HCAT ▼ -3.6% - Health Catalyst, Inc. $HCAT - Health Catalyst Appoints Simeon Kohl as Chief Executive Officer and President Health Catalyst appointed Simeon Kohl as its new Chief Executive Officer and President, a leadership transition that sent shares down 3.6% today. The market's negative reaction to the executive change may reflect investor uncertainty about the new leadership's strategic direction or concerns about execution during the transition period. 08-SEP-2026 08:02 AM ET