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MNKD · Current Report (Form 8-K) · Filed June 2, 2026

Mannkind Corp — Current Report (Form 8-K)

Form
8-K
Filed
June 2, 2026
Period
May 29, 2026
Ticker
MNKD
Accession
0001193125-26-252544
Mannkind Corp on Boardroom AlphaView on SEC EDGAR
Boardroom Alpha · Filing insights

FDA approves Afrezza for children aged 6+ with type 1 or type 2 diabetes; pediatric postmarketing requirements fulfilled.

About Mannkind Corp
Market cap
$1.1B
1Y TSR
−17.2%
3Y TSR
−7.4%
Board grade
B
Sector
Healthcare
CEO
Michael Castagna
Last annual meeting: May 20, 2026 · View full Mannkind Corp profile →
8-K

 

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

 

FORM 8-K

 

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): May 29, 2026

 

 

MannKind Corporation

(Exact name of Registrant as Specified in Its Charter)

 

 

Delaware

000-50865

13-3607736

(State or Other Jurisdiction
of Incorporation)

(Commission File Number)

(IRS Employer
Identification No.)

 

 

 

 

 

1 Casper Street

 

Danbury, Connecticut

 

06810

(Address of Principal Executive Offices)

 

(Zip Code)

 

Registrant’s Telephone Number, Including Area Code: (818) 661-5000

 

N/A

(Former Name or Former Address, if Changed Since Last Report)

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:


Title of each class

 

Trading
Symbol(s)

 


Name of each exchange on which registered

Common Stock, par value $0.01 per share

 

MNKD

 

The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

 

Item 8.01 Other Events.

On May 29, 2026, we announced that the U.S. Food and Drug Administration (FDA) approved Afrezza®(insulin human) Inhalation Powder for use in children and adolescents aged 6 and older living with type 1 and type 2 diabetes. In the United States, more than 350,000 children and adolescents are living with diabetes, the majority of whom have type 1 diabetes and require lifelong insulin therapy.

The FDA also stated that the supplemental biologics license application for the pediatric indication has fulfilled the last remaining postmarketing requirement for Afrezza as set forth in the original June 27, 2014 approval letter.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

MannKind Corporation

 

Date: June 2, 2026

By:

/s/ David Thomson, Ph.D., J.D.

David Thomson, Ph.D., J.D.

Executive Vice President, General Counsel and Secretary

 

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Frequently asked questions

When did Mannkind Corp file this 8-K?
Mannkind Corp (MNKD) filed this Current Report (Form 8-K) with the SEC on June 2, 2026. The accession number assigned by EDGAR is 0001193125-26-252544.
What does an 8-K disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
FDA approves Afrezza for children aged 6+ with type 1 or type 2 diabetes; pediatric postmarketing requirements fulfilled. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find Mannkind Corp's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K Mannkind Corp has filed under CIK 899460, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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