ABC Ltd is a company listed on the ASX. Joan is the Chief Accountant (CA) of the company and has been spending a lot of time analysing a major new project for the company. Joan telephones the printer Gobster, responsible for printing ABC Ltd's Annual Report and requests a rescheduling of the printing work, explaining how her commitment to the new project has disrupted her timetable. ABC Ltd announces the new project, and its share price rises. An examination of ABC Ltd's share register reveals that the printer purchased shares after the conversation with Joan and later sold them at a profit. Has Joan or Gobster committed an offence of insider trading