Motorcar Parts: Donald Smith reports 1.26M shares

Motorcar Parts of America reports that Donald Smith & Co., Inc. beneficially owns 1,260,044 shares of Common Stock, representing 6.56% of the class as reported for the period ended 03/31/2026.

Rhea-AI Filing Summary

Motorcar Parts of America reports that Donald Smith & Co., Inc. beneficially owns 1,260,044 shares of Common Stock, representing 6.56% of the class as reported for the period ended 03/31/2026. The filing states these holdings are held in advisory capacity for institutional clients and that no single client holds more than 5% of the class.

The filing further breaks out voting and dispositive powers: Donald Smith & Co., Inc. reports 1,121,319 shares with sole voting power and 1,248,469 shares with sole dispositive power. Two related persons listed are DSCO Value Fund, L.P. (11,075 shares) and John Piermont (500 shares).

Insights

Institutional Investor Analyst

Large advisory position reported; holdings held for multiple clients.

The filing shows Donald Smith & Co., Inc. reports beneficial ownership of 1,260,044 shares (6.56%) as of 03/31/2026. The firm discloses sole voting power on 1,121,319 shares and sole dispositive power on 1,248,469 shares.

The schedule clarifies these shares are held in an advisory capacity and that no single client owns more than 5% of the class; subsequent filings or proxy materials would be needed to identify any specific client-level concentration.

Corporate Governance Specialist

Ownership crosses the 5% reporting threshold but is advisory in nature.

The schedule is filed under beneficial-ownership rules and attributes authority to the adviser rather than indicating direct proprietary ownership. Item 6 explicitly states dividends and sale proceeds rights rest with institutional clients.

Because no individual client is disclosed above 5%, the practical governance influence depends on aggregate advisory mandates; further disclosure would appear if a client later surpasses the reporting threshold.

Key Figures

Beneficial ownership: 1,260,044 shares Percent of class: 6.56% Sole voting power: 1,121,319 shares +3 more

6 metrics

Beneficial ownership 1,260,044 shares as reported for period ended 03/31/2026

Percent of class 6.56% percent of common stock

Sole voting power 1,121,319 shares Donald Smith & Co., Inc. reported in Item 4

Sole dispositive power 1,248,469 shares Donald Smith & Co., Inc. reported in Item 4

DSCO Value Fund holdings 11,075 shares related person listed in filing

John Piermont holdings 500 shares related person listed in filing

Key Terms

Schedule 13G, Sole Dispositive Power, Beneficial Ownership

3 terms

Schedule 13G regulatory

"Item 1 lists the issuer and the form classification"

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.

Sole Dispositive Power financial

"Item 4 reports "Sole power to dispose" with 1,248,469 shares"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

Beneficial Ownership regulatory

"Item 4(a) states "Amount beneficially owned: 1,260,044""

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

FAQ

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

What stake does Donald Smith & Co. report in MPAA?

Donald Smith & Co., Inc. reports beneficial ownership of 1,260,044 shares, equal to 6.56% of common stock as of 03/31/2026. The position is held in an advisory capacity for institutional clients, per the filing.

Who holds voting and dispositive power for the reported MPAA shares?

The filing lists 1,121,319 shares with sole voting power and 1,248,469 shares with sole dispositive power held by Donald Smith & Co., Inc., as reported in Item 4 of the Schedule 13G.

Does any client of Donald Smith & Co. own more than 5% of MPAA?

The filing states that, to the filer’s knowledge, no single advisory client owns more than 5% of MPAA common stock; holdings are reported as aggregated advisory positions rather than a single client concentration.

What related persons are named in the Schedule 13G for MPAA?

Related persons disclosed include DSCO Value Fund, L.P. with 11,075 shares and John Piermont with 500 shares, as listed in the filing’s ownership breakdown.

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

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Accepted by SEC EDGAR 05/14/2026 - 12:27 PM EDT Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

MOTORCAR PARTS OF AMERICA INC

(Name of Issuer)

Common

(Title of Class of Securities)

620071100

(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): 620071100

1

Names of Reporting Persons

DONALD SMITH & CO., INC.

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 1,121,319.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,248,469.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,260,044.00

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)

6.6 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

CUSIP Number(s): 620071100

1

Names of Reporting Persons

DSCO Value Fund, L.P.

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 11,075.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 11,075.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,260,044.00

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)

6.6 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

CUSIP Number(s): 620071100

1

Names of Reporting Persons

John Piermont

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 500.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 500.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,260,044.00

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)

6.6 %

12

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: MOTORCAR PARTS OF AMERICA INC
(b)	Address of issuer's principal executive offices: 2929 CALIFORNIA STREET, TORRANCE, CALIFORNIA, 90503.
Item 2.
(a)	Name of person filing: Donald Smith & Co.,Inc.
(b)	Address or principal business office or, if none, residence: 152 West 57th Street New York, NY 10019
(c)	Citizenship: A Delaware Corporation
(d)	Title of class of securities: Common
(e)	CUSIP Number(s): 620071100
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: 1,260,044
(b)	Percent of class: 6.56%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: Donald Smith & Co., Inc. 1,121,319 DSCO Value Fund, L.P. 11,075 John Piermont 500
	(ii) Shared power to vote or to direct the vote: SEE ITEM 6
	(iii) Sole power to dispose or to direct the disposition of: Donald Smith & Co., Inc. 1,248,469 DSCO Value Fund, L.P. 11,075 John Piermont 500
	(iv) Shared power to dispose or to direct the disposition of: SEE ITEM 6
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. 1. Donald Smith & Co., Inc. does not serve as custodian of the assets of any of its clients; accordingly, in each instance only the client or the client?s custodian or trustee bank has the right to receive dividends paid with respect to, and proceeds from the sale of, such securities. The ultimate power to direct the receipt of dividends paid with respect to, and the proceeds from the sale of, such securities, is vested in the institutional clients which Donald Smith & Co., Inc. serves as investment advisor. Any and all discretionary authority which has been delegated to Donald Smith & Co., Inc. may be revoked in whole or in part at any time. To the knowledge of Donald Smith & Co., Inc., with respect to all securities reported in this schedule owned by advisory clients of Donald Smith & Co., Inc., not more than 5% of the class of such securities is owned by any one client. 2. With respect to the remaining securities owned, various persons have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Common Stock of Motorcar Parts of America. No one person?s interest in the Common Stock of Motorcar Parts of America is more than five percent of the total outstanding Common Stock.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
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. Donald Smith & Co., Inc. IA DSCO Value Fund, L.P. PN John Piermont IN
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.

DONALD SMITH & CO., INC.

Signature:	Richard L. Greenberg
Name/Title:	CEO and Co-CIO
Date:	05/13/2026

DSCO Value Fund, L.P.

Signature:	Richard L. Greenberg
Name/Title:	CEO and Co-CIO
Date:	05/13/2026

John Piermont

Signature:	Richard L. Greenberg
Name/Title:	CEO and Co-CIO
Date:	05/13/2026