The formal appointment of interim CFO Tom Cowhey as the permanent CFO may be viewed positively by investors as it signals stability in CVS Health's financial leadership. Mike Pykosz's appointment as President of Health Care Delivery could also be seen as a strategic move to strengthen the company's healthcare services. However, the impact of Shawn Guertin's departure may be mitigated by the advance notice and the transition period until May 31, 2024.