Puma Biotechnology, Inc., a biopharmaceutical company, focuses on the development and commercialization of products to enhance cancer care in the United States and internationally. It 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. The company 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. It sells its products through specialty pharmacy and distributor networks. The company has license agreements with Pfizer Inc. for the development, manufacture, and commercialization of neratinib (oral), neratinib (intravenous), PB357, and related compounds, 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. Puma Biotechnology, Inc. was founded in 2010 and is headquartered in Los Angeles, California. Show more

10880 Wilshire Boulevard, Los Angeles, CA, 90024, United States

https://www.pumabiotechnology.com

Biotechnology

Healthcare

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Market Cap

300.2M

52 Wk Range

$2.58 - $7.68

Previous Close

$5.90

Open

$6.00

Volume

227,112

Day Range

$5.97 - $6.13

Enterprise Value

231.2M

Cash

97.53M

Avg Qtr Burn

N/A

Insider Ownership

15.64%

Institutional Own.

72.86%

Qtr Updated

12/31/25

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Drug & Indication	Stage & Event	Catalyst Date
NERLYNX Details Breast cancer, Cancer, ER+/HER2- breast cancer, Solid tumor/s	Approved Quarterly sales	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
NERLYNX Details Breast cancer, Sexual desire disorder, Sexual dysfunction	Approved Quarterly sales	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Alisertib Details ER+/HER2- breast cancer, Breast cancer, Cancer	Phase 2 Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Alisertib Details Cancer, Small cell lung cancer	Phase 2 Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Trastuzumab Emtansine (T-DM1) With Neratinib Details Breast cancer	Phase 2 Update	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Alisertib (2 combo trials) Details Breast cancer, ER+/HER2- breast cancer	Phase 2 Update	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Neratinib Details Lung cancer, Non-small cell lung carcinoma	Phase 2 Update	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Neratinib (HKI-272) + fulvestrant + trastzuzumab Details Metastatic breast cancer, Breast cancer, Metastatic breast cancer to brain	Phase 2 Update	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Neratinib Details Cervical cancer, Infectious disease, Catheter related blood stream infections	Phase 2 Update	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Neratinib Details Bile duct disease, Cancer	Phase 2 Update	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Alisertib Details Cancer, Non-small cell lung carcinoma	Phase 1/2 Update	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Alisertib+pembrolizumab Details Head and neck squamous cell carcinoma, Cancer	Phase 1/2 Update	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.