SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549


SCHEDULE 13G


UNDER THE SECURITIES EXCHANGE ACT OF 1934
Helius Medical Technologies, Inc.
(Name of Issuer)


Class A Common Stock, $0.001 par value per share
(Title of Class of Securities)


42328V876
(CUSIP Number)


09/18/2025
(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.
42328V876


1 Names of Reporting Persons

Solana Rocket Holdings Limited
2 Check the appropriate box if a member of a Group (see instructions)

☐  (a)
☐  (b)
3SEC Use Only
4 Citizenship or Place of Organization

VIRGIN ISLANDS, BRITISH
Number of Shares Beneficially Owned by Each Reporting Person With:
5 Sole Voting Power: 0.00
6 Shared Voting Power: 4,040,871.00
7 Sole Dispositive Power: 0.00
8 Shared Dispositive Power: 4,040,871.00
9 Aggregate Amount Beneficially Owned by Each Reporting Person

4,040,871.00
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)

9.99 %
12 Type of Reporting Person (See Instructions)

CO

Comment for Type of Reporting Person: Note to Rows 6,8 and 9: The amount beneficially owned consists of (i) 3,887,319 shares of Common Stock, (ii) certain pre-funded warrants to purchase up to 10,936,107 shares of Common Stock, and (iii) certain cash stapled warrants to purchase up to 14,823,426 shares of Common Stock (together, the "Warrants"), all of which are held directly by Solana Rocket Holdings Limited. Mr. CHUNG Wai Shing is the controlling shareholder of Solana Rocket Holdings Limited and, as such, may be deemed to beneficially own the securities reported herein. As a result of the Beneficial Ownership Blocker (as defined in Item 4), beneficial ownership of the Reporting Persons is capped at 9.99% of the outstanding shares of Common Stock, representing 4,040,871 shares of Common Stock calculated as described herein as of September 24, 2025. Note to Row 11: The percentage of beneficial ownership is calculated based on (i) 40,295,612 shares of Common Stock outstanding as of September 24, 2025, which is provided by the Issuer to the Reporting Persons, and (ii) 153,552 shares of Common Stock issuable upon the partial exercise of the Warrants held by Solana Rocket Holdings Limited, which reflects the Beneficial Ownership Blocker.


SCHEDULE 13G
CUSIP No.
42328V876


1 Names of Reporting Persons

CHUNG Wai Shing
2 Check the appropriate box if a member of a Group (see instructions)

☐  (a)
☐  (b)
3SEC Use Only
4 Citizenship or Place of Organization

HONG KONG
Number of Shares Beneficially Owned by Each Reporting Person With:
5 Sole Voting Power: 0.00
6 Shared Voting Power: 4,040,871.00
7 Sole Dispositive Power: 0.00
8 Shared Dispositive Power: 4,040,871.00
9 Aggregate Amount Beneficially Owned by Each Reporting Person

4,040,871.00
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)

9.99 %
12 Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: Note to Rows 6,8 and 9: The amount beneficially owned consists of (i) 3,887,319 shares of Common Stock, (ii) certain pre-funded warrants to purchase up to 10,936,107 shares of Common Stock, and (iii) certain cash stapled warrants to purchase up to 14,823,426 shares of Common Stock (together, the "Warrants"), all of which are held directly by Solana Rocket Holdings Limited. Mr. CHUNG Wai Shing is the controlling shareholder of Solana Rocket Holdings Limited and, as such, may be deemed to beneficially own the securities reported herein. As a result of the Beneficial Ownership Blocker (as defined in Item 4), beneficial ownership of the Reporting Persons is capped at 9.99% of the outstanding shares of Common Stock, representing 4,040,871 shares of Common Stock calculated as described herein as of September 24, 2025. Note to Row 11: The percentage of beneficial ownership is calculated based on (i) 40,295,612 shares of Common Stock outstanding as of September 24, 2025, which is provided by the Issuer to the Reporting Persons, and (ii) 153,552 shares of Common Stock issuable upon the partial exercise of the Warrants held by Solana Rocket Holdings Limited, which reflects the Beneficial Ownership Blocker.



SCHEDULE 13G

Item 1. 
(a) Name of issuer:

Helius Medical Technologies, Inc.
(b) Address of issuer's principal executive offices:

642 Newtown Yardley Road, Suite 100, Newtown, PENNSYLVANIA, PA, 18940
Item 2. 
(a) Name of person filing:

This Schedule 13G is being filed jointly by Solana Rocket Holdings Limited, a British Virgin Islands business company ("Solana Rocket"), and Mr. CHUNG Wai Shing, an individual (collectively, the "Reporting Persons"). Mr. CHUNG Wai Shing is the controlling shareholder of Solana Rocket. As a result, Mr. CHUNG Wai Shing may be deemed to share voting and dispositive power with respect to the securities held by Solana Rocket. An agreement between the Reporting Persons to file this Schedule 13G jointly is attached as Exhibit 99.1.
(b) Address or principal business office or, if none, residence:

The principal business address for both Reporting Persons is 3rd Floor, J & C Building, Road Town, Tortola, British Virgin Islands, VG1110.
(c) Citizenship:

Solana Rocket: British Virgin Islands CHUNG Wai Shing: Hong Kong, China
(d) Title of class of securities:

Class A Common Stock, $0.001 par value per share
(e) CUSIP No.:

42328V876
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:

Solana Rocket held 3,887,319 shares of Common Stock, certain pre-funded warrants to purchase up to 10,936,107 shares of Common Stock, and certain cash stapled warrants to purchase up to 14,823,426 shares of Common Stock (together, the "Warrants"). The Reporting Persons are prohibited from exercising the Warrants if, as a result of such exercise, the Reporting Persons (together with their affiliates) would beneficially own more than 9.99% of the total number of shares of Common Stock then issued and outstanding immediately after giving effect to the exercise (the "Beneficial Ownership Blocker"). Accordingly, pursuant to Rule 13d-3 of the Act, the Reporting Persons may be deemed to beneficially own 9.99% of the outstanding shares of Common Stock, representing 4,040,871 shares of Common Stock as of September 24, 2025. The calculation of beneficial ownership of the Reporting Persons is based on (i) 40,295,612 shares of Common Stock outstanding as of September 24, 2025, which is provided by the Issuer to the Reporting Persons, and (ii) 153,552 shares of Common Stock issuable upon the partial exercise of the Warrants held by Solana Rocket, which reflects the Beneficial Ownership Blocker.
(b) Percent of class:

9.99%.  %
(c) Number of shares as to which the person has:
  (i) Sole power to vote or to direct the vote:

0

  (ii) Shared power to vote or to direct the vote:

4,040,871

  (iii) Sole power to dispose or to direct the disposition of:

0

  (iv) Shared power to dispose or to direct the disposition of:

4,040,871

Item 5.Ownership of 5 Percent or Less of a Class.
 
Item 6.Ownership of more than 5 Percent on Behalf of Another Person.
 
Not Applicable
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.
 
Not Applicable
Item 9.Notice of Dissolution of Group.
 
Not Applicable

Item 10.Certifications:
 
Not Applicable

    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.

 
Solana Rocket Holdings Limited
 Signature:/s/ Cheng Rutang
 Name/Title:Cheng Rutang, Director
 Date:10/02/2025
 
CHUNG Wai Shing
 Signature:/s/ CHUNG Wai Shing
 Name/Title:CHUNG Wai Shing, Individually
 Date:10/02/2025
Exhibit Information: Exhibit 99.1 - Joint Filing Agreement, dated as of September 29, 2025, by and between Solana Rocket Holdings Limited and CHUNG Wai Shing.

 

Exhibit 99.1

 

Joint Filing Agreement

 

In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with all other Reporting Persons (as such term is defined in the Schedule 13G referred to below) on behalf of each of them of a statement on Schedule 13G (including amendments thereto) with respect to the Class A Common Stock, $0.001 par value per share, of Helius Medical Technologies, Inc., a Delaware corporation, and that this Agreement may be included as an exhibit to such joint filing. This Agreement may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument.

 

IN WITNESS WHEREOF, the undersigned hereby execute this Agreement as of October 02, 2025.

 

  Solana Rocket Holdings Limited
   
  By: /s/ Cheng Rutang
  Name: Cheng Rutang
  Title: Director
   
  CHUNG Wai Shing
   
  /s/ CHUNG Wai Shing