UnitedHealth Group Inc CEO Andrew Witty will testify before a U.S. House subcommittee regarding a cyberattack on the company’s technology unit, Change Healthcare, which disrupted payments to healthcare providers nationwide. The attack, which occurred on February 21, had a significant financial impact on the company, with UnitedHealth estimating an impact of $1.15 to $1.35 per share in 2024. The subcommittee aims to investigate the events leading up to and following the attack, particularly its impact on individuals and smaller providers.