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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 0001820190 XXXXXXXX LIVE Common Stock, par value $0.0001 per share 10/23/2025 false 0001682149 86633R609 DATAVAULT AI INC. 15268 NW Greenbrier Pkwy Beaverton OR 97006 Henry Ji, Ph.D. (650) 516-4310 Scilex Holding Company 960 San Antonio Rd, Palo Alto CA 94303 0001820190 N Scilex Holding Company b OO N DE 265102560 0 265102560 0 265102560 N 47.99 CO Note to Row 13: Percent of class beneficially owned is calculated based on 552,403,421 shares of common stock, par value $0.0001 per share ("Common Stock"), of Datavault AI Inc. (the "Issuer") outstanding as of November 25, 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. 1) to Schedule 13D is being filed by Scilex Holding Company, a Delaware corporation ("SHC" or the "Reporting Person"), to amend the Schedule 13D filed with the Securities and Exchange Commission ("SEC") by the Reporting Person on October 2, 2025 (the "Schedule 13D"). This Amendment No. 1 amends and supplements the Schedule 13D as specifically set forth herein. Except as specifically provided herein, this Amendment No. 1 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. For Item 2(a), see Schedule 13D filed on October 2, 2025. For Item 2(b), see Schedule 13D filed on October 2, 2025. For Item 2(c), see Schedule 13D filed on October 2, 2025. For Item 2 (d), see Schedule 13D filed on October 2, 2025. For Item 2(e), see Schedule 13D filed on October 2, 2025. For Item 2(f), see Schedule 13D filed on October 2, 2025. For Item 3, see Schedule 13D filed on October 2, 2025. Item 4 of the Schedule 13D is amended by adding the following information: On November 24, 2025 Datavault obtained the Stockholder Approval for the transactions contemplated by the Datavault SPA. On November 25, 2025, the purchase and sale of the Pre-Funded Warrant pursuant to the Datavault SPA was completed (the "Additional Closing"). The Pre-Funded Warrant was purchased for an aggregate of approximately $141.9 million in Bitcoin ("BTC") (based on the spot exchange rate of BTC as of the date immediately prior to the Initial Datavault Closing Date, as determined pursuant to the terms of the Datavault SPA). On November 25, 2025, following the Additional Closing, Scilex exercised in full the Pre-Funded Warrant for an aggregate exercise price of approximately $26.4 thousand, paid in cash. The Reporting Person is deemed to be the beneficial owner of 265,102,560 shares of Common Stock held directly by the Reporting Person, representing approximately 47.99% of the issued and outstanding Common Stock. The information contained in rows 7 through 10 on the cover page of this Schedule 13D for the Reporting Person is incorporated herein by reference in its entirety. Except as disclosed in this Amendment No. 1's Exhibit 1, the Reporting Person has not effected transactions in the Common Stock since the date of the filing of the Schedule 13D. Not applicable. Not applicable. For Item 6, see Schedule 13D filed on October 2, 2025. Scilex Holding Company /s/ Henry Ji Henry Ji, Ph.D., Chief Executive Officer and President 12/01/2025