Maxim Shishin, Chief Information Officer at CorVel (NASDAQ:CRVL), reported a large exercise of company stock options on August 14, according to a new SEC filing. What Happened: Shishin, Chief Information Officer at CorVel, exercised stock options for 8,075 shares of CRVL stock. This information was disclosed in a Form 4 filing with the U.S. Securities and Exchange Commission on Wednesday. The exercise price of the options was $77.93 per share. The Wednesday morning market activity shows CorVel shares down by 0.0%, trading at $305.23. This implies a total value of $1,835,447 for Shishin’s 8,075…