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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

Current Report Pursuant to Section 13 or 15(d) of

the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported):

December 5, 2025

NEXALIN TECHNOLOGY, INC.

(Exact name of registrant as specified in its charter)

Delaware |  | 001-41507 |  | 27-5566468
(State or other jurisdiction of incorporation) |  | (Commission File Number) |  | (I.R.S. Employer Identification No.)

1776 Yorktown, Suite 550

Houston, TX 77056

(Address of principal executive offices and zip code)

Registrant’s telephone number, including area code: (832) 260-0222

Check the appropriate box below if the Form 8-K is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ | Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐ | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐ | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐ | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Exchange Act:

Title of each class |  | Trading Symbol(s) |  | Name of each exchange on which registered
Common Stock, par value $0.001 per share |  | NXL |  | The Nasdaq Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

| Item 8.01. | Other Events.

Attached is an updated Investor Presentation of Nexalin Technology, Inc., a Delaware corporation, as of December 5, 2025.

| Item 9.01. | Financial Statements and Exhibits.

| (d) | Exhibits

Exhibits |  | Description of Exhibit
99.1 |  | Investor Presentation of Nexalin Technology, Inc. as of December 5, 2025.
104 |  | Cover Page Interactive Data File (embedded within the Inline XBRL Document).

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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 hereunto duly authorized.

Date: December 5, 2025 | Nexalin Technology, Inc.
| By | /s/ Mark White
|  | Mark White,
|  | Chief Executive Officer

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