MannKind director awarded 82,781 RSUs

Binder Steven B. reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Binder Steven B. reported acquisition or exercise transactions in this Form 4 filing.

MannKind Corporation director Steven B. Binder reported receiving a grant of restricted stock units under the company’s equity compensation program. He was awarded 82,781 restricted stock units, each representing a contingent right to receive one share of MannKind common stock.

The filing notes that these restricted stock units vested on May 20, 2026, but the underlying shares will not be delivered until Binder experiences a separation of service from MannKind’s board of directors. After this grant, he holds 82,781 restricted stock units directly, highlighting a compensation-related equity award rather than an open-market share purchase or sale.

Insider Trade Summary

Grant/Award: 82,781 shares

Grant/Award 1 txn

Insider Binder Steven B.

Role Director

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

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

Footnotes (2)

1. F1. Each restricted stock unit represents a contingent right to receive one share of MNKD common stock.
2. F2. 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 Grant price: $0.00 per unit Underlying shares: 82,781 shares +1 more

4 metrics

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

Grant price $0.00 per unit Stated price for RSU grant

Underlying shares 82,781 shares Common stock, $0.01 par value, underlying the RSUs

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

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"

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

"represents a contingent right to receive one share of MNKD common stock"

separation of service financial

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

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did MannKind (MNKD) director Steven B. Binder report in this Form 4?

Steven B. Binder reported receiving a grant of 82,781 restricted stock units tied to MannKind common stock. This is a compensation-related equity award, not an open-market trade, and increases his contingent right to future MNKD shares.

How many MannKind (MNKD) restricted stock units were granted to Steven B. Binder?

Steven B. Binder was granted 82,781 restricted stock units. Each unit represents a contingent right to receive one share of MannKind common stock, giving him potential future ownership of 82,781 MNKD shares upon settlement.

At what price were Steven B. Binder’s MannKind (MNKD) restricted stock units granted?

The 82,781 restricted stock units were granted at a stated price of $0.00 per unit. This reflects typical equity compensation, where units are awarded as part of director pay rather than purchased in the open market.

When do Steven B. Binder’s MannKind (MNKD) restricted stock units vest and settle?

The restricted stock units vested on May 20, 2026, but shares will not be delivered until Binder experiences a separation of service from MannKind’s board. This delays share delivery while he continues serving as a director.

How many MannKind (MNKD) restricted stock units does Steven B. Binder hold after this transaction?

Following the reported grant, Steven B. Binder directly holds 82,781 restricted stock units. These units each correspond to one potential share of MannKind common stock, contingent on settlement conditions being met in the future.

Does Steven B. Binder’s MannKind (MNKD) Form 4 show any stock sales or purchases?

This Form 4 shows no open-market stock purchases or sales by Steven B. Binder. It only reports a grant of 82,781 restricted stock units as compensation, classified as an acquisition rather than a buy or sell transaction.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/22/2026 - 08:56 PM Learn about SEC filing dates

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^*

Binder Steven B.

(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/ Steven B. Binder	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)