Gary Kramer, President & CEO at Barrett Bus Servs (NASDAQ:BBSI), disclosed an insider sell on August 21, according to a recent SEC filing. What Happened: Kramer’s decision to sell 35,093 shares of Barrett Bus Servs was revealed in a Form 4 filing with the U.S. Securities and Exchange Commission on Wednesday. The total value of the sale is $1,230,018. Barrett Bus Servs shares are trading down 0.0% at $35.02 at the time of this writing on Thursday morning. Unveiling the Story Behind Barrett Bus ServsBarrett Business Services Inc is a provider of payroll administrative services and staffing servi…