UnitedHealth Group shareholders on Wednesday said they requested the company prepare a report on the costs and public health impact related to its "practices that limit or delay access to healthcare."

UnitedHealth Group (UNH) , the largest health insurance provider in the U.S., has been in the midst of massive controversy after UnitedHealthcare CEO Brian Thompson was shot and killed in front of a Hilton hotel in midtown Manhattan last month.

Shareholders of UnitedHealth Group (UHG) are calling on the company’s board of directors to release a report on how its policy of limiting or delaying access to health care may be impacting

UnitedHealth Group shareholders proposed a resolution requesting a report on the costs and public health impact of practices that delay or limit healthcare access. The proposal focuses on prior authorization and denials of medical services,