 DANBURY, Conn. and WESTLAKE VILLAGE, Calif., Feb. 21, 2022 GLOBE NEWSWIRE -- MannKind Corporation Nasdaq: MNKD will release its 2021 fourth quarter and full year financial results, and its management will host a conference call to discuss the financial results and corporate updates at 5:00 p.m. Eastern Time on Thursday, February 24, 2022. 