Samantha Reeves, CFA, works as a sell-side analyst covering the pharmaceutical sector. She recently learned through a casual dinner with a friend who is a board member at Lakeshore Pharma that the company's Phase III drug trial results will be announced next week with unexpectedly positive data. Reeves immediately updates her research model and issues a 'Strong Buy' recommendation before the announcement. Which CFA Institute Standard has Reeves most likely violated?