[SCHEDULE 13G] Superior Industries International, Inc. SEC Filing

Rhea-AI Filing Summary

Riva Ridge Capital Management LP and related entities have filed a Schedule 13G disclosing a passive ownership position in Superior Industries International, Inc. (NYSE: SUP).

• Shares owned: 1,575,000 common shares.
• Ownership percentage: 5.3 % of outstanding stock.
• Reporting group: Riva Ridge Capital Management LP (investment adviser), Riva Ridge Master Fund Ltd., Riva Ridge GP LLC, and principals Stephen Golden & Peter Finelli.
• Voting and dispositive power is shared among the reporting persons; no sole voting or dispositive authority is claimed.
• The securities are held by advisory clients of Riva Ridge; the filing states the shares were not acquired to influence or change control of the issuer.
• Event date: 9 Jul 2025; filing signed 30 Jul 2025.

This passive 5 % threshold crossing brings a new hedge-fund owner onto SUP’s share register but does not, by itself, indicate an activist agenda or imminent strategic change.

Positive

• Institutional validation: Hedge-fund ownership of 5.3 % may signal confidence in SUP’s valuation and can enhance trading liquidity.

Negative

• No strategic catalyst: Passive 13G filing states no intent to influence control, limiting near-term impact on corporate direction.

Insights

Financial Analyst

TL;DR — Riva Ridge passively buys 5.3 % of SUP; modest sentiment boost, limited control implications.

The filing shows a hedge-fund complex accumulating 1.58 m SUP shares, pushing it just over the 5 % reporting threshold. Because the form is 13G—rather than 13D—the group certifies the stake is passive, signalling no activist intentions. A new institutional holder can provide incremental demand and liquidity support, but the position size is not large enough to exert material influence on governance or strategy. From a valuation standpoint, the disclosure neither alters the company’s fundamentals nor conveys operational insights. Market reaction is typically muted unless investors perceive a potential future shift to an active stance. Overall impact is neutral to mildly positive for sentiment.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Superior Industries International, Inc.

(Name of Issuer)

Common Stock, $0.01 par value

(Title of Class of Securities)

868168105

(CUSIP Number)

07/09/2025

(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)

SCHEDULE 13G

CUSIP No. 868168105

1

Names of Reporting Persons

RIVA RIDGE CAPITAL MANAGEMENT LP

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 1,575,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,575,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,575,000.00

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)

5.3 %

12

Type of Reporting Person (See Instructions)

IA, PN

SCHEDULE 13G

CUSIP No. 868168105

1

Names of Reporting Persons

RIVA RIDGE MASTER FUND, LTD.

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

CAYMAN ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,575,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,575,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,575,000.00

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)

5.3 %

12

Type of Reporting Person (See Instructions)

CO

SCHEDULE 13G

CUSIP No. 868168105

1

Names of Reporting Persons

RIVA RIDGE GP 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 1,575,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,575,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,575,000.00

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)

5.3 %

12

Type of Reporting Person (See Instructions)

HC, OO

SCHEDULE 13G

CUSIP No. 868168105

1

Names of Reporting Persons

STEPHEN 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 1,575,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,575,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,575,000.00

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)

5.3 %

12

Type of Reporting Person (See Instructions)

HC, IN

SCHEDULE 13G

CUSIP No. 868168105

1

Names of Reporting Persons

PETER FINELLI

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 1,575,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,575,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,575,000.00

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)

5.3 %

12

Type of Reporting Person (See Instructions)

HC, IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Superior Industries International, Inc.
(b)	Address of issuer's principal executive offices: 26600 Telegraph Road, Suite 400, Southfield, Michigan 48033
Item 2.
(a)	Name of person filing: Riva Ridge Capital Management LP Riva Ridge Master Fund, Ltd. Riva Ridge GP LLC Stephen Golden Peter Finelli
(b)	Address or principal business office or, if none, residence: Riva Ridge Capital Management LP 55 Fifth Avenue, 18th Floor New York, New York 10003 United States of America Riva Ridge Master Fund, Ltd. c/o Walkers Corporate Limited 190 Elgin Avenue George Town, Grand Cayman KY1-9008 Cayman Islands Riva Ridge GP LLC 55 Fifth Avenue, 18th Floor New York, New York 10003 United States of America Stephen Golden c/o Riva Ridge Capital Management LP 55 Fifth Avenue, 18th Floor New York, New York 10003 United States of America Peter Finelli c/o Riva Ridge Capital Management LP 55 Fifth Avenue, 18th Floor New York, New York 10003 United States of America
(c)	Citizenship: Riva Ridge Capital Management LP - Delaware Riva Ridge Master Fund, Ltd. - Cayman Islands Riva Ridge GP LLC - Delaware Stephen Golden - United States Peter Finelli - United States
(d)	Title of class of securities: Common Stock, $0.01 par value
(e)	CUSIP No.: 868168105
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: Riva Ridge Capital Management LP - 1,575,000 Riva Ridge Master Fund, Ltd. - 1,575,000 Riva Ridge GP LLC - 1,575,000 Stephen Golden - 1,575,000 Peter Finelli - 1,575,000
(b)	Percent of class: Riva Ridge Capital Management LP - 5.3% Riva Ridge Master Fund, Ltd. - 5.3% Riva Ridge GP LLC - 5.3% Stephen Golden - 5.3% Peter Finelli - 5.3%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: Riva Ridge Capital Management LP - 0 Riva Ridge Master Fund, Ltd. - 0 Riva Ridge GP LLC - 0 Stephen Golden - 0 Peter Finelli - 0
	(ii) Shared power to vote or to direct the vote: Riva Ridge Capital Management LP - 1,575,000 Riva Ridge Master Fund, Ltd. - 1,575,000 Riva Ridge GP LLC - 1,575,000 Stephen Golden - 1,575,000 Peter Finelli - 1,575,000
	(iii) Sole power to dispose or to direct the disposition of: Riva Ridge Capital Management LP - 0 Riva Ridge Master Fund, Ltd. - 0 Riva Ridge GP LLC - 0 Stephen Golden - 0 Peter Finelli - 0
	(iv) Shared power to dispose or to direct the disposition of: Riva Ridge Capital Management LP - 1,575,000 Riva Ridge Master Fund, Ltd. - 1,575,000 Riva Ridge GP LLC - 1,575,000 Stephen Golden - 1,575,000 Peter Finelli - 1,575,000
Item 5.	Ownership of 5 Percent or Less of a Class.
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. All of the securities reported in this Schedule 13G are directly owned by advisory clients of Riva Ridge Capital Management LP. None of those advisory clients, other than Riva Ridge Master Fund, Ltd., may be deemed to beneficially own more than 5% of the Common Stock, $0.01 par value.
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. Please see Exhibit B attached hereto.
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 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.

RIVA RIDGE CAPITAL MANAGEMENT LP

Signature:	By: /s/ Stephen Golden*
Name/Title:	Stephen Golden, Managing Member of the General Partner
Date:	07/30/2025

RIVA RIDGE MASTER FUND, LTD.

Signature:	By: /s/ Stephen Golden*
Name/Title:	Stephen Golden, Director
Date:	07/30/2025

RIVA RIDGE GP LLC

Signature:	By: /s/ Stephen Golden*
Name/Title:	Stephen Golden, Managing Member
Date:	07/30/2025

STEPHEN GOLDEN

Signature:	By: /s/ Stephen Golden*
Name/Title:	Stephen Golden
Date:	07/30/2025

PETER FINELLI

Signature:	By: /s/ Peter Finelli*
Name/Title:	Peter Finelli
Date:	07/30/2025

Comments accompanying signature: * Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his, her or its pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose. To the extent that "ownership of 5 percent or less of a class" was indicated in Item 5, such response only applies to the Reporting Person(s) that indicated elsewhere herein that it beneficially owns five percent (5%) or less of the class.

Exhibit Information

Exhibit A - Joint Filing Agreement Exhibit B - Control Person Identification

FAQ

Why did Riva Ridge file a Schedule 13G on Superior Industries (SUP)?

Because its aggregate holdings exceeded 5 % (1,575,000 shares, 5.3 % of SUP), triggering the SEC’s beneficial ownership reporting requirement.

Is Riva Ridge’s stake in SUP activist or passive?

The 13G filing is certified as passive; the group states the shares were not acquired to influence or change control.

How many Superior Industries shares does Riva Ridge own?

The group reports 1,575,000 common shares with shared voting and dispositive power.

What percentage of SUP’s outstanding shares does this represent?

The stake equals 5.3 % of Superior Industries’ common stock.

Who are the individuals associated with the filing?

Principals Stephen Golden and Peter Finelli filed alongside Riva Ridge Capital Management LP, Riva Ridge Master Fund Ltd., and Riva Ridge GP LLC.

When was the relevant ownership threshold crossed?

The event date reported is 09 July 2025; the statement was signed on 30 July 2025.