The shakeup comes months after Hemsley, chairman of UnitedHealth’s board of directors and a former head of the healthcare giant, replaced Andrew Witty as chief executive.

UnitedHealth missed Wall Street's second-quarter earnings expectations and offered an updated and conservative take on the rest of 2025.

The stock tumbled in May after the company suspended that 2025 guidance due to elevated medical costs and announced the abrupt departure of former CEO Andrew Witty.

In May, the company withdrew its 2025 forecast due to higher-than-expected medical costs, and CEO Andrew Witty departed the company abruptly.

In May, the company withdrew its 2025 forecast due to higher-than-expected medical costs, and CEO Andrew Witty departed the company abruptly.