Page 8 of 13 – SEC Filing
| CUSIP No. 74587V107 | 13G | Page 8 of 13 Pages |
| Item 1(a) | Name of Issuer |
Puma Biotechnology, Inc.
| Item 1(b) | Address of Issuer’s Principal Executive Offices 10880 Wilshire Boulevard, Suite 2150, Los Angeles, California 90024 |
| Item 2(a) | Name of Person Filing This Schedule 13G is being jointly filed by Partner Fund Management, L.P. (“PFM”), Partner Fund Management GP, LLC (“PFM-GP”), Partner Investment Management, L.P. (“PIM”), Partner Investment Management GP, LLC (“PIM-GP”), Brian D. Grossman (“Grossman”) and Christopher M. James (“James” and, collectively with PFM, PFM-GP, PIM, PIM-GP and Grossman, the “Reporting Persons”) with respect to shares of common stock (and options to purchase common stock) of the above-named issuer owned by PFM Healthcare Emerging Growth Master Fund, L.P., a Cayman Islands limited partnership (“HEGM”), PFM Global Long Alpha Master Fund, L.P., a Cayman Islands limited partnership (“GLAM”), PFM Healthcare Master Fund, L.P., a Cayman Islands limited partnership (“HCM”), PFM Healthcare Opportunities Master Fund, L.P., a Cayman Islands limited partnership (“HCOPP”), PFM Healthcare Long Master Fund, L.P., a Cayman Islands limited partnership (“HCLM”), PFM Oncology Opportunities Master Fund, L.P., a Cayman Islands limited partnership (“ONCOPP”), PFM Diversified Master Fund, L.P., a Cayman Islands limited partnership (“DM”), PFM Diversified Institutional Master Fund, L.P., a Cayman Islands limited partnership (“DI”), PFM Healthcare Principals Fund, L.P., a Delaware limited partnership (“HCP”), and PFM Diversified Principals Fund, L.P., a Delaware limited partnership (“DP” and, collectively with HEGM, GLAM, HCM, HCOPP, HCLM, ONCOPP, DM, DI and HCP, the “Funds”). |
| PFM is the investment advisor for HEGM, GLAM, HCM, HCOPP, HCLM, ONCOPP, DM and DI. PIM is the investment advisor for HCP and DP. PFM-GP and PIM-GP are, respectively, the general partners of PFM and PIM. Grossman is the portfolio manager for the health care strategy for the Funds. James is the portfolio manager for the diversified strategy for the Funds. Grossman and James are co-managing members of PFM-GP and PIM-GP. |
| The filing of this statement shall not be construed as an admission that any of the Reporting Persons is the beneficial owner of any securities covered by the statement other than the securities actually owned by such person (if any). |
| Item 2(b) | Address of Principal Business Office The address of the principal business office of each of the Reporting Persons is c/o Partner Fund Management, L.P., 4 Embarcadero Center, Suite 3500, San Francisco, CA 94111. |
| Item 2(c) | Citizenship Each of PFM and PIM is organized as a limited partnership under the laws of the State of Delaware. Each of PFM-GP and PIM-GP is organized as a limited liability company under the laws of the State of Delaware. Each of Grossman and James is a U.S. citizen. |
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