Mr. Thompson managed a division that employs about 140,000 people and offers insurance plans to employers and individuals.

The gunman who fatally shot UnitedHealthcare CEO Brian Thompson is still on the loose and was last seen fleeing the scene on an electric bike in Central Park, according to New York police. Thompson was gunned down outside of the New York Hilton Midtown on Wednesday morning ahead of healthcare giant UnitedHealth’s planned investor day.