Stocks › PBYI

PUMA BIOTECHNOLOGY, INC.

PBYI·Nasdaq·United States United States·USD
$9.81
+0.31 (+3.26%)
Close · Oct 7, 2026 · Close Prices from Tiingo.com
PBYI
PUMA BIOTECHNOLOGY, INC. · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
PBYIS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
Loading price history…
Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair

Congressional Trades

Recent trades of PBYI by members of U.S. Congress · 7 on record
All congressional trades →
PoliticianStockTypeFiledTraded
Donna ShalalaDonna ShalalaHouse · D · FL PBYIPUMA BIOTECHNOLOGY, INC. · Stock Sale
$1,001 - $15,000
Apr 27, 2020 May 15, 2019 Filing ↗
Donna ShalalaDonna ShalalaHouse · D · FL PBYIPUMA BIOTECHNOLOGY, INC. · Stock Purchase
$1,001 - $15,000
Apr 27, 2020 Jan 23, 2019 Filing ↗
Nick J. RahallNick J. RahallHouse · D · WV PBYIPUMA BIOTECHNOLOGY, INC. · Stock Sale
$1,001 - $15,000
Oct 13, 2014 Sep 26, 2014 Filing ↗
Nick J. RahallNick J. RahallHouse · D · WV PBYIPUMA BIOTECHNOLOGY, INC. · Stock Purchase
$1,001 - $15,000
Oct 13, 2014 Sep 10, 2014 Filing ↗
Nick J. RahallNick J. RahallHouse · D · WV PBYIPUMA BIOTECHNOLOGY, INC. · Stock Purchase
$15,001 - $50,000
Aug 14, 2014 Jul 24, 2014 Filing ↗
Nick J. RahallNick J. RahallHouse · D · WV PBYIPUMA BIOTECHNOLOGY, INC. · Stock Purchase
$1,001 - $15,000
Aug 14, 2014 Jul 30, 2014 Filing ↗
Nick J. RahallNick J. RahallHouse · D · WV PBYIPUMA BIOTECHNOLOGY, INC. · Stock Sale
$15,001 - $50,000
Aug 14, 2014 Jul 23, 2014 Filing ↗

Whale Activity

Position changes in PBYI reported for 2026-06-30 by 8 tracked institutional filers
Increased: 4Decreased: 3Closed: 1
  • Increased4
  • New0
  • Held0
  • Decreased3
  • Closed1
  • No prior filing0
FilerSharesValueChange
BlackRock, Inc.3.8M$30.9Mincreased
RENAISSANCE TECHNOLOGIES LLC1.8M$14.9Mdecreased
VANGUARD CAPITAL MANAGEMENT LLC1.8M$14.9Mincreased
VANGUARD PORTFOLIO MANAGEMENT LLC1.8M$14.8Mincreased
MILLENNIUM MANAGEMENT LLC602.2K$4.9Mdecreased
D. E. Shaw & Co., Inc.316.3K$2.6Mdecreased
TWO SIGMA INVESTMENTS, LP140.6K$1.1Mincreased
Citadel Advisors LLC0$0closed

KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.

Insider Trading

Net shares bought (+) or sold (−) on the open market by PBYI insiders, by quarter · Form 4
-200.0K-100.0K0100.0K200.0K2025 Q1: -62.1K2025 Q12025 Q2: -91.7K2025 Q22025 Q3: -91.5K2025 Q32025 Q4: -20.0K2025 Q42026 Q1: -54.9K2026 Q12026 Q2: -79.5K2026 Q22026 Q3: -129.1K2026 Q32026 Q4: 02026 Q4

Recent Insider Transactions

448 transactions on record · newest first
All insider activity →
InsiderTypeSharesPriceValueDate
WILSON TROY EDWARDDirector · Director Sale −5,000 $9.10 $46K Sep 14, 2026 Form 4 ↗
Cesano AlessandraDirector · Director Sale −62.1K $9.12 $567K Sep 14, 2026 Form 4 ↗
AUERBACH ALAN HPresident and CEO · Director Sale −44.1K $8.26 $364K Jul 6, 2026 Form 4 ↗
HUNT DOUGLAS MSee Remarks Sale −8,460 $8.26 $70K Jul 6, 2026 Form 4 ↗
NOUGUES MAXIMO FChief Financial Officer Sale −9,386 $8.26 $78K Jul 6, 2026 Form 4 ↗
WILSON TROY EDWARDDirector Sale −10.8K $7.20 $78K Jun 12, 2026 Form 4 ↗
Stuglik Brian MDirector Sale −8,100 $7.20 $58K Jun 12, 2026 Form 4 ↗
Senderowicz AdrianDirector Sale −27.0K $7.20 $194K Jun 12, 2026 Form 4 ↗
MOYES JAY MDirector Sale −22.0K $7.22 $159K Jun 12, 2026 Form 4 ↗
Dorval AllisonDirector Sale −11.6K $7.20 $84K Jun 12, 2026 Form 4 ↗
WILSON TROY EDWARDDirector Grant / award +27.0K $0.00 $0 Jun 11, 2026 Form 4 ↗
Stuglik Brian MDirector Grant / award +27.0K $0.00 $0 Jun 11, 2026 Form 4 ↗
Senderowicz AdrianDirector Grant / award +27.0K $0.00 $0 Jun 11, 2026 Form 4 ↗
MILLER MICHAEL PATRICKDirector Grant / award +27.0K $0.00 $0 Jun 11, 2026 Form 4 ↗
MOYES JAY MDirector Grant / award +27.0K $0.00 $0 Jun 11, 2026 Form 4 ↗
Dorval AllisonDirector Grant / award +27.0K $0.00 $0 Jun 11, 2026 Form 4 ↗
Cesano AlessandraDirector Grant / award +27.0K $0.00 $0 Jun 11, 2026 Form 4 ↗
AUERBACH ALAN HPresident and CEO · Director · 10% owner Grant / award +159.8K $0.00 $0 Feb 18, 2026 Form 4 ↗
HUNT DOUGLAS MSee Remarks Grant / award +49.4K $0.00 $0 Feb 18, 2026 Form 4 ↗
NOUGUES MAXIMO FChief Financial Officer Grant / award +46.7K $0.00 $0 Feb 18, 2026 Form 4 ↗

Fund Holders

Mutual funds and ETFs holding PBYI · SEC Form N-PORT
FundSharesValue% of fundAs of
Avantis U.S. Small Cap Value ETF
American Century ETF Trust
1.9M$13.8M0.05%May 31, 2026
VANGUARD TOTAL STOCK MARKET INDEX FUND
VANGUARD INDEX FUNDS
1.3M$10.9M0.00%Jun 30, 2026
iShares Russell 2000 ETF
iShares Trust
1.2M$9.5M0.01%Jun 30, 2026
VANGUARD EXPLORER FUND777.4K$6.2M0.03%Jul 31, 2026
VANGUARD STRATEGIC EQUITY FUND
VANGUARD HORIZON FUNDS
540.4K$4.4M0.04%Jun 30, 2026
Fidelity Small Cap Index Fund
Fidelity Salem Street Trust
484.0K$3.8M0.01%Jul 31, 2026
VANGUARD EXTENDED MARKET INDEX FUND
VANGUARD INDEX FUNDS
437.7K$3.6M0.00%Jun 30, 2026
iShares Russell 2000 Value ETF
iShares Trust
336.3K$2.7M0.02%Jun 30, 2026
Small Cap Value Fund
Northern Funds
267.9K$2.2M0.32%Jun 30, 2026
Small-Cap Value Fund
Bridgeway Funds, Inc.
249.2K$2.0M0.59%Jun 30, 2026

Mutual funds and ETFs whose N-PORT filings list PBYI's shares (CUSIP 74587V107), each fund at its latest report since Mar 8, 2026, largest positions first. Bonds, options and short positions are left out.

Activist & Passive Stakes

Schedule 13D / 13G beneficial-ownership filings
  • Alan H. AuerbachSCHEDULE 13D/A · activist (13D) · 8.6M shares16.0%
    Oct 6, 2026 · ↗
  • Acorn Capital Advisors GP 2, LLCSCHEDULE 13G/A · passive (13G) · 1.9M shares3.9%
    Nov 14, 2024 · ↗
  • Anders HoveSCHEDULE 13G/A · passive (13G) · 3.3M shares6.7%
    Nov 14, 2024 · ↗
  • ACORN CAPITAL ADVISORS GP, LLCSCHEDULE 13G/A · passive (13G) · 1.4M shares2.8%
    Nov 14, 2024 · ↗
  • ACORN BIOVENTURES 2, L.P.SCHEDULE 13G/A · passive (13G) · 1.9M shares3.9%
    Nov 14, 2024 · ↗
  • ACORN BIOVENTURES, L.P.SCHEDULE 13G/A · passive (13G) · 1.4M shares2.8%
    Nov 14, 2024 · ↗

Corporate Lobbying

Estimated quarterly lobbying spending reported under the LDA, filings naming PUMA BIOTECHNOLOGY, INC. as client

No lobbying filings found naming PUMA BIOTECHNOLOGY, INC. as the client.

Government Contracts

Federal awards to PUMA BIOTECHNOLOGY, INC. · USAspending

No federal contract awards found for PUMA BIOTECHNOLOGY, INC..

U.S. Patents

Recent USPTO applications naming PUMA BIOTECHNOLOGY, INC.

No USPTO patent applications found for PUMA BIOTECHNOLOGY, INC..

Annual Financials

From PBYI's 10-K filings · XBRL

No annual XBRL figures on record for PBYI. KeyVex's fundamentals cover about 130 large companies so far.

Stock Splits

Every split and reverse split in the price history

No stock splits in PBYI's price history.

Material Events (8-K)

Corporate events filed with the SEC
  • 8-K · Items 2.02, 9.01Results of operationsAug 6, 2026
    EDGAR ↗
  • 8-K · Items 5.07Shareholder voteJun 16, 2026
    EDGAR ↗
  • 8-K · Items 2.02, 9.01Results of operationsMay 7, 2026
    EDGAR ↗

About PUMA BIOTECHNOLOGY, INC.

From SEC EDGAR company records
Industry (SIC 2834)Pharmaceutical Preparations
SectorHealthcare
HeadquartersLOS ANGELES, CA
IncorporatedDE
Former namesINNOVATIVE ACQUISITIONS CORP