definiens: means any transaction or series of related transactions involving ( other than the Aspen Legacy Transaction):(a ) any merger, consolidation, amalgamation, share exchange, business combination, issuance of securities, acquisition ofsecurities, reorganization, recapitalization, tender offer, exchange offer or other similar transaction : ( i ) in which a Party is a constituent Entity,(ii ) in which a Person or ( as defined in the Exchange Act and the rules promulgated thereunder ) of Persons directly or indirectlyacquires beneficial or record ownership of securities representing more than 20 % of the outstanding securities of any class of voting securitiesof a Party or any of its Subsidiaries or ( iii ) in which a Party or any of its Subsidiaries issues securities representing more than 20 % of theoutstanding securities of any class of voting securities of such Party or any of its Subsidiaries ; or(b ) any sale, lease, exchange, transfer, license, acquisition or disposition of any business or businesses or assets thatconstitute or account for 20 % or more of the consolidated book value or the fair market value of the assets of a Party and its Subsidiaries, taken as a whole, other than the sale, divestiture and/or winding down of the Aspen Legacy Business or the sale, license or other dispositionof any or all of the Aspen Legacy Assets by Aspen