When did Mannkind Corp file this 8-K?

Mannkind Corp (MNKD) filed this Current Report (Form 8-K) with the SEC on May 22, 2026. The accession number assigned by EDGAR is 0001193125-26-237183.

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?

Stockholders elected all nine directors. They approved advisory executive compensation and ratified Deloitte as auditor. 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.

Boardroom Alpha

MNKD · Current Report (Form 8-K) · Filed May 22, 2026

Mannkind Corp — Current Report (Form 8-K)

Form

8-K

Filed

May 22, 2026

Period

May 20, 2026

Ticker

MNKD

Accession

0001193125-26-237183

Mannkind Corp on Boardroom Alpha View on SEC EDGAR

Boardroom Alpha · Filing insights

Stockholders elected all nine directors. They approved advisory executive compensation and ratified Deloitte as auditor.

About Mannkind Corp

Market cap

$1.1B

1Y TSR

−17.2%

3Y TSR

−7.4%

Board grade

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 20, 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

(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 5.07 Submission of Matters to a Vote of Security Holders.

The following is a brief description of each matter voted upon at our 2026 Annual Meeting of Stockholders held on May 20, 2026 (the “Annual Meeting”), as well as the number of votes with respect to each matter.

•

Our stockholders elected each of the nine individuals nominated by our Board of Directors to serve as directors until the next annual meeting of stockholders. The tabulation of votes in the election was as follows:


Nominee	Shares Voted For		Shares Withheld		Broker Non-Votes
James S. Shannon		142,187,528		12,743,525		78,531,407
Michael E. Castagna		142,755,974		12,175,079		78,531,407
Steven B. Binder		143,496,903		11,434,150		78,531,407
Ronald J. Consiglio		140,083,102		14,847,951		78,531,407
Michael A. Friedman		140,598,126		14,332,927		78,531,407
Jennifer Grancio		141,763,670		13,167,383		78,531,407
Anthony Hooper		142,670,402		12,260,651		78,531,407
Sabrina Kay		142,178,623		12,752,430		78,531,407
Christine Mundkur		143,292,686		11,638,367		78,531,407

•

Our stockholders approved, on an advisory basis, the compensation of our named executive officers, as disclosed in our definitive proxy statement for the Annual Meeting, filed with the Securities and Exchange Commission on April 7, 2026. The tabulation of votes on this matter was as follows: shares voted for: 137,332,418; shares voted against: 16,295,138; shares abstaining: 1,303,497; and broker non-votes: 78,531,407.

•

Our stockholders ratified the selection of Deloitte & Touche LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2026. The tabulation of votes on this matter was as follows: shares voted for: 221,079,329; shares voted against: 8,759,982; shares abstaining: 3,623,149; and broker non-votes: 0.

SIGNATURE

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:	May 22, 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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More filings

Other filings from Mannkind Corp (MNKD)

8-KCurrent Report
Jun 2, 2026
8-KCurrent Report
May 28, 2026
10-QQuarterly Report
May 6, 2026
8-KCurrent Report
May 6, 2026
DEFA14AAdditional Proxy Materials
Apr 7, 2026
DEF 14AProxy Statement
Apr 7, 2026
10-KAnnual Report
Feb 26, 2026
8-KCurrent Report
Feb 26, 2026
8-K/AAmended Current Report
Dec 15, 2025
8-KCurrent Report
Nov 10, 2025
10-QQuarterly Report
Nov 5, 2025
8-KCurrent Report
Nov 5, 2025

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Reference

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 May 22, 2026. The accession number assigned by EDGAR is 0001193125-26-237183.
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?: Stockholders elected all nine directors. They approved advisory executive compensation and ratified Deloitte as auditor. 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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