TOYO extends VSUN trademark licenses, excludes U.S.

TOYO extends VSUN trademark licenses to three years while removing U.S. usage rights after September 12, 2026.

Rhea-AI Filing Summary

TOYO Co., Ltd (TOYO) reports amendments to its trademark licensing arrangements related to the “VSUN” trademarks it acquired earlier for $340,000 from Vietnam Sunergy Group. The trademarks are registered in 12 jurisdictions, including the United States, Canada, Vietnam and Europe.

Effective September 12, 2026, TOYO and its subsidiary Toyo Solar Company Limited have amended their trademark license agreements with Vietnam Sunergy Joint Stock Company to extend the license term from one year to three years. After that effective date, the license will exclude rights to use the VSUN trademarks in the United States of America, and the defined “Territory” under the license will no longer include the U.S.

Key Figures

Trademark purchase price: $340,000 Trademark jurisdictions: 12 jurisdictions Original license term: 1 year +3 more

6 metrics

Trademark purchase price $340,000 Total purchase price for VSUN trademarks registered in 12 jurisdictions

Trademark jurisdictions 12 jurisdictions VSUN trademarks acquired including the United States, Canada, Vietnam and Europe

Original license term 1 year Initial VSUN trademark license term starting September 12, 2025

Amended license term 3 years License term after amendments effective September 12, 2026

Additional term granted 2 additional years Extension of VSUN trademark license beyond the original one-year term

Amendment effective date September 12, 2026 Effective date of the amended trademark license agreements

Key Terms

Trademark Purchase Agreement, Trademark License Agreement, Amendment Effective Date, Territory

4 terms

Trademark Purchase Agreement legal

"entered into a trademark purchase agreement (each, a “Trademark Purchase Agreement”)"

Trademark License Agreement legal

"entered into a trademark license agreement with VSUN (each, a “Trademark License Agreement”)"

A trademark license agreement is a contract that lets one party use another party’s brand name, logo or other identifying marks while the owner keeps legal control. Think of it like lending a well-known sign to a shop: the lender sets rules and fees, and the borrower benefits from instant recognition. Investors care because such deals can create steady revenue, expand market reach or dilute brand value depending on terms and how well the partner protects the brand.

Amendment Effective Date legal

"effective as of September 12, 2026 (the “Amendment Effective Date”)"

Territory legal

"the term “Territory” will not be construed to include the United States of America"

FAQ

What trademark change did TOYO (TOYO) announce in this Form 6-K?

TOYO announced amendments to its trademark license agreements with Vietnam Sunergy Joint Stock Company that extend the VSUN trademark license from one year to three years and, after September 12, 2026, remove rights to use the VSUN trademarks in the United States.

How much did TOYO (TOYO) pay to acquire the VSUN trademarks?

TOYO and its subsidiary agreed to acquire the “VSUN” trademarks from Vietnam Sunergy Group for a total purchase price of $340,000, covering registrations in 12 jurisdictions, including the United States, Canada, Vietnam and Europe.

What is the new term of the VSUN trademark licenses for TOYO (TOYO)?

The amendments provide that the VSUN trademark license term for TOYO and Toyo Solar Company Limited is extended from one (1) year to three (3) years, effective as of September 12, 2026, while keeping other terms and conditions in force except as modified.

Does TOYO (TOYO) retain VSUN trademark rights in the United States under the amended licenses?

Under the amended licenses, starting after September 12, 2026, the license grants to Vietnam Sunergy Joint Stock Company will no longer include rights to use the VSUN trademarks in the United States of America, and the defined “Territory” will exclude the U.S.

Which parties are involved in TOYO’s (TOYO) VSUN trademark arrangements?

The arrangements involve TOYO Co., Ltd and its wholly owned subsidiary Toyo Solar Company Limited (as licensors) and Vietnam Sunergy Joint Stock Company and Vietnam Sunergy Europe GmbH (as sellers and licensee) concerning the “VSUN” trademarks registered in multiple jurisdictions.

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

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16 UNDER
THE SECURITIES EXCHANGE ACT OF 1934

For the month of September 2026

Commission File Number: 001-42153

TOYO Co., Ltd

5F, Tennoz First Tower

2-2-4, Higashi-Shinagawa, Shinagawa-ku

Tokyo, Japan 140-0002

(Address of Principal Executive Offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F ☒          Form 40-F ☐

TRADEMARK ACQUISITION AND LICENSE

As previously reported, on September 4, 2025, each of TOYO Co., Ltd, a Cayman Islands exempted company (the “Company”) and Toyo Solar Company Limited, a Vietnamese company and wholly-owned subsidiary of the Company (“TOYO Solar” and, together with the Company, the “TOYO Group”), entered into a trademark purchase agreement (each, a “Trademark Purchase Agreement”) with Vietnam Sunergy Europe GmbH, a German company and subsidiary of VSUN (as defined below) (“VSUN Europe”), and Vietnam Sunergy Joint Stock Company (“VSUN” and, together with VSUN Europe, “VSUN Group”), a Vietnamese company and our affiliate and a majority-owned subsidiary of Fuji Solar Co., Ltd, a Japanese company. Pursuant to the Trademark Purchase Agreements, VSUN Group agreed to sell to the TOYO Group its “VSUN” trademarks (the “Subject Trademarks”) registered in 12 jurisdictions, including but not limited to, the United States, Canada, Vietnam and Europe, for a total purchase price of $340,000 (such transaction, the “Trademark Acquisition”).

In connection with and upon the completion of the Trademark Acquisition, on September 12, 2025, each of the Company and TOYO Solar entered into a trademark license agreement with VSUN (each, a “Trademark License Agreement”), pursuant to which the TOYO Group agreed to grant to VSUN a license for VSUN and its subsidiaries and affiliates to use the Subject Trademarks for one (1) year in connection with VSUN’s business purposes, including but not limited to, the manufacturing, promotion, advertising, distribution and sales (the “Trademark License”).

On September 1, 2026, each of the Company and TOYO Solar entered into an amendment to its respective Trademark License Agreement with VSUN (each, an “Amendment”), effective as of September 12, 2026. Pursuant to the Amendments, the parties agreed to extend the term of each Trademark License Agreement from one (1) year to three (3) years. The Amendments also provide that, commencing after September 12, 2026, the license grant will not include rights to use the Subject Trademarks in the United States of America, and the term “Territory” will not be construed to include the United States of America.

Copies of the Amendments are being furnished as Exhibits 99.1 and 99.2 to this Report on Form 6-K. The foregoing descriptions of the Amendments do not purport to be complete and are subject to, and are qualified in their entirety by, the full text of the Amendments.

1

EXHIBIT INDEX

Exhibit No.		Description
99.1		Amendment to Trademark License Agreement dated September 1, 2026, by and between Vietnam Sunergy Joint Stock Company and Toyo Solar Company Limited
99.2		Amendment to Trademark License Agreement dated September 1, 2026, by and between Vietnam Sunergy Joint Stock Company and TOYO Co., Ltd

2

Signature

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	TOYO Co., Ltd
	By:	/s/ Takahiko Onozuka
	Name:	Takahiko Onozuka
	Title:	Director and Chief Executive Officer

Date: September 3, 2026

3

Exhibit 99.1

Amendment to Trademark License Agreement

This Amendment to Trademark License Agreement (the “Amendment”), dated as of the date of the last signature below but effective as of September 12, 2026 (the “Amendment Effective Date”), is by and between Vietnam Sunergy Joint Stock Company, a Vietnamese company (“Licensee”) and Toyo Solar Company Limited, a Vietnamese company (“Licensor”) (collectively, the “Parties,” or each, individually, a “Party”). All capitalized terms not defined herein shall have the meaning given to them in the Agreement (as such term is defined below).

WHEREAS, the Parties entered into that certain Trademark License Agreement dated as of September 12, 2025 (the “Agreement”), under which Licensor agreed to license the Trademarks to Licensee for a one-year term;

WHEREAS, the Parties now wish to extend the term of the Agreement and the associated license rights related to certain of the Trademarks for a two (2) additional years; and

WHEREAS, the Parties desire that all other terms and conditions of the Agreement remain in full force and effect, except as expressly modified by this Amendment.

NOW, THEREFORE, in consideration of the mutual covenants contained herein and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the Parties agree as follows:

1. Continuation. Except as expressly modified by this Amendment, all terms, provisions, rights and obligations contained in the Agreement shall remain unchanged and in full force and effect. The Agreement, as amended by this Amendment, constitutes the entire agreement and understanding between the Parties with respect to the subject matter hereof.

2. Amendments to Agreement. The Agreement is amended as follows:

a. License Grant. The following sentence shall be added to the end of Section 1(a): “Commencing after the one (1) year anniversary of the Effective Date, the foregoing license grant does not include any rights to use the Trademarks in the United States of America nor shall the term “Territory” be construed to include the United States of America.”

b. Term. The language in Section 6(a) is replaced with the following: “This Agreement shall commence on the Effective Date and continue for three (3) years.”

3. Counterparts. This Amendment may be executed in counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument. Signatures transmitted electronically or by PDF shall be deemed to have the same force and effect as original signatures.

IN WITNESS WHEREOF, the Parties have executed this Amendment as of the last date signed below, but intending to be bound hereby as of the Amendment Effective Date.

	VIETNAM SUNERGY JOINT STOCK COMPANY
	By	/s/ Ogata Hiroyuki
	Name:	Ogata Hiroyuki
	Title:	CEO
	Date:	September 1, 2026
	TOYO SOLAR COMPANY LIMITED
	By	/s/ Ryu Junsei
	Name:	Ryu Junsei
	Title:	CEO and Director
	Date:	September 1, 2026

Exhibit 99.2

Amendment to Trademark License Agreement

This Amendment to Trademark License Agreement (the “Amendment”), dated as of the date of the last signature below but effective as of September 12, 2026 (the “Amendment Effective Date”), is by and between Vietnam Sunergy Joint Stock Company, a Vietnamese company (“Licensee”) and TOYO Co., Ltd, a Cayman Islands company (“Licensor”) (collectively, the “Parties,” or each, individually, a “Party”). All capitalized terms not defined herein shall have the meaning given to them in the Agreement (as such term is defined below).

WHEREAS, the Parties entered into that certain Trademark License Agreement dated as of September 12, 2025 (the “Agreement”), under which Licensor agreed to license the Trademarks to Licensee for a one-year term;

WHEREAS, the Parties now wish to extend the term of the Agreement and the associated license rights related to certain of the Trademarks for a two (2) additional years; and

WHEREAS, the Parties desire that all other terms and conditions of the Agreement remain in full force and effect, except as expressly modified by this Amendment.

NOW, THEREFORE, in consideration of the mutual covenants contained herein and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the Parties agree as follows:

1. Continuation. Except as expressly modified by this Amendment, all terms, provisions, rights and obligations contained in the Agreement shall remain unchanged and in full force and effect. The Agreement, as amended by this Amendment, constitutes the entire agreement and understanding between the Parties with respect to the subject matter hereof.

2. Amendments to Agreement. The Agreement is amended as follows:

a. License Grant. The following sentence shall be added to the end of Section 1(a): “Commencing after the one (1) year anniversary of the Effective Date, the foregoing license grant does not include any rights to use the Trademarks in the United States of America nor shall the term “Territory” be construed to include the United States of America.”

b. Term. The language in Section 6(a) is replaced with the following: “This Agreement shall commence on the Effective Date and continue for three (3) years.”

c. Trademarks. Schedule 2 of the Agreement is replaced with the attached revised Schedule 2.

3. Counterparts. This Amendment may be executed in counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument. Signatures transmitted electronically or by PDF shall be deemed to have the same force and effect as original signatures.

IN WITNESS WHEREOF, the Parties have executed this Amendment as of the last date signed below, but intending to be bound hereby as of the Amendment Effective Date.

	VIETNAM SUNERGY JOINT STOCK COMPANY
	By	/s/ Ogata Hiroyuki
	Name:	Ogata Hiroyuki
	Title:	CEO
	Date:	September 1, 2026
	TOYO CO., LTD
	By	/s/ Takahiko Onozuka
	Name:	Takahiko Onozuka
	Title:	CEO
	Date:	September 1, 2026

Revised Schedule 2

SCHEDULE 2

Trademark/Territory

Filing Exhibits & Attachments

2 documents

Press Releases

• EX-99.1 AMENDMENT TO TRADEMARK LICENSE AGREEMENT DATED SEPTEMBER 1, 2026, BY AND BETWEEN 13.4 KB
• EX-99.2 AMENDMENT TO TRADEMARK LICENSE AGREEMENT DATED SEPTEMBER 1, 2026, BY AND BETWEEN 15.3 KB