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Solas Capital Management, LLC and Frederick Tucker Golden report beneficial ownership of 3,030,845 shares of MAIA Biotechnology, Inc. common stock. This represents 4.9% of the common stock outstanding, based on 60,800,758 shares outstanding as of May 11, 2026.
The shares are held by two private funds for the benefit of their investors, over which Solas acts as investment manager and sub-adviser, and Golden serves as Portfolio Manager. Both Solas and Golden report shared voting and dispositive power over all 3,030,845 shares and no sole voting or dispositive power. The funds themselves expressly disclaim beneficial ownership of the reported securities.
Key Figures
Shares beneficially owned:3,030,845 sharesPercent of class owned:4.9%Shares outstanding:60,800,758 shares+2 more
5 metrics
Shares beneficially owned3,030,845 sharesCommon stock of MAIA reported by Solas Capital Management, LLC and Frederick Tucker Golden
Percent of class owned4.9%Portion of MAIA common stock class reported as beneficially owned
Shares outstanding60,800,758 sharesMAIA common stock outstanding as of May 11, 2026, used to calculate ownership percentage
Sole voting power0 sharesSolas Capital Management, LLC and Frederick Tucker Golden report no sole voting power
Shared voting power3,030,845 sharesShares over which the reporting persons have shared voting and dispositive power
Key Terms
beneficial owners, Investment Advisers Act of 1940, shared voting power, shared dispositive power, +1 more
5 terms
beneficial ownersfinancial
"may be deemed to be the beneficial owners of all shares of Common Stock"
Beneficial owners are the people or entities that actually enjoy the economic benefits and control of shares or other assets, even when legal title is held by someone else such as a broker, custodian or trustee. Investors pay attention because beneficial owners hold the real voting power, receive dividends and can influence strategy and takeover outcomes — like the driver of a car who uses and maintains it while the bank holds the title — so disclosure shows who truly controls and benefits.
Investment Advisers Act of 1940regulatory
"an investment adviser that is registered under the Investment Advisers Act of 1940"
A U.S. federal law that sets rules for people and firms who give investment advice, requiring them to register with regulators, be honest about conflicts, keep records, and follow basic standards of care. It matters to investors because those rules act like licensing and consumer protections — similar to having safety standards for a mechanic — helping ensure advisers act in clients’ financial interests and reducing the risk of fraud or misuse of funds.
shared voting powerfinancial
"Shared Voting Power 3,030,845.00"
Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.
shared dispositive powerfinancial
"Shared Dispositive Power 3,030,845.00"
disclaims beneficial ownershipfinancial
"expressly disclaims beneficial ownership over any of the securities reported"
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What ownership stake in MAIA (MAIA) does Solas Capital Management report?
Solas Capital Management, LLC reports beneficial ownership of 3,030,845 MAIA common shares, representing 4.9% of the class, based on 60,800,758 shares outstanding as of May 11, 2026.
Who are the reporting persons in this MAIA (MAIA) Schedule 13G/A?
The reporting persons are Solas Capital Management, LLC, a Delaware investment adviser, and Frederick Tucker Golden, its Portfolio Manager, each reporting beneficial ownership of 3,030,845 MAIA common shares with shared voting and dispositive power.
What percentage of MAIA (MAIA) common stock is reported as owned?
The filing reports beneficial ownership of 4.9% of MAIA common stock. This percentage is calculated using 60,800,758 shares of common stock outstanding as of May 11, 2026, as represented by the issuer.
Do Solas Capital and Frederick Tucker Golden have sole voting power over MAIA (MAIA) shares?
No. The filing states they have 0 shares with sole voting or dispositive power and 3,030,845 shares with shared voting and shared dispositive power through the private funds they manage.
How are the MAIA (MAIA) shares held that are reported in this Schedule 13G/A?
The 3,030,845 MAIA shares are held by a private fund and another private fund advised by Solas Capital. The funds hold the securities for the benefit of their investors and expressly disclaim beneficial ownership of the reported shares.
Why does the MAIA (MAIA) filing reference ownership of 5 percent or less?
The Schedule 13G/A indicates ownership of 5 percent or less of MAIA’s common stock, as the reported stake is 4.9%, below the 5% threshold that typically triggers certain additional reporting obligations.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 1)
MAIA Biotechnology, Inc.
(Name of Issuer)
Common Stock, $0.0001 par value per share
(Title of Class of Securities)
552641102
(CUSIP Number)
06/30/2026
(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):
552641102
1
Names of Reporting Persons
Solas Capital Management, LLC
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
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
3,030,845.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
3,030,845.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
3,030,845.00
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)
4.9 %
12
Type of Reporting Person (See Instructions)
IA, HC, OO
SCHEDULE 13G
CUSIP Number(s):
552641102
1
Names of Reporting Persons
FREDERICK TUCKER GOLDEN
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
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
3,030,845.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
3,030,845.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
3,030,845.00
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)
4.9 %
12
Type of Reporting Person (See Instructions)
HC, IN
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
MAIA Biotechnology, Inc.
(b)
Address of issuer's principal executive offices:
444 WEST LAKE STREET, SUITE 1700, CHICAGO, ILLINOIS, 60606.
Item 2.
(a)
Name of person filing:
Solas Capital Management, LLC
Frederick Tucker Golden
(b)
Address or principal business office or, if none, residence:
Solas Capital Management, LLC
1063 Post Road, 2nd Floor
Darien, CT 06820
Frederick Tucker Golden
c/o Solas Capital Management, LLC
1063 Post Road, 2nd Floor
Darien, CT 06820
(c)
Citizenship:
Solas Capital Management, LLC - Delaware
Frederick Tucker Golden - United States
(d)
Title of class of securities:
Common Stock, $0.0001 par value per share
(e)
CUSIP No.:
552641102
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:
Solas Capital Management, LLC is an investment adviser that is registered under the Investment Advisers Act of 1940. Solas Capital Management, LLC, which serves as the investment manager to a private fund (the "Fund") and as sub-adviser to another private fund (the "Other Fund"), which hold securities for the benefit of their investors, and Mr. Frederick Tucker Golden, as Portfolio Manager of Solas Capital Management, LLC, with the power to exercise investment and voting discretion, may be deemed to be the beneficial owners of all shares of Common Stock held by the Fund and by the Other Fund. Pursuant to Rule 13d-4 under the Securities Exchange Act of 1934, as amended, each of the Fund and the Other Fund expressly disclaims beneficial ownership over any of the securities reported in this statement, and the filing of this statement shall not be construed as an admission that either the Fund or the Other Fund are the beneficial owner of any of the securities reported herein.
Solas Capital Management, LLC - 3,030,845
Frederick Tucker Golden - 3,030,845
(b)
Percent of class:
Ownership percentage is based on 60,800,758 shares of common stock outstanding as of May 11, 2026, as represented by the Issuer in the Form 10-Q filed with the Securities and Exchange Commission on May 11, 2026.
Solas Capital Management, LLC - 4.9%
Frederick Tucker Golden - 4.9%
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
Solas Capital Management, LLC - 0
Frederick Tucker Golden - 0
(ii) Shared power to vote or to direct the vote:
Solas Capital Management, LLC - 3,030,845
Frederick Tucker Golden - 3,030,845
(iii) Sole power to dispose or to direct the disposition of:
Solas Capital Management, LLC - 0
Frederick Tucker Golden - 0
(iv) Shared power to dispose or to direct the disposition of:
Solas Capital Management, LLC - 3,030,845
Frederick Tucker Golden - 3,030,845
Item 5.
Ownership of 5 Percent or Less of a Class.
Ownership of 5 percent or less of a class
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
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.
See Notes above.
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
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.
Solas Capital Management, LLC
Signature:
/s/ Frederick Tucker Golden
Name/Title:
General Partner, Solas Capital Holdings, LP, its Member
