MannKind Corp ownership disclosure: State Street Corporation reports beneficial ownership of 18,683,483 shares of Common Stock, representing 6.1% of the class. The filing lists shared voting power of 17,967,218 and shared dispositive power of 18,683,483, with certain holdings attributed to State Street affiliates.
Positive
None.
Negative
None.
Insights
Large passive holding disclosed; position is shared across State Street entities.
State Street reports 18,683,483 shares representing 6.1% of MannKind common stock. The filing attributes voting and dispositive powers to multiple State Street affiliates, indicating custody/asset-management structures rather than a single controlling owner.
Implications depend on whether holdings change in subsequent filings; subsequent Schedule 13D/G or Form 4 filings would clarify activism or trading intent.
Disclosure shows shared control via investment-advisor subsidiaries rather than sole control.
The schedule names SSGA Funds Management, State Street Global Advisors Europe Limited, and other affiliates as acquiring subsidiaries, consistent with institutional management of client assets. The filing lists shared voting power and shared dispositive power figures rather than sole powers.
Monitor periodic filings for changes; trustee/beneficiary details may appear in future exhibits or amendments.
Key Figures
Beneficial ownership:18,683,483 sharesPercent of class:6.1%Shared voting power:17,967,218 shares+3 more
6 metrics
Beneficial ownership18,683,483 sharesAmount beneficially owned per Schedule 13G
Percent of class6.1%Percent of Common Stock reported
Shared voting power17,967,218 sharesShared power to vote reported in Item 4
Shared dispositive power18,683,483 sharesShared power to dispose reported in Item 4
Filing header date03/31/2026Date shown at top of the submission
Signature date05/12/2026Signed by Elizabeth Schaefer, Senior VP
A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.
Shared Dispositive Powerfinancial
"Item 4. (c)(iv) Shared power to dispose or to direct the disposition of: 18,683,483"
Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
MANNKIND CORP
(Name of Issuer)
COMMON STOCK
(Title of Class of Securities)
56400P706
(CUSIP Number)
03/31/2026
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
56400P706
1
Names of Reporting Persons
STATE STREET CORPORATION
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
MASSACHUSETTS
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
17,967,218.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
18,683,483.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
18,683,483.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
6.1 %
12
Type of Reporting Person (See Instructions)
HC
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
MANNKIND CORP
(b)
Address of issuer's principal executive offices:
30930 RUSSELL RANCH ROAD, SUITE 300, WESTLAKE VILLAGE, CALIFORNIA, 91362
Item 2.
(a)
Name of person filing:
STATE STREET CORPORATION;
(b)
Address or principal business office or, if none, residence:
ONE CONGRESS STREET, SUITE 1, BOSTON MA 02114, UNITED STATES
(c)
Citizenship:
MA
(d)
Title of class of securities:
COMMON STOCK
(e)
CUSIP Number(s):
56400P706
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
18683483.00
(b)
Percent of class:
6.1 %
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
0
(ii) Shared power to vote or to direct the vote:
17,967,218
(iii) Sole power to dispose or to direct the disposition of:
0
(iv) Shared power to dispose or to direct the disposition of:
18,683,483
Item 5.
Ownership of 5 Percent or Less of a Class.
Not Applicable
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.
NOT APPLICABLE
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary.
SSGA FUNDS MANAGEMENT, INC. (IA);STATE STREET GLOBAL ADVISORS EUROPE LIMITED (IA);STATE STREET GLOBAL ADVISORS LIMITED (IA);STATE STREET GLOBAL ADVISORS TRUST COMPANY (IA);STATE STREET GLOBAL ADVISORS, LTD. (IA);
Item 8.
Identification and Classification of Members of the Group.
If a group has filed this schedule pursuant to §240.13d-1(b)(1)(ii)(K), so indicate under Item 3(k) and attach an exhibit stating the identity and Item 3 classification of each member of the group. If a group has filed this schedule pursuant to §240.13d-1(c) or §240.13d-1(d), attach an exhibit stating the identity of each member of the group.
NOT APPLICABLE
Item 9.
Notice of Dissolution of Group.
Notice of dissolution of a group may be furnished as an exhibit stating the date of the dissolution and that all further filings with respect to transactions in the security reported on will be filed, if required, by members of the group, in their individual capacity. See Item 5.
NOT APPLICABLE
Item 10.
Certifications:
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
State Street reports ownership of 18,683,483 shares, or 6.1% of MNKD. The Schedule 13G lists shared voting power of 17,967,218 and shared dispositive power of 18,683,483. Holdings are shown as held through State Street advisory affiliates.
Does this filing show State Street controls MannKind (MNKD)?
No—this filing shows shared voting and dispositive power, not sole control. The Schedule 13G attributes authority across State Street affiliates such as SSGA Funds Management, indicating institutional custody/management structures rather than single-party control.
When was the ownership reported for MNKD?
The header indicates 03/31/2026 and the signature is dated 05/12/2026. The schedule lists holdings and affiliate names; the filing signature by a State Street officer appears on 05/12/2026.
Are the shares held directly by State Street or its affiliates?
The Schedule 13G identifies State Street affiliates as the relevant holders. The filing names SSGA Funds Management, State Street Global Advisors Europe Limited, and others, indicating the position is held in multiple advisory/management entities.
