MannKind insider plans sale of 24,109 shares

MannKind Corporation common stock is the subject of a planned sale by an insider, with up to 24,109 shares to be sold through Morgan Stanley Smith Barney LLC on NASDAQ on or about July 17, 2026.

Rhea-AI Filing Summary

MannKind Corporation common stock is the subject of a planned sale by an insider, with up to 24,109 shares to be sold through Morgan Stanley Smith Barney LLC on NASDAQ on or about July 17, 2026. The shares have an indicated aggregate market value of $97,400.36, with 308,950,166 shares of common stock outstanding.

The insider recently received 11,462 Restricted Stock Units and 12,647 Performance Stock Units from the issuer on July 15, 2026. The notice also references prior Rule 10b5-1 sales of 3,033 shares of common stock on May 12, 2026 for $9,984.03.

Key Figures

Planned shares to be sold: 24,109 shares Aggregate market value of planned sale: $97,400.36 Shares outstanding: 308,950,166 shares +4 more

7 metrics

Planned shares to be sold 24,109 shares Common stock to be sold through Morgan Stanley Smith Barney LLC

Aggregate market value of planned sale $97,400.36 Value of 24,109 common shares to be sold

Shares outstanding 308,950,166 shares Common stock outstanding as referenced in the notice

Restricted Stock Units awarded 11,462 units RSUs granted on July 15, 2026

Performance Stock Units awarded 12,647 units PSUs granted on July 15, 2026

Prior 10b5-1 sale shares 3,033 shares Common shares sold on May 12, 2026 under Rule 10b5-1

Prior 10b5-1 sale value $9,984.03 Total proceeds from 3,033 shares sold on May 12, 2026

Key Terms

Form 144, Restricted Stock Units, Performance Stock Units, 10b5-1 Sales, +1 more

5 terms

Form 144 regulatory

"144: Securities To Be Sold"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Units financial

"Common | 07/15/2026 | Restricted Stock Units | Issuer"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Performance Stock Units financial

"Common | 07/15/2026 | Performance Stock Units | Issuer"

Performance stock units are a type of company award that grants employees shares of stock only if certain performance goals are met. They motivate employees to work toward specific company achievements, aligning their interests with those of shareholders. For investors, they can influence a company's future stock supply and reflect management’s confidence in reaching key targets.

10b5-1 Sales regulatory

"10b5-1 Sales for DAVID THOMSON 1 Casper Street"

10b5-1 sales are pre-arranged stock-trading plans that let company insiders automatically buy or sell shares according to a fixed schedule or formula, even if they later learn confidential information. Think of it as setting up an automatic thermostat for trades: it creates a clear, documented path that can protect insiders from insider-trading accusations and gives investors a signal about predictable insider activity—though it can also simply be a way for insiders to diversify or raise cash.

Executive Financial Services financial

"Morgan Stanley Smith Barney LLC Executive Financial Services"

FAQ

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

What does MannKind (MNKD) disclose about the planned stock sale in this Form 144?

The notice states that up to 24,109 shares of MannKind common stock may be sold through Morgan Stanley Smith Barney LLC on NASDAQ around July 17, 2026, with an indicated aggregate market value of $97,400.36.

How many MannKind (MNKD) shares are outstanding according to this Form 144?

The document reports that MannKind has 308,950,166 shares of common stock outstanding. This figure provides context for the planned sale of 24,109 shares described in the notice.

What recent equity awards to the insider are reported for MannKind (MNKD)?

The filing lists awards dated July 15, 2026 of 11,462 Restricted Stock Units and 12,647 Performance Stock Units from the issuer. These units represent equity-based compensation tied to MannKind common stock.

What prior Rule 10b5-1 sales are disclosed for the MannKind (MNKD) insider?

The notice references Rule 10b5-1 sales of 3,033 shares of MannKind common stock on May 12, 2026, with total sale proceeds of $9,984.03 during the past three months.

Which broker is handling the planned MannKind (MNKD) stock sale?

The planned sale of up to 24,109 shares of MannKind common stock is to be handled by Morgan Stanley Smith Barney LLC Executive Financial Services, based at 1 New York Plaza, 8th Floor, New York, NY 10004.

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

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Accepted by SEC EDGAR 07/17/2026 - 04:21 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001297976
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	MannKind Corporation
SEC File Number	000-50865
Address of Issuer	1 Casper Street Danbury CONNECTICUT 06810
Phone	8186615000
Name of Person for Whose Account the Securities are To Be Sold	DAVID THOMSON
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	24109	97400.36	308950166	07/17/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	07/15/2026	Restricted Stock Units	Issuer			11462	07/15/2026	N/A
Common	07/15/2026	Performance Stock Units	Issuer			12647	07/15/2026	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
10b5-1 Sales for DAVID THOMSON 1 Casper Street Danbury CT 06810	Common	05/12/2026	3033	9984.03

144: Remarks and Signature

Remarks
Date of Notice	07/17/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	08/27/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ David Thomson
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)