The lawsuit argues that the Medicare program was “arbitrary and capricious” in how it calculated the metrics for Humana’s health plans.

A sharp decline in its Medicare Star Ratings for 2025 has prompted Humana (NYSE:HUM) to file a lawsuit in a Texas federal court, seeking a reversal of the cut, Bloomberg News reported Saturday. Humana (NYSE:HUM),

Humana Inc. sued US health agencies seeking to reverse a cut to crucial Medicare quality ratings, linked to billions of dollars in revenue, that sent the company’s stock tumbling this month.

U.S. health insurer Cigna Group has revived efforts to merge with smaller rival Humana after abandoning the pursuit late last year, Bloomberg News reported on Friday, citing people familiar with the matter.

Humana (HUM) stock rises amid takeover speculation, with potential interest from Cigna (CI) and a Western European company.

Cigna has brought merger talks with Humana back from the dead, according to a new report in Bloomberg.