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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Name of Issuer)

(Title of Class of Securities)

(CUSIP Number)

(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 13D/A 0001755804 XXXXXXXX LIVE 2 Common Stock 08/08/2025 false 0001682149 86633R609 Datavault AI Inc. 15268 NW Greenbrier Pkwy Beaverton OR 97006 Nathaniel Bradley 520-631-9595 48 Wall Street, Floor 11 New York NY 10005 0001755804 N Nathaniel Bradley OO N X1 0.00 9645952.00 0.00 9645952.00 9645952.00 N 9.9 IN Mr. Bradley is Chief Executive Officer and sole director of EOS Technology Holdings Inc. (formerly known as Data Vault Holdings Inc.) and the spouse of Sonia Choi. The shares beneficially owned by Mr. Bradley consist of 4,265,361 shares held directly by Mr. Bradley, 2,399,911 shares held directly by EOS Technology Holdings Inc., and 2,980,680 shares held directly by Ms. Choi. 0001918125 N Sonia Choi OO N X1 0.00 7246041.00 0.00 7246041.00 7246041.00 N 7.4 IN Ms. Choi is the spouse of Mr. Bradley. The shares beneficially owned by Ms. Choi consist of 2,980,680 shares held directly by Ms. Choi and 4,265,361 shares held directly by Mr. Bradley. 0001882356 N EOS Technology Holdings Inc. OO N DE 0.00 2399911.00 0.00 2399911.00 2399911.00 N 2.5 CO These shares are held directly by EOS Technology Holdings Inc. Common Stock Datavault AI Inc. 15268 NW Greenbrier Pkwy Beaverton OR 97006 This Amendment No. 2 to Schedule 13D (this "Amendment No. 2") relating to the shares of common stock, par value $0.0001 per share ("Common Stock"), of Datavault AI Inc., a Delaware corporation (the "Issuer"), amends and supplements the Schedule 13D originally filed by the Reporting Persons with the Securities and Exchange Commission (the "SEC") on January 13, 2025 (the "Original Schedule 13D"), as amended by the Amendment No. 1 to Schedule 13D, filed by the Reporting Persons with the SEC on June 27, 2025 (the "Amendment No. 1" and, together with the Original Schedule 13D, the "Schedule 13D"). Except as specifically amended below, all other provisions of the Schedule 13D remain in effect. Capitalized terms used herein but not defined herein have the respective meanings ascribed to them in the Schedule 13D. The information set forth in Item 2(a) of Amendment No. 1 is incorporated herein by reference. The information set forth in Item 2(c) of Amendment No. 1 is incorporated herein by reference. Item 3 of the Schedule 13D is amended to add the following: On September 20, 2025, Mr. Bradley received 50,000 shares as a result of the scheduled vesting of a portion of the RSUs granted on January 2, 2025 as compensation for Mr. Bradley's service as an officer of the Issuer. On July 10, 2025, Mr. Bradley received 500,000 restricted shares as compensation for his service as an employee of the Issuer pursuant to the issuer's 2018 Long-Term Stock Incentive Plan. Item 4 of the Schedule 13D is amended to add the following: 300,000 shares of Common Stock of the issuer were transferred by EOS Technology Holdings Inc. ("EOS") to a third party in connection with that certain Settlement Agreement and Release of all Claims, dated as of July 30, 2025, by and between the Issuer, Mr. Bradley, and various other parties. An aggregate of 300,000 shares of Common Stock of the Issuer were transferred by EOS to two separate third parties in connection with one Settlement Agreement and Release, dated as of July 31, 2025, by and between EOS, Mr. Bradley, and one of the third parties receiving shares of Common Stock. 1,000,000 shares of Common Stock of the Issuer were transferred by EOS to a third party in connection with a services agreement, dated as of August 8, 2025 (the "Services Agreement"), by and between EOS and the services provider under the Services Agreement. To the extent required, the disclosure in Item 3 of this Amendment No. 2 is incorporated by reference in this Item 4. Item 5(a) of the Schedule 13D is amended and restated as follows: The percentage ownership of shares of Common Stock set forth in this Amendment No. 2 is based upon 97,692,374 shares outstanding as of July 30, 2025. Item 5(b) of the Schedule 13D is amended and restated as follows: As of the date of this Amendment No. 2, Mr. Bradley beneficially owned 9,645,952 shares, consisting of 4,265,361 shares held directly by Mr. Bradley, 2,399,911 shares held directly by EOS Technology Holdings Inc., and 2,980,680 shares held directly by Ms. Choi. As of the date of this Amendment No. 2, Ms. Choi beneficially owned 7,246,041 shares, consisting of 2,980,680 shares held directly by Ms. Choi and 4,265,361 shares held directly by Mr. Bradley. As of the date of this Amendment No. 2, EOS beneficially owned 2,399,911 shares, held directly by EOS. Except as set forth in Item 4 of the Schedule 13D, the Reporting Persons have not engaged in any transaction with respect to the Common Stock during the sixty days prior to the date of filing this Amendment No. 2. The information set forth in Item 2(a) of Amendment No. 1 is incorporated herein by reference. Nathaniel Bradley /s/ Nathaniel Bradley Nathaniel Bradley 08/12/2025 Sonia Choi /s/ Sonia Choi Sonia Choi 08/12/2025 EOS Technology Holdings Inc. /s/ Nathaniel Bradley Nathaniel Bradley, CEO 08/12/2025