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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 0001820190 XXXXXXXX LIVE 2 Common Stock, par value $0.0001 per share 12/29/2025 false 0001682149 86633R609 DATAVAULT AI INC. 15268 NW Greenbrier Pkwy Beaverton OR 97006 Henry Ji (650) 516-4310 960 San Antonio Rd Palo Alto CA 94303 0001820190 N Scilex Holding Company b OO N DE 244445260 0 244445260 0 244445260 N 42.6 CO Note to Row 13: Percent of class beneficially owned is calculated based on 573,845,574 shares of common stock, par value $0.0001 per share ("Common Stock"), of Datavault AI Inc. (the "Issuer") outstanding as of December 30, 2025. Common Stock, par value $0.0001 per share DATAVAULT AI INC. 15268 NW Greenbrier Pkwy Beaverton OR 97006 This Amendment No. 1 ("Amendment No. 2) to Schedule 13D is being filed by Scilex Holding Company, a Delaware corporation ("SHC" or the "Reporting Person"), to amend the Schedule 13D originally filed with the Securities and Exchange Commission ("SEC") by the Reporting Person on October 2, 2025 (as previously amended by Amendment No. 1, the "Schedule 13D"). This Amendment No. 2 amends and supplements the Schedule 13D as specifically set forth herein. Except as specifically provided herein, this Amendment No. 2 does not modify any of the information previously reported in the Schedule 13D. All capitalized terms contained herein but not otherwise defined shall have the meanings ascribed to such terms in the Schedule 13D. Information given in response to each item shall be deemed incorporated by reference in all other items, as applicable. Not applicable. Not applicable. Not applicable. Not applicable. Not applicable. Not applicable. Not applicable. Not applicable. The Reporting Person is deemed to be the beneficial owner of 244,445,260 shares of Common Stock held directly by the Reporting Person, representing approximately 42.60% of the issued and outstanding Common Stock. The information contained in rows 7 through 10 on the cover page of this Amendment No. 2 for the Reporting Person is incorporated herein by reference in its entirety. Except as disclosed herein, the Reporting Person has not effected transactions in the Common Stock since the date of the filing of the Schedule 13D. Date of Transaction Amount of Common Stock Average Price per Shares ($) 12/26/2025 3,689,016 0.7509 12/29/2025 7,310,984 0.6555 12/30/2025 9,657,300 0.5394 Not applicable. Not applicable. On December 1, 2025, the Reporting Person entered into a Non-Recourse Loan and Securities Pledge Agreement (the "Loan Agreement") with The St. James Bank & Trust Company Ltd., a corporation existing under the laws of the Bahamas (the "Lender"), pursuant to which the Lender agreed to loan the Reporting Person an aggregate principal amount of up to $50 million in one or more tranches (the "Loan"). Pursuant to the terms of the Loan Agreement, the Reporting Person agreed to pledge approximately 39.2 million shares of Common Stock currently held by the Reporting Person (the "Pledged Securities") in favor of the Lender as security for the Reporting Person's satisfaction of its obligations thereunder. On December 8, 2025, the Reporting Person and the Lender entered into an amendment to the Loan Agreement pursuant to which the total aggregate principal amount available under the Loan Agreement was increased to $100 million. Additionally, the amount of Pledged Securities was increased to 85.8 million shares of Common Stock. Exhibit 4 - Non-Recourse Loan and Securities Pledge Agreement, dated December 1, 2025, by and between Scilex Holding Company and The St. James Bank & Trust Company Ltd. (incorporated by reference to Exhibit 10.1 to the Reporting Person's Current Report on Form 8-K filed with the SEC on December 5, 2025). Exhibit 5 - Amendment to Non-Recourse Loan and Securities Pledge Agreement, dated December 8, 2025, by and between Scilex Holding Company and The St. James Bank & Trust Company Ltd. (incorporated by reference to Exhibit 10.1 to the Reporting Person's Current Report on Form 8-K filed with the SEC on December 12, 2025). Scilex Holding Company /s/ Henry Ji Henry Ji, Chief Executive Officer and President 12/31/2025