Vaxcyte exercises option for manufacturing rights; pays $50M upfront

(“Vaxcyte”) entered into an option grant agreement (the “Option Agreement”) with Sutro Biopharma, Inc. (“Sutro,” and together with Vaxcyte, the “Companies”), pursuant to which Vaxcyte acquired from Sutro (i) authorization to enter into an agreement with an independent alternate contract manufacturing organization (“CMO”) to directly source Sutro’s cell-free extract (“Extract”), allowing Vaxcyte to have direct oversight over financial and operational aspects of the relationship with the CMO; and (ii) a right, but not an obligation, to obtain certain exclusive rights to internally manufacture and/or source Extract from certain CMOs and the right to independently develop and make improvements to Extract (including the right to make improvements to the Extract manufacturing process as well as cell lines) for use in connection with the exploitation of certain vaccine compositions (the “Option