Director Michael A. Friedman awarded 82,781 MannKind (MNKD) restricted stock units

Rhea-AI Filing Summary

Friedman Michael A reported acquisition or exercise transactions in this Form 4 filing.

MANNKIND CORP director Michael A. Friedman reported a grant and vesting of 82,781 restricted stock units (RSUs) tied to the company’s common stock. Each RSU represents a contingent right to receive one share of MannKind common stock. The RSUs vested on May 20, 2026, but the underlying shares will only be delivered after Friedman separates from service on the MannKind board of directors. Following this award, he holds 82,781 RSUs directly.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Friedman Michael A

Role null

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Unit	82,781	$0.00	--

Holdings After Transaction: Restricted Stock Unit — 82,781 shares (Direct, null)

Footnotes (1)

1. Each restricted stock unit represents a contingent right to receive one share of MNKD common stock. Restricted stock unit vested on May 20, 2026, but the shares will not be delivered until there is a separation of service from the board of directors of MannKind Corporation.

Key Figures

RSUs granted: 82,781 units Transaction price per RSU: $0.00 per unit RSUs outstanding after grant: 82,781 units +2 more

5 metrics

RSUs granted 82,781 units Restricted stock unit grant to director on May 20, 2026

Transaction price per RSU $0.00 per unit Grant/award acquisition with no cash price

RSUs outstanding after grant 82,781 units Total restricted stock units held directly following transaction

Underlying common shares 82,781 shares Common stock potentially issuable upon settlement of RSUs

Common stock par value $0.01 per share Par value of underlying MannKind common stock

Key Terms

Restricted Stock Unit, contingent right, separation of service

3 terms

Restricted Stock Unit financial

"Each restricted stock unit represents a contingent right to receive one share of MNKD common stock."

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

contingent right financial

"Each restricted stock unit represents a contingent right to receive one share of MNKD common stock."

separation of service financial

"the shares will not be delivered until there is a separation of service from the board of directors of MannKind Corporation."

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Friedman Michael A

(Last) (First) (Middle)

1 CASPER STREET

(Street)

DANBURY CONNECTICUT 06810

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
MANNKIND CORP [ MNKD ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/20/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Unit	(1)	05/20/2026		A(2)		82,781		(2)	(2)	Common Stock, $0.01 Par Value	82,781	$0	82,781	D

Explanation of Responses:

1. Each restricted stock unit represents a contingent right to receive one share of MNKD common stock.

2. Restricted stock unit vested on May 20, 2026, but the shares will not be delivered until there is a separation of service from the board of directors of MannKind Corporation.

	/s/ Michael A Friedman	05/22/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did MannKind (MNKD) disclose for Michael A. Friedman?

MannKind disclosed that director Michael A. Friedman received 82,781 restricted stock units as a grant. These RSUs are a form of equity compensation and each unit entitles him to one share of MannKind common stock once settlement conditions are met.

How many restricted stock units were involved in the latest MNKD Form 4 filing?

The Form 4 shows a total of 82,781 restricted stock units granted to director Michael A. Friedman. After this transaction, his direct holdings in these RSUs total 82,781 units, all linked to MannKind common stock with a par value of $0.01 per share.

When do Michael A. Friedman’s MannKind RSUs vest and when are shares delivered?

The restricted stock units vested on May 20, 2026, meaning the vesting condition was satisfied on that date. However, the underlying MannKind shares will not be delivered until there is a separation of service from the company’s board of directors, delaying actual share receipt.

Does the MNKD Form 4 reflect open-market buying or selling of shares?

The filing reflects a grant and vesting of restricted stock units, not open-market buying or selling. The transaction code is “A,” indicating a grant or award. No purchase or sale price is reported, and the units convert to shares only upon settlement conditions.

What does each restricted stock unit represent in the MannKind Form 4 filing?

Each restricted stock unit represents a contingent right to receive one share of MannKind common stock. This means Friedman does not receive shares immediately; instead, he holds rights that convert into common stock once the specified settlement trigger, such as board service separation, occurs.