John is a portfolio manager working for an investment firm. During a recent meeting, he was informed by the company's legal counsel about a pending acquisition of a public company that has not yet been announced to the public. The acquisition will likely increase the stock price of the company significantly once the news is made public. John is excited about this information and considers purchasing shares in the company for his personal account before the announcement.
According to the CFA Institute Code of Ethics and Standards of Professional Conduct, what should John do regarding this confidential information?