<p style="text-align:start;" size="0" _root="undefined" __ownerid="undefined" __hash="undefined" __altered="false"><span style="color:#000000">The stock closed at $40.43, a 30% gain that puts Clear’s market cap at $5.8 billion and gives cofounder and CEO Caryn Seidman-Becker a stake worth approximately $826 million. </span></p>