144/A 0001950047-26-004413 0001297976 XXXXXXXX LIVE 0000899460 MANNKIND CORP 000-50865 1 CASPER STREET DANBURY CT 06810 818-661-5000 Thomson David Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza,8th Floor New York NY 10004

3033 9886.83 308950166 05/12/2026 NASDAQ Common 05/10/2026 Restricted Stock Units Issuer N 3033 05/10/2026 N/A Y 05/14/2026 08/27/2025 /s/ David Thomson