Michael Barkin, Board Member at Clear Secure (NYSE:YOU), executed a substantial insider sell on August 28, according to an SEC filing. What Happened: Barkin’s decision to sell 25,000 shares of Clear Secure was revealed in a Form 4 filing with the U.S. Securities and Exchange Commission on Wednesday. The total value of the sale is $716,001. Clear Secure shares are trading up 0.76% at $29.0 at the time of this writing on Thursday morning. Delving into Clear Secure’s BackgroundClear Secure Inc is an identity company making experiences safer and easier digitally and physically. It is involved in t…