MannKind director awarded 82,781 RSUs

Grancio Jennifer reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Grancio Jennifer reported acquisition or exercise transactions in this Form 4 filing.

MannKind Corp director Jennifer Grancio reported a compensation-related equity award and updated holdings. She received a grant of 82,781 restricted stock units, each representing a contingent right to receive one share of MannKind common stock.

The restricted stock units vested on May 20, 2026, but the underlying shares will only be delivered after her separation of service from MannKind’s board of directors. Following the reported transactions, she holds 110,701 shares of common stock directly, alongside the newly granted 82,781 restricted stock units. A footnote also clarifies that 134,114 shares representing deferred restricted stock units had been inadvertently included in prior reported common stock holdings.

Insider Trade Summary

Grant/Award: 82,781 shares

Grant/Award 2 txns

Insider Grancio Jennifer

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Unit	82,781	$0.00	$0.00
holding	Common Stock $0.01 Par Value	--	--	--

Holdings After Transaction: Restricted Stock Unit — 82,781 contracts (Direct); Common Stock $0.01 Par Value — 110,701 shares (Direct)

Footnotes (3)

1. F1. 134,114 shares representing deferred restricted stock units were inadvertently included in Table I holdings on prior filings.
2. F2. Each restricted stock unit represents a contingent right to receive one share of MNKD common stock.
3. F3. 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

RSU grant size: 82,781 units Common shares held: 110,701 shares RSU-to-share ratio: 1:1 +2 more

5 metrics

RSU grant size 82,781 units Restricted stock units granted to director on May 20, 2026

Common shares held 110,701 shares Direct MannKind common stock holdings after reported transactions

RSU-to-share ratio 1:1 Each restricted stock unit equals one share of MannKind common stock

Incorrect prior RSU count 134,114 shares Deferred RSUs previously included in common stock holdings in error

Transaction code A Grant, award, or other acquisition of restricted stock units

Key Terms

Restricted Stock Unit, contingent right, deferred restricted stock units, separation of service

4 terms

Restricted Stock Unit financial

"The main transaction involves a "Restricted Stock Unit" award tied to 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."

deferred restricted stock units financial

"134,114 shares representing deferred restricted stock units were inadvertently included in Table I holdings."

Deferred restricted stock units are promises by a company to give employees or executives company shares at a future date, subject to conditions like continued employment or performance targets; the delivery and tax event are intentionally delayed. They matter to investors because they affect when new shares may be issued and how executives are motivated—like a paycheck held in escrow that vests over time, influencing potential share dilution and management behavior.

separation of service other

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

FAQ

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

What insider transaction did MannKind (MNKD) director Jennifer Grancio report?

Director Jennifer Grancio reported receiving 82,781 restricted stock units as a compensation-related equity grant. These units each represent a contingent right to one share of MannKind common stock, adding to her existing direct common stock holdings reported in the same Form 4.

How many MannKind (MNKD) shares does Jennifer Grancio hold after this Form 4?

After the reported transactions, Jennifer Grancio directly holds 110,701 shares of MannKind common stock. In addition, she now holds 82,781 restricted stock units, which are derivative awards that can convert into an equal number of common shares under specified conditions.

What are the terms of Jennifer Grancio’s 82,781 restricted stock units in MannKind (MNKD)?

Each of the 82,781 restricted stock units represents a contingent right to receive one share of MannKind common stock. The units vested on May 20, 2026, but the actual shares will not be delivered until she separates from service on MannKind’s board of directors.

Did the MannKind (MNKD) Form 4 correct any prior reporting errors for Jennifer Grancio?

Yes. A footnote states that 134,114 shares representing deferred restricted stock units were inadvertently included in prior Table I common stock holdings. This filing clarifies that those were deferred restricted stock units, providing a more accurate breakdown of her equity position.

Is Jennifer Grancio’s MannKind (MNKD) Form 4 a market buy or sell?

No. The main transaction is coded “A” for an award, reflecting a grant of 82,781 restricted stock units. This is a compensation-related acquisition rather than an open-market purchase or sale, so it does not represent a discretionary trading decision in MannKind shares.

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

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Accepted by SEC EDGAR 05/22/2026 - 08:52 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^*

Grancio Jennifer

(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
Common Stock $0.01 Par Value								110,701(1)	D

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	(2)	05/20/2026		A(3)		82,781		(3)	(3)	Common Stock, $0.01 Par Value	82,781	$0	82,781	D

Explanation of Responses:

1. 134,114 shares representing deferred restricted stock units were inadvertently included in Table I holdings on prior filings.

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

3. 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/ Jennifer Grancio	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)