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Gilead Sciences Secures Exclusive Option To Acquire Pionyr Immunotherapeutics

  – Gilead to Acquire 49.9% Equity Interest in Pionyr and Exclusive Option for $275 Million – – Gilead to Provide Funding for Pionyr’s Clinical Programs and Will Have the Right to Acquire

Benzinga · -

 

Gilead to Acquire 49.9% Equity Interest in Pionyr and Exclusive Option for $275 Million

Gilead to Provide Funding for Pionyr’s Clinical Programs and Will Have the Right to Acquire Remainder of Pionyr for a $315 Million Option Exercise Fee

Pionyr Eligible to Receive up to $1.15 Billion in Future Milestone Payments Upon Achievement of Certain Development and Regulatory Milestones

FOSTER CITY, Calif. & SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)-- Gilead Sciences, Inc. (NASDAQ:GILD) announced today that for $275 million the company will acquire a 49.9 percent equity interest in Pionyr Immunotherapeutics Inc., a privately held company developing first-in-class cancer immunotherapies, and an exclusive option to purchase the remainder of Pionyr. Under the agreement, Pionyr’s shareholders may receive up to an additional $1.47 billion in option exercise fees and future milestone payments.

This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20200623005314/en/

Pionyr’s Myeloid Tuning™ therapies have the potential to treat patients who currently do not benefit from checkpoint inhibitor therapies. PY314 and PY159 have demonstrated preclinical efficacy, suggesting potential in solid tumors in combination with established anti-PD(L)-1 agents. Pionyr plans to file investigational new drug (IND) applications with the U.S. Food and Drug Administration for both PY314 and PY159 in the third quarter of this year. Pending Phase 1b results from either candidate – or sooner if Gilead chooses – Gilead can exercise its exclusive option to acquire the remainder of Pionyr.

“Pionyr is pursuing promising, novel biology in the field of immuno-oncology,” said Daniel O’Day, Chairman and Chief Executive Officer, Gilead Sciences. “The agreement represents important progress as we continue to build out Gilead's presence in immuno-oncology with innovative and complementary approaches. We look forward to seeing the programs advance with the goal of developing new therapies that will improve the treatment of cancer.”

“This agreement underscores the value of our myeloid tuning platform and the potential of our pipeline of antibody therapeutics designed to turbocharge the immune system within the tumor microenvironment,” said Steven P. James, President and Chief Executive Officer, Pionyr. “PY314 and PY159 are first-in-class antibodies designed to remove or reprogram, respectively, the immune suppressive cells in the tumor microenvironment and thereby enhance anti-tumor immunity. We are grateful that Gilead has acknowledged the promise of this transformational approach to potentially benefit patients across a range of solid tumors.”

Terms of the Agreement

Under the terms of the agreement, Pionyr’s shareholders will receive $275 million upon closing. Gilead will receive 49.9 percent of the common stock of Pionyr and an exclusive option to purchase the remaining equity. Gilead may exercise its exclusive option upon completion of Phase 1b studies for PY314 and PY159, or at an earlier time if Gilead chooses to do so, for a $315 million option exercise fee and up to $1.15 billion in potential future milestone payments. In addition, Gilead will provide Pionyr with additional funding for the PY314 and PY159 clinical programs, as well as ongoing research and development programs.

The transaction is subject to customary closing conditions and is expected to close shortly.

Gilead will have the right to nominate one individual to Pionyr’s Board of Directors upon closing of the transaction. In addition, Gilead and the other stockholders of Pionyr will jointly select and nominate one independent individual to Pionyr’s Board of Directors.

BofA Securities is acting as financial advisor to Gilead. Centerview Partners LLC is acting as financial advisor to Pionyr.