DXST 6-K

UNITEDSTATES

SECURITIESAND EXCHANGE COMMISSION

Washington,D.C. 20549

FORM6-K

REPORTOF FOREIGN PRIVATE ISSUER

PURSUANTTO RULE 13a-16 OR 15d-16

UNDERTHE SECURITIES EXCHANGE ACT OF 1934

Forthe month of June 2026

CommissionFile Number: 001-42482

DECENTHOLDING INC.

4^th^Floor & 5^th^ Floor North Zone, Dingxin Building

No.106 Aokema Avenue,

LaishanDistrict, Yantai, Shandong Province

People’sRepublic of China 264003

(Addressof principal executive offices)

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

Form 20-F ☒ Form 40-F ☐

On May 21, 2026, Decent Holding Inc. (the “Company”), a Cayman Islands exempted company, entered into a share subscription agreement (the “Subscription Agreement”) with Dingxin Sun, the Chairman of the Company. Pursuant to the terms of the Subscription Agreement, Mr. Sun purchased 400,000 Class B ordinary shares from the Company at a purchase price of $2.00 per share. The transaction closed on June 1, 2026. A copy of the Subscription Agreement is attached hereto as Exhibit 10.1 and is incorporated herein by reference.

Following the closing of the transaction, Mr. Sun beneficially owns, directly or indirectly through Decent Limited, 321,040 Class A ordinary shares and 600,000 Class B ordinary shares of the Company, representing approximately 90.5% of the total voting power of the Company.

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SIGNATURES

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.

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ExhibitIndex

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Exhibit 10.1

Subscription Letter

May 21, 2026

Board of Directors

Decent Holding Inc.

4th Floor & 5th Floor North Zone, Dingxin Building

No. 106 Aokema Avenue,

Laishan District, Yantai, Shandong Province

People’s Republic of China 264003

Dear Sir or Madam

Subscription for Class B Ordinary Shares in Decent Holding Inc.

I, Dingxin Sun, hereby subscribe for 400,000 class B ordinary shares of par value of US$0.0025 each (the “Class B Ordinary Shares”) in Decent Holding Inc., a Cayman Islands exempted company (the “Company”) at a subscription price of US$2 per share, for a total consideration of US$800,000.

The Shares shall be issued subject to the memorandum and articles of association of the Company, and shall not be subject to any additional designations, powers, preferences, rights, qualifications or limitations. The Shares shall rank pari passu in all respect with Class B Ordinary Shares of the Company already in issue.

[Signaturepage to follow]

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Yours faithfully

[Signature page to subscription letter]