LOS ANGELES, July 2, 2024 /PRNewswire/ -- The Schall Law Firm, a national shareholder rights litigation firm, reminds investors of a class action lawsuit against UnitedHealth Group Incorporated ("UnitedHealth" or "the Company") (NYSE: UNH) for violations of §§10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities and Exchange Commission. Investors who purchased the Company's securities between March 14, 2022 and February 27, 2024, inclusive (the " ...