As a portfolio manager at a large investment firm, you recently discovered that one of your direct reports has been using proprietary trading software for personal investments while employed at the firm. The software provides a competitive advantage in predicting market trends and has been developed with significant resources from your employer. You are uncertain about how to proceed. According to the CFA Institute's Code of Ethics and Standards of Professional Conduct, what should be your immediate course of action to uphold your responsibilities to your employer?