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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 4 Common Stock, par value $0.0001 per share 01/12/2026 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 213766229 0 213766229 0 213766229 N 37.27 CO Note to Row 13: Percent of class beneficially owned is calculated based on 573,632,396 shares of common stock, par value $0.0001 per share ("Common Stock"), of Datavault AI Inc. (the "Issuer") outstanding as of January 5, 2026. Common Stock, par value $0.0001 per share DATAVAULT AI INC. 15268 NW Greenbrier Pkwy Beaverton OR 97006 This Amendment No. 4 ("Amendment No. 4") to Schedule 13D is being filed by Scilex Holding Company, a Delaware corporation ("SHC" or the "Reporting Person"), to amend the Schedule 13D originally filed with the Securities and Exchange Commission ("SEC") by the Reporting Person on October 2, 2025 (as previously amended by Amendment No. 1, Amendment No. 2 and Amendment No. 3, the "Schedule 13D"). This Amendment No. 4 amends and supplements the Schedule 13D as specifically set forth herein. Except as specifically provided herein, this Amendment No. 4 does not modify any of the information previously reported in the Schedule 13D. All capitalized terms contained herein but not otherwise defined shall have the meanings ascribed to such terms in the Schedule 13D. Information given in response to each item shall be deemed incorporated by reference in all other items, as applicable. Not applicable. Not applicable. Not applicable. Not applicable. Not applicable. Not applicable. Not applicable. Not applicable. The Reporting Person is deemed to be the beneficial owner of 213,766,229 shares of Common Stock held directly by the Reporting Person, representing approximately 37.27% of the issued and outstanding Common Stock. The information contained in rows 7 through 10 on the cover page of this Amendment No. 4 for the Reporting Person is incorporated herein by reference in its entirety. Except as disclosed herein, the Reporting Person has not effected transactions in the Common Stock since the date of the filing of the Amendment No. 3 to Schedule 13D. Date of Transaction Amount of Common Stock Average Price per Shares ($) 1/12/2026 10,674,816 0.878 1/13/2026 175,139 0.9117 1/14/2026 5,115,586 0.7201 Not applicable. Not applicable. Not applicable. Not applicable. Scilex Holding Company /s/ Stephen Ma Stephen Ma, Chief Financial Officer, Chief Operating Officer, and Secretary 01/14/2026