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MANNKIND CORP Director's Dealing 2025

Dec 16, 2025

31835_dirs_2025-12-16_0f8602dd-55c3-4190-8dcf-0d20d4b5dd03.zip

Director's Dealing

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SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MANNKIND CORP (MNKD)
CIK: 0000899460
Period of Report: 2025-12-12

Reporting Person: Castagna Michael (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-12-12	Common Stock, $0.01 Par Value	M	20806	$4.55	Acquired	2525598	Direct
2025-12-12	Common Stock, $0.01 Par Value	S	20806	$6.00	Disposed	2504792	Direct
2025-12-16	Common Stock, $0.01 Par Value	M	21310	$4.55	Acquired	2526102	Direct
2025-12-16	Common Stock, $0.01 Par Value	S	21310	$6.00	Disposed	2504792	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-12-12	Employee Stock Option (Right to Buy)	$4.55	M	7920	Disposed	2026-05-19	Common Stock, $0.01 Par Value (7920)	Direct
2025-12-12	Employee Stock Option (Right to Buy)	$4.55	M	12886	Disposed	2026-05-19	Common Stock, $0.01 Par Value (12886)	Direct
2025-12-16	Employee Stock Option (Right to Buy)	$4.55	M	21310	Disposed	2026-05-19	Common Stock, $0.01 Par Value (21310)	Direct

Footnotes

F1: Transaction occurred pursuant to Rule 10b5-1 Plan established August 8, 2025.