144 0001297976 XXXXXXXX LIVE 0000899460 MANNKIND CORP. 000-50865 1 Casper Street Danbury CT 06810 (818) 661-5000 DAVID THOMSON Officer Common E*TRADE FINANCIAL CORPORATION

3 EDISON DRIVE ALPHARETTA GA 30005

95576 447744.89 264305532 05/24/2023 NASD COMMON 05/22/2023 Performance Shares ISSUER N 95576 05/22/2023 Not Applicable Y 05/24/2023 11/17/2022 /s/ David Bruce Thomson