Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-35703 PUMA BIOTECHNOLOGY, INC. (Exact name of registrant as specified in its charter) Delaware 77-0683487 (State or othe ...

Exhibit 99.1 News Release Puma Biotechnology Reports First Quarter Financial Results LOS ANGELES, Calif., May 2, 2024 - Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the first quarter ended March 31, 2024. Unless otherwise stated, all comparisons are for the first quarter 2024 compared to the first quarter 2023. Product revenue, net consists entirely of revenue from sales of NERLYNX®, Puma’s first commercial product. Product revenue, net in the first q ...

Puma Biotechnology Earnings Call Commercial Update February 29, 2024 Forward-Looking Safe-Harbor Statement This presentation contains forward-looking statements, including statements regarding commercialization of NERLYNX® and the potential indications and development of our drug candidates. All forward-looking statements involve risks and uncertainties that could cause our actual results to differ materially from the anticipated results and expectations expressed in these forward-looking statements. These ...

Puma Biotechnology, Inc. (NASDAQ:PBYI) Q4 2023 Earnings Conference Call February 29, 2024 4:30 PM ET Company Participants Mariann Ohanesian - Senior Director, Investor Relations Alan Auerbach - Chief Executive Officer, President & Chairman Jeff Ludwig - Chief Commercial Officer Maximo Nougues - Chief Financial Officer Conference Call Participants Divya Rao - TD Cowen Operator Good afternoon. My name is Alicia, and I'll be your conference call operator today. At this time, all participants are in a listen-on ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-35703 PUMA BIOTECHNOLOGY, INC. (Exact name of registrant as specified in its charter) Delaware 77-0683487 (State o ...

Exhibit 99.1 News Release Puma Biotechnology Reports Fourth Quarter and Full Year 2023 Financial Results LOS ANGELES, Calif., Feb. 29, 2024 — Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the fourth quarter and year ended December 31, 2023. Unless otherwise stated, all comparisons are for the fourth quarter and full year 2023 compared to the fourth quarter and full year 2022. Product revenue, net consists entirely of revenue from sales of NERLYNX®, Pum ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-35703 PUMA BIOTECHNOLOGY, INC. (Exact name of registrant as specified in its charter) Delaware 77-0683487 (State or ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-35703 PUMA BIOTECHNOLOGY, INC. (Exact name of registrant as specified in its charter) Delaware 77-0683487 (State or other ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-35703 PUMA BIOTECHNOLOGY, INC. (Exact name of registrant as specified in its charter) Delaware 77-0683487 (State or othe ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-35703 PUMA BIOTECHNOLOGY, INC. (Exact name of registrant as specified in its charter) Delaware 77-0683487 (State o ...