Insider plans 47,000-share Rule 144 stock sale

A Rule 144 notice reports a planned sale of 47,000 common shares of the issuer through Morgan Stanley Smith Barney LLC Executive Financial Services on the NASDAQ, with an aggregate market value of $297,510.00 and an approximate sale date of 01/08/2026.

Rhea-AI Filing Summary

A Rule 144 notice reports a planned sale of 47,000 common shares of the issuer through Morgan Stanley Smith Barney LLC Executive Financial Services on the NASDAQ, with an aggregate market value of $297,510.00 and an approximate sale date of 01/08/2026. The filing states that 307,070,281 shares of this class were outstanding.

The shares to be sold were acquired as performance shares from the issuer, including 24,636 shares acquired on 05/22/2023 and 22,364 shares acquired on 05/17/2024, both listed as having payment noted as not applicable.

FAQ

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

How many MNKD issuer shares are planned to be sold under this Rule 144 notice?

The notice reports a planned sale of 47,000 common shares of the issuer under Rule 144.

What is the aggregate market value of the shares in this MNKD Rule 144 filing?

The planned sale covers common shares with an aggregate market value of $297,510.00.

Which broker and exchange are involved in this MNKD Rule 144 sale?

The shares are to be sold through Morgan Stanley Smith Barney LLC Executive Financial Services on the NASDAQ exchange.

When is the approximate sale date for the MNKD issuer shares in this filing?

The approximate date of sale stated in the notice is 01/08/2026.

How were the MNKD issuer shares being sold under Rule 144 originally acquired?

The filing lists the shares as performance shares acquired from the issuer, including 24,636 shares on 05/22/2023 and 22,364 shares on 05/17/2024.

How many shares of this MNKD class were outstanding according to the notice?

The notice states that 307,070,281 shares of the relevant class of common stock were outstanding.

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

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Accepted by SEC EDGAR 01/08/2026 - 04:07 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	0001589641
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	(818) 661-5000
Name of Person for Whose Account the Securities are To Be Sold	STUART A TROSS
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	47000	297510.00	307070281	01/08/2026	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	05/22/2023	Performance Shares	ISSUER			24636	05/22/2023	Not Applicable
Common	05/17/2024	Performance Shares	ISSUER			22364	05/17/2024	Not Applicable

* 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

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	01/08/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	06/17/2025
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/ Stuart Alan Tross
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)