definiens: means ( a ) with respect to any [COMPANY] Compound or Joint ProgramCompound that becomes a Waived Compound as a result of the exercise by Beryllium of its Early Stage Opt - OutRight, * * * ; ( b ) with respect to any Collaboration Compound that becomes a Waived Compound as a result of theexercise by Beryllium of its Mid Stage Opt - Out Right, * * * ; ( c ) with respect to any Collaboration Compound thatbecomes a Waived Compound as a result of the exercise by Beryllium of its Late Stage Opt - Out Right, * * * ; and ( d)with respect to any Collaboration Compound that becomes a Deemed Waived Compound pursuant to Section 4.8.3 ( i)at any time prior to the Lead Optimization Completion Date with respect to that Collaboration Compound, * * * ; ( ii ) atany time on or after the Lead Optimization Completion Date but prior to the Completion of GLP / Toxicity Studies withrespect to that Collaboration Compound, * * * ; and ( iii ) at any time on or after the Completion of GLP / Toxicity Studieswith respect to that Collaboration Compound, * * *