Welcome to our dedicated page for Puma Biotechnology SEC filings (Ticker: PBYI), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Puma Biotechnology SEC filings document an oncology biopharmaceutical business whose reported net product revenue comes from sales of NERLYNX®, its commercial oral neratinib product for HER2-positive breast cancer. Form 8-K reports furnish quarterly and annual operating results, financial-condition updates and exhibit press releases, including disclosures on revenue categories, cost of sales and guidance.
Proxy materials cover board matters, executive compensation and equity-award information, while material-event filings record governance actions such as amendments to the company’s bylaws. The filing record also provides formal context for common stock listed on the Nasdaq Global Select Market and development disclosures related to alisertib and Puma’s oncology programs.
Puma Biotechnology, Inc. (Nasdaq: PBYI) filed a Form 8-K announcing that its Board of Directors approved and adopted Fifth Amended and Restated Bylaws on June 19, 2025. The revisions align the company’s corporate governance documents with recent updates to Delaware corporate law and include conforming and ministerial edits. No changes to the company’s fiscal year, capital structure, or financial guidance were disclosed. The amended bylaws are filed as Exhibit 3.1 and incorporated by reference.