If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).




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SCHEDULE 13D




Comment for Type of Reporting Person:
(1) Represents 2,782,443 shares of common stock of the Issuer (the "Shares") held of record by Wealthy Concord Limited. Does not include any Shares that the Reporting Person may be deemed to beneficially own pursuant to its membership in a group within the meaning of Rule 13d-5(b)(1) under the Securities Exchange Act of 1934, as amended. See Item 5. (2) The percentage of class of securities beneficially owned by the Reporting Person is approximately 4.6%, calculated based on a total of 60,759,711 Shares issued and outstanding as of April 10, 2026, as reported by the Issuer in its Quarterly Report on Form 10-Q for the quarter ended March 31, 2026.


SCHEDULE 13D




Comment for Type of Reporting Person:
(1) Represents 2,782,443 Shares held of record by East Valley Technology Limited. Does not include any Shares that the Reporting Person may be deemed to beneficially own pursuant to its membership in a group within the meaning of Rule 13d-5(b)(1) under the Securities Exchange Act of 1934, as amended. See Item 5. (2) The percentage of class of securities beneficially owned by the Reporting Person is approximately 4.6%, calculated based on a total of 60,759,711 Shares issued and outstanding as of April 10, 2026, as reported by the Issuer in its Quarterly Report on Form 10-Q for the quarter ended March 31, 2026.


SCHEDULE 13D




Comment for Type of Reporting Person:
(1) Represents 2,782,443 Shares held of record by Wealthy Concord Limited, over which Mr. Zhang has sole voting power and sole dispositive power by virtue of (i) his ownership of 51% of the issued share capital of Wealthy Concord Limited, (ii) his position as sole director of Wealthy Concord Limited, and (iii) the written authorization of the other shareholder of Wealthy Concord Limited to act as sole authorized signatory of Wealthy Concord Limited in respect of the Proposed Transaction. Does not include any Shares that the Reporting Person may be deemed to beneficially own pursuant to his membership in a group within the meaning of Rule 13d-5(b)(1) under the Securities Exchange Act of 1934, as amended. See Item 5. (2) The percentage of class of securities beneficially owned by the Reporting Person is approximately 4.6%, calculated based on a total of 60,759,711 Shares issued and outstanding as of April 10, 2026, as reported by the Issuer in its Quarterly Report on Form 10-Q for the quarter ended March 31, 2026.


SCHEDULE 13D




Comment for Type of Reporting Person:
(1) Represents 2,782,443 Shares held of record by East Valley Technology Limited, over which Ms. Cui has sole voting power and sole dispositive power by virtue of her ownership of 50,000 shares (representing 100%) of the issued share capital and her position as sole director of East Valley Technology Limited. Does not include any Shares that the Reporting Person may be deemed to beneficially own pursuant to her membership in a group within the meaning of Rule 13d-5(b)(1) under the Securities Exchange Act of 1934, as amended. See Item 5. (2) The percentage of class of securities beneficially owned by the Reporting Person is approximately 4.6%, calculated based on a total of 60,759,711 Shares issued and outstanding as of April 10, 2026, as reported by the Issuer in its Quarterly Report on Form 10-Q for the quarter ended March 31, 2026.


SCHEDULE 13D


 
Wealthy Concord Ltd
 
Signature:/s/ ZHANG Binyang
Name/Title:ZHANG Binyang, Sole Director
Date:05/01/2026
 
East Valley Technology Ltd
 
Signature:/s/ CUI Runan
Name/Title:CUI Runan, Sole Director
Date:05/01/2026
 
ZHANG Binyang
 
Signature:/s/ ZHANG Binyang
Name/Title:ZHANG Binyang, Individual
Date:05/01/2026
 
CUI Runan
 
Signature:/s/ CUI Runan
Name/Title:CUI Runan, Individual
Date:05/01/2026

ATTACHMENTS / EXHIBITS

ATTACHMENTS / EXHIBITS

CONSORTIUM-AGREEMENT_WC-EVT_20260501

JOINT-FILING-AGREEMENT_RULE-13D-1K_20260501

PROPOSAL-LETTER_GDC_GOING-PRIVATE_20260501