SpaceX~$1TSpaceX~$1T
Insider Buying
Subscribe
All stock lists

Puma Biotechnology, Inc. (NASDAQ:PBYI)

US · Delayed Price · Currency is USD
9.81+0.31 (+3.26%)
 
Market Cap499.32M+87.6%
Revenue (ttm)231.24M-2.9%
Net Income26.72M-44.9%
EPS0.52-47.3%
Shares Out50.90M
PE Ratio18.30
Forward PE49.05
Dividendn/a
Ex-Dividend Daten/a
Volume375,312
Open9.55
Previous Close9.50
Day's Range9.41 - 9.96
52-Week Range4.58 - 10.10
Beta1.21
AnalystsBuy
Price Targetn/a
Earnings DateNov 5, 2026
Insider Score
––Not scored
PBYI Insider Score

Insiders filed in the last 90 days, but none of those trades qualified for scoring — round-trip buys and filings whose price is far off the market are excluded.

About PBYI

Puma Biotechnology, Inc. is a biopharmaceutical company dedicated to the global development and commercialization of treatments aimed at advancing cancer care. Its lead drug candidate, orally administered neratinib (PB272), targets a range of indications. These include patients with early-stage HER2-overexpressed/amplified breast cancer, as well as adults suffering from advanced or metastatic HER2-positive breast cancer when used in combination with capecitabine. Furthermore, PB272 is being explored for solid tumors exhibiting HER2 mutations. The company holds a licensing agreement with Pfizer, Inc. for this drug and has established sub-licensing partnerships with Specialised Therapeutics Asia Pte Ltd., CANbridge BIOMED Limited, Pint Pharma International SA, Knight Therapeutics, Inc., Pierre Fabre Medicament SAS, and Bixink Therapeutics Co., Ltd. Established in 2010, Puma Biotechnology maintains its headquarters in Los Angeles, California.

Address
10880 Wilshire Boulevard, Los Angeles, CA, 90024, US
Market Cap
499 million
Employees
179
Industrial Classification
Biotechnology

What Are Insiders Doing?

Open-market buy / sell balanceNet Selling
Sold
$2.12M
Bought
$0

View the trades behind this meter — each links to its SEC Form 4 →

Open-market Form 4 purchases (code P) vs sales (code S) on file for this company. Grants, option exercises and tax withholdings are excluded. Informational only.

1 Day
+3.26%
5 Days
-1.31%
1 Month
+4.47%
6 Months
+30.63%
1 Year
+87.57%

$PBYI stock is featured in our Insider Score Rankings, and Insider Trades datasets.

→ All Stock Lists

Recently reported changes in PBYI holdings by institutional investors

Scanning latest 13F filings…

Latest 0 13F filings · Source: SEC EDGAR

View all institutional owners →

Insider Trading

Quarterly net insider trading by PBYI's directors and management

Net Shares Purchased by Insiders−200k−100k02025Q42026Q12026Q22026Q32026Q4

Source: SEC EDGAR (Form 4)

Corporate Lobbying

PBYI Estimated quarterly lobbying spending

Source: U.S. Senate LDA

PBYI Revenue by Segment

$15.13MTotal
SegmentRevenue% of All
Commercialization$11.28M74.56%
Stock-based compensation$3.85M25.44%

As of: Q2 2026 (Jun 30, 2026) · Source: SEC EDGAR (10-Q)

U.S. Patents

New PBYI patent grants

Loading patent grants…

Source: USPTO Open Data Portal

Government Contracts

Estimated quarterly amount awarded to PBYI from public contracts

Source: USAspending.gov

Top ETF Holders

ETFs with the largest estimated holdings in PBYI

ETFEst. Holding Size
AVUVAvantis U.S. Small Cap Value ETF$22.77M
VTIVanguard Morningstar Total Stock Market ETF$12.24M
IWMiShares Russell 2000 ETF$11.31M
VXFVanguard Extended Market ETF$4.19M
DFATDimensional - US Targeted Value ETF$3.79M
DFASDimensional - US Small Cap ETF$3.72M

Estimated from each fund’s disclosed top holdings × AUM

PBYI Insider Score

Our composite score: insider buying, sector, volume, tone & dilution

Members only

The live Insider Score for PBYI is included with Insider Access.

Unlock Insider Score

Bull Case vs Bear Case

AI-generated from PBYI’s recent data — informational, not investment advice

Generating analysis…

Insider Score

Our 0–100 Insider Score and the signals behind it.

Members only

The live Insider Score and its full factor breakdown are included with Insider Access.

Unlock Insider Score

Recent Insider Activity

Buys
0
Sells
17
Buy Value
$0
Distinct Buyers
0

Frequently Asked Questions

Disclaimer — Informational only — not investment advice. Insider transaction data is sourced from SEC Form 4 filings; market data from public feeds and may be delayed. The Insider Score is a proprietary score for research purposes and does not predict future performance. Always do your own research.
Puma Biotechnology, Inc. (PBYI) Insider Trading, Form 4 Buys & Sells | InsiderBuying.com