icon  
1/6/2026Alan H. AuerbachCEOSell16,938$5.84$98,917.927,163,963View SEC Filing Icon  
1/6/2026Douglas M. HuntInsiderSell3,973$5.84$23,202.32160,921View SEC Filing Icon  
11/11/2025Michael Patrick MillerDirectorSell20,000$4.86$97,200.0054,000View SEC Filing Icon  
7/18/2025Alessandra CesanoDirectorSell27,000$3.37$90,990.0041,850View SEC Filing Icon  
7/9/2025Alan H. AuerbachCEOSell21,580$3.54$76,393.207,180,901View SEC Filing Icon  
7/9/2025Douglas M. HuntInsiderSell3,443$3.54$12,188.22164,894View SEC Filing Icon  
7/8/2025Alan H. AuerbachCEOSell25,592$3.53$90,339.767,202,481View SEC Filing Icon  
7/8/2025Douglas M. HuntInsiderSell4,374$3.53$15,440.22168,337View SEC Filing Icon  
6/13/2025Adrian SenderowiczDirectorSell27,000$3.40$91,800.0027,000View SEC Filing Icon  
6/13/2025Alessandra CesanoDirectorSell12,150$3.40$41,310.0068,850View SEC Filing Icon  
6/13/2025Allison DorvalDirectorSell11,610$3.40$39,474.0075,390View SEC Filing Icon  
6/13/2025Brian M StuglikDirectorSell8,100$3.39$27,459.0094,958View SEC Filing Icon  
6/13/2025Jay M MoyesDirectorSell22,000$3.40$74,800.0053,322View SEC Filing Icon  
6/13/2025Troy Edward WilsonDirectorSell10,800$3.40$36,720.0043,550View SEC Filing Icon  
1/2/2025Alan H. AuerbachCEOSell33,841$3.15$106,599.157,029,674View SEC Filing Icon  
1/2/2025Jeffrey Jerome LudwigInsiderSell9,437$3.15$29,726.55108,951View SEC Filing Icon  
8/12/2024Michael Patrick MillerDirectorSell23,358$3.49$81,519.4247,000View SEC Filing Icon  
7/17/2024Alan H. AuerbachCEOSell21,920$3.70$81,104.007,063,515View SEC Filing Icon  
7/17/2024Jeffrey Jerome LudwigInsiderSell2,598$3.70$9,612.60118,388View SEC Filing Icon  
7/17/2024Maximo F. NouguesCFOSell4,156$3.70$15,377.20162,522View SEC Filing Icon  
7/2/2024Alan H. AuerbachCEOSell18,885$3.27$61,753.957,085,435View SEC Filing Icon  
7/2/2024Jeffrey Jerome LudwigInsiderSell6,051$3.27$19,786.77120,986View SEC Filing Icon  
7/2/2024Maximo F. NouguesCFOSell5,295$3.27$17,314.65166,678View SEC Filing Icon  
6/13/2024Troy Edward WilsonDirectorSell27,000$3.33$89,910.00350View SEC Filing Icon  
1/3/2024Alan H. AuerbachCEOSell41,396$4.49$185,868.046,936,947View SEC Filing Icon  
1/3/2024Alvin F. WongInsiderSell7,733$4.49$34,721.1798,214View SEC Filing Icon  
1/3/2024Maximo F. NouguesCFOSell15,682$4.49$70,412.18128,666View SEC Filing Icon  
11/7/2023Michael Patrick MillerDirectorSell25,000$2.83$70,750.0043,358View SEC Filing Icon  
7/3/2023Alan H. AuerbachCEOSell60,698$3.31$200,910.386,978,343View SEC Filing Icon  
7/3/2023Alvin F. WongInsiderSell6,938$3.31$22,964.78105,947View SEC Filing Icon  
7/3/2023Maximo F. NouguesCFOSell14,680$3.31$48,590.80144,348View SEC Filing Icon  
6/13/2023Troy Edward WilsonDirectorSell27,000$3.45$93,150.00350View SEC Filing Icon  
6/2/2023Alvin F. WongInsiderSell269$3.45$928.05112,885View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Puma Biotechnology (NASDAQ:PBYI)

61.29% of Puma Biotechnology 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 PBYI by year and by quarter.

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

Puma Biotechnology Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
2/19/2026Invesco Ltd.108,301$0.64M0.0%+69.7%0.215%Search for SEC Filing on Google Icon
2/18/2026Mackenzie Financial Corp160,973$0.97M0.0%-8.1%0.319%Search for SEC Filing on Google Icon
2/18/2026Empowered Funds LLC186,185$1.11M0.0%+55.7%0.369%Search for SEC Filing on Google Icon
2/18/2026Stokes Family Office LLC28,091$0.17M0.0%N/A0.056%Search for SEC Filing on Google Icon
2/18/2026Verdad Advisers LP55,542$0.33M0.1%N/A0.110%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC16,614$99K0.0%-84.3%0.033%Search for SEC Filing on Google Icon
2/18/2026Man Group plc47,324$0.28M0.0%N/A0.094%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP18,786$0.11M0.0%N/A0.037%Search for SEC Filing on Google Icon
2/18/2026Bridgeway Capital Management LLC773,485$4.60M0.1%+78.4%1.535%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC666,605$3.97M0.0%+410.1%1.323%Search for SEC Filing on Google Icon
2/17/2026Abel Hall LLC10,793$64K0.0%N/A0.021%Search for SEC Filing on Google Icon
2/17/2026Lazard Asset Management LLC59,575$0.35M0.0%-5.7%0.118%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD25,936$0.16M0.0%+19.9%0.051%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.251,653$1.50M0.0%-73.9%0.499%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board133,774$0.80M0.0%+146.3%0.265%Search for SEC Filing on Google Icon
2/16/2026Panagora Asset Management Inc.194,887$1.16M0.0%+17.5%0.387%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC81,434$0.49M0.0%+1.9%0.162%Search for SEC Filing on Google Icon
2/13/2026The Manufacturers Life Insurance Company 13,427$80K0.0%-11.4%0.027%Search for SEC Filing on Google Icon
2/13/2026First Trust Advisors LP122,800$0.73M0.0%+2.5%0.244%Search for SEC Filing on Google Icon
2/13/2026Headlands Technologies LLC15,976$95K0.0%-45.2%0.032%Search for SEC Filing on Google Icon
2/13/2026OpenArc Corporate Advisory LLC89,361$0.53M0.0%N/A0.177%Search for SEC Filing on Google Icon
2/13/2026Heron Bay Capital Management20,056$0.12M0.0%N/A0.040%Search for SEC Filing on Google Icon
2/13/2026Police & Firemen s Retirement System of New Jersey15,719$94K0.0%+88.9%0.031%Search for SEC Filing on Google Icon
2/13/2026State Street Corp877,077$5.22M0.0%+17.2%1.741%Search for SEC Filing on Google Icon
2/13/2026Ieq Capital LLC11,495$68K0.0%N/A0.023%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN48,281$0.29M0.0%+48.4%0.096%Search for SEC Filing on Google Icon
2/12/2026Jane Street Group LLC36,362$0.22M0.0%-73.8%0.072%Search for SEC Filing on Google Icon
2/12/2026MetLife Investment Management LLC24,412$0.15M0.0%+67.8%0.048%Search for SEC Filing on Google Icon
2/12/2026State Board of Administration of Florida Retirement System27,335$0.16M0.0%N/A0.054%Search for SEC Filing on Google Icon
2/12/2026Renaissance Technologies LLC2,123,813$12.64M0.0%-1.3%4.215%Search for SEC Filing on Google Icon
2/12/2026Dimensional Fund Advisors LP1,339,603$7.97M0.0%+5.3%2.658%Search for SEC Filing on Google Icon
2/12/2026EntryPoint Capital LLC35,389$0.21M0.1%N/A0.070%Search for SEC Filing on Google Icon
2/12/2026Federated Hermes Inc.237,857$1.42M0.0%+20.1%0.472%Search for SEC Filing on Google Icon
2/12/2026Haven Private LLC92,083$0.55M0.2%N/A0.183%Search for SEC Filing on Google Icon
2/11/2026Empowered Funds LLC186,185$1.11M0.0%+55.7%0.369%Search for SEC Filing on Google Icon
2/11/2026Metis Global Partners LLC42,586$0.25M0.0%-23.7%0.085%Search for SEC Filing on Google Icon
2/11/2026Cerity Partners LLC12,072$72K0.0%+18.2%0.024%Search for SEC Filing on Google Icon
2/11/2026LPL Financial LLC40,442$0.24M0.0%-21.2%0.080%Search for SEC Filing on Google Icon
2/11/2026Franklin Resources Inc.182,706$1.09M0.0%+5.2%0.363%Search for SEC Filing on Google Icon
2/11/2026Brandywine Global Investment Management LLC21,800$0.13M0.0%N/A0.043%Search for SEC Filing on Google Icon
2/11/2026O Shaughnessy Asset Management LLC1,120,329$6.67M0.0%+35.3%2.223%Search for SEC Filing on Google Icon
2/11/2026Los Angeles Capital Management LLC148,132$0.81M0.0%-45.9%0.294%Search for SEC Filing on Google Icon
2/11/2026WINTON GROUP Ltd97,159$0.58M0.0%+58.4%0.193%Search for SEC Filing on Google Icon
2/11/2026Vise Technologies Inc.40,298$0.24M0.0%N/A0.080%Search for SEC Filing on Google Icon
2/11/2026State of Wyoming53,155$0.32M0.0%+317.3%0.105%Search for SEC Filing on Google Icon
2/10/2026Goldman Sachs Group Inc.793,962$4.72M0.0%+238.4%1.576%Search for SEC Filing on Google Icon
2/10/2026AXQ Capital LP16,592$99K0.0%N/A0.033%Search for SEC Filing on Google Icon
2/9/2026Geode Capital Management LLC994,345$5.92M0.0%+1.1%1.973%Search for SEC Filing on Google Icon
2/9/2026Royce & Associates LP11,914$71K0.0%-36.4%0.024%Search for SEC Filing on Google Icon
2/9/2026Prospera Financial Services Inc185,496$1.10M0.0%-2.2%0.368%Search for SEC Filing on Google Icon
2/6/2026LSV Asset Management404,802$2.41M0.0%-27.7%0.803%Search for SEC Filing on Google Icon
2/6/2026ProShare Advisors LLC10,062$60K0.0%N/A0.020%Search for SEC Filing on Google Icon
2/5/2026Williams & Novak LLC10,560$63K0.0%N/A0.021%Search for SEC Filing on Google Icon
2/4/2026D Orazio & Associates Inc.49,807$0.30M0.0%+56.0%0.099%Search for SEC Filing on Google Icon
2/2/2026Strs Ohio99,400$0.59M0.0%-20.4%0.197%Search for SEC Filing on Google Icon
2/2/2026One Wealth Advisors LLC19,389$0.12M0.0%N/A0.038%Search for SEC Filing on Google Icon
1/29/2026China Universal Asset Management Co. Ltd.8,211$49K0.0%N/A0.016%Search for SEC Filing on Google Icon
1/28/2026Universal Beteiligungs und Servicegesellschaft mbH39,308$0.23M0.0%-80.2%0.078%Search for SEC Filing on Google Icon
1/27/2026Round Rock Advisors LLC105,042$0.57M0.1%+60.6%0.208%Search for SEC Filing on Google Icon
1/26/2026CWM LLC12,813$76K0.0%+43.6%0.025%Search for SEC Filing on Google Icon
1/26/2026PFG Investments LLC12,000$71K0.0%-20.0%0.024%Search for SEC Filing on Google Icon
1/23/2026State of Alaska Department of Revenue8,445$50K0.0%N/A0.017%Search for SEC Filing on Google Icon
1/23/2026Ritholtz Wealth Management694,001$4.13M0.1%+47.4%1.377%Search for SEC Filing on Google Icon
1/14/2026Baron Wealth Management LLC35,392$0.21M0.1%+62.6%0.070%Search for SEC Filing on Google Icon
1/8/2026Wealth Enhancement Advisory Services LLC10,144$59K0.0%N/A0.020%Search for SEC Filing on Google Icon
1/1/2026JPMorgan Chase & Co.17,285$92K0.0%-14.6%0.034%Search for SEC Filing on Google Icon
11/17/2025Virtus Advisers LLC47,172$0.25M0.2%+241.4%0.094%Search for SEC Filing on Google Icon
11/17/2025Sherbrooke Park Advisers LLC30,527$0.16M0.1%N/A0.061%Search for SEC Filing on Google Icon
11/17/2025Qube Research & Technologies Ltd155,516$0.83M0.0%+13.4%0.309%Search for SEC Filing on Google Icon
11/17/2025Prelude Capital Management LLC38,422$0.20M0.0%+15.0%0.076%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC105,633$0.56M0.0%-68.4%0.210%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.20,223$0.11M0.0%-14.9%0.040%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE44,967$0.24M0.0%-33.1%0.089%Search for SEC Filing on Google Icon
11/14/2025Lazard Asset Management LLC63,147$0.34M0.0%N/A0.125%Search for SEC Filing on Google Icon
11/14/2025Brooklyn Investment Group27,547$0.15M0.0%N/A0.055%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP56,126$0.30M0.0%-70.6%0.111%Search for SEC Filing on Google Icon
11/14/2025Bridgeway Capital Management LLC433,561$2.30M0.0%+113.8%0.861%Search for SEC Filing on Google Icon
11/14/2025Squarepoint Ops LLC21,334$0.11M0.0%+19.9%0.042%Search for SEC Filing on Google Icon
11/13/2025Kennedy Capital Management LLC867,630$4.61M0.1%-12.1%1.722%Search for SEC Filing on Google Icon
11/13/2025Arrowstreet Capital Limited Partnership464,734$2.47M0.0%+2.9%0.923%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG376,091$2M0.0%+37.2%0.747%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets8,056$43K0.0%+39.7%0.016%Search for SEC Filing on Google Icon
11/13/2025Mackenzie Financial Corp175,210$0.93M0.0%-15.6%0.348%Search for SEC Filing on Google Icon
11/13/2025Franklin Resources Inc.173,698$0.92M0.0%+881.8%0.345%Search for SEC Filing on Google Icon
11/13/2025WINTON GROUP Ltd61,324$0.33M0.0%N/A0.122%Search for SEC Filing on Google Icon
11/13/2025Russell Investments Group Ltd.964,693$5.12M0.0%+4,823,365.0%1.915%Search for SEC Filing on Google Icon
11/13/2025First Trust Advisors LP119,779$0.64M0.0%N/A0.238%Search for SEC Filing on Google Icon
11/12/2025Dimensional Fund Advisors LP1,271,878$6.75M0.0%+10.6%2.525%Search for SEC Filing on Google Icon
11/10/2025Hillsdale Investment Management Inc.77,800$0.41M0.0%-8.3%0.154%Search for SEC Filing on Google Icon
11/10/2025D Orazio & Associates Inc.31,933$0.17M0.0%+112.5%0.063%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.3,691,720$19.60M0.0%-0.4%7.329%Search for SEC Filing on Google Icon
11/7/2025JPMorgan Chase & Co.17,285$92K0.0%-14.6%0.034%Search for SEC Filing on Google Icon
11/6/2025LSV Asset Management559,921$2.97M0.0%+4.5%1.112%Search for SEC Filing on Google Icon
11/6/2025Caprock Group LLC11,768$59K0.0%N/A0.023%Search for SEC Filing on Google Icon
11/4/2025State of Wyoming12,737$68K0.0%N/A0.025%Search for SEC Filing on Google Icon
11/3/2025Federated Hermes Inc.197,981$1.05M0.0%-2.2%0.393%Search for SEC Filing on Google Icon
10/31/2025Perkins Capital Management Inc.12,200$65K0.1%N/A0.024%Search for SEC Filing on Google Icon
10/31/2025PFG Investments LLC15,000$80K0.0%-25.0%0.030%Search for SEC Filing on Google Icon
10/30/2025Strs Ohio124,900$0.66M0.0%-15.2%0.248%Search for SEC Filing on Google Icon
10/30/2025Universal Beteiligungs und Servicegesellschaft mbH198,508$1.05M0.0%+405.0%0.394%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Puma Biotechnology logo
Puma Biotechnology, Inc., a biopharmaceutical company, focuses on the development and commercialization of products to enhance cancer care in the United States and internationally. The company offers NERLYNX, an oral version of neratinib that is used to treat adult patients with early stage HER2-overexpressed/amplified breast cancer; and advanced or metastatic HER2-positive breast cancer when combined with capecitabine. It also develops alisertib, a small molecule inhibitor of aurora kinase A for the treatment of hormone receptor positive breast cancer, triple negative breast cancer, small cell lung cancer, and head and neck cancer. The company sells its products through specialty pharmacy and distributor networks. It has license agreements with Pfizer Inc. for the development, manufacture, and commercialization of neratinib (oral), neratinib (intravenous), PB357, and related compounds; and Takeda Pharmaceutical Company Limited for the research, development, and commercialization of alisertib, as well as sub-license agreements with Specialised Therapeutics Asia Pte Ltd., Medison Pharma Ltd., Pint Pharma International SA, Knight Therapeutics, Inc., Pierre Fabre Medicament SAS, and Bixink Therapeutics Co., Ltd. The company was founded in 2010 and is headquartered in Los Angeles, California.
Read More on Puma Biotechnology

Today's Range

Now: $6.16
Low: $6.20
High: $6.45

50 Day Range

MA: $6.53
Low: $5.70
High: $7.68

52 Week Range

Now: $6.16
Low: $2.58
High: $7.68

Volume

180,173 shs

Average Volume

444,813 shs

Market Capitalization

$313.52 million

P/E Ratio

10.24

Dividend Yield

N/A

Beta

1.26

Who are the company insiders with the largest holdings of Puma Biotechnology?

Puma Biotechnology's top insider shareholders include:
  1. Alan H Auerbach (CEO)
  2. Alan H Auerbach (Insider)
  3. Douglas M Hunt (Insider)
  4. Maximo F Nougues (CFO)
  5. Jeffrey Jerome Ludwig (Insider)
  6. Alvin F Wong (Insider)
  7. Brian M Stuglik (Director)
  8. Richard Paul Bryce (Insider)
  9. Allison Dorval (Director)
  10. Alessandra Cesano (Director)
Learn More about top insider investors at Puma Biotechnology.

Who are the major institutional investors of Puma Biotechnology?

Puma Biotechnology's top institutional investors include:
  1. Renaissance Technologies LLC — 4.21%
  2. Dimensional Fund Advisors LP — 2.66%
  3. O Shaughnessy Asset Management LLC — 2.22%
  4. Geode Capital Management LLC — 1.97%
  5. State Street Corp — 1.74%
  6. Goldman Sachs Group Inc. — 1.58%
Learn More about top institutional investors of Puma Biotechnology stock.

Which major investors are selling Puma Biotechnology stock?

Within the last quarter, PBYI stock was sold by these institutional investors:
  1. Russell Investments Group Ltd.
  2. Universal Beteiligungs und Servicegesellschaft mbH
  3. LSV Asset Management
  4. Los Angeles Capital Management LLC
  5. Jane Street Group LLC
  6. Millennium Management LLC
  7. Renaissance Technologies LLC
  8. Strs Ohio
During the previous year, company insiders that have sold Puma Biotechnology company stock include:
  1. Alan H Auerbach (CEO)
  2. Alan H Auerbach (Insider)
  3. Douglas M Hunt (Insider)
  4. Maximo F Nougues (CFO)
  5. Jeffrey Jerome Ludwig (Insider)
  6. Alvin F Wong (Insider)
  7. Brian M Stuglik (Director)
  8. Richard Paul Bryce (Insider)
  9. Allison Dorval (Director)
Learn More investors selling Puma Biotechnology stock.

Which major investors are buying Puma Biotechnology stock?

During the previous quarter, PBYI stock was bought by institutional investors including:
  1. Goldman Sachs Group Inc.
  2. AQR Capital Management LLC
  3. Bridgeway Capital Management LLC
  4. O Shaughnessy Asset Management LLC
  5. Ritholtz Wealth Management
  6. State Street Corp
  7. Haven Private LLC
  8. OpenArc Corporate Advisory LLC

Puma Biotechnology Active Insiders

Alan H Auerbach
Alan H Auerbach (Age 56)
CEO
2 recent trades
Maximo F Nougues
Maximo F Nougues (Age 57)
CFO
Ann Calby Miller
Ann Calby Miller
Director
Douglas M Hunt
Douglas M Hunt (Age 61)
Insider
2 recent trades
Alvin F Wong
Insider