MannKind files prospectus supplement for common stock issuance under shelf registration

MANNKIND CORP

Filed prospectus supplement on Aug 21, 2026 to S-3 shelf (Reg. No. 333-285286) for common stock shares.
Cooley LLP legal opinion on share issuance legality filed as Exhibit 5.1.
No offering size, price, or use of proceeds disclosed in this 8-K.
Filing is procedural ahead of a potential stock sale; no financial figures provided.

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