Michael Castagna - 10 Mar 2026 Form 4 Insider Report for MANNKIND CORP (MNKD)

Role: Chief Executive Officer, Director
Signature: /s/ Michael Castagna
Issuer symbol: MNKD
Transactions as of: 10 Mar 2026
Net transactions value: +$259,000
Form type: 4
Filing time: 10 Mar 2026, 21:30:02 UTC
Previous filing: 02 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Castagna Michael	Chief Executive Officer, Director	1 CASPER STREET, DANBURY	/s/ Michael Castagna	10 Mar 2026	0001674282

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MNKD	Common Stock, $0.01 Par Value	Purchase	$259,000	+100,000	+4%	$2.59	2,575,911	10 Mar 2026	Direct	F1
holding	MNKD	Common Stock $0.01 Par Value						1,500	10 Mar 2026	By Spouse

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The weighted average purchase price of the reported transaction was $2.59 based on a range of prices between $2.58 and $2.60. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares purchased at each separate price will be provided.