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Form 8-K

sec.gov

8-K — Datavault AI Inc.

Accession: 0001104659-26-076353

Filed: 2026-06-22

Period: 2026-06-15

CIK: 0001682149

SIC: 7389 (SERVICES-BUSINESS SERVICES, NEC)

Item: Changes in Registrant's Certifying Accountant

Item: Financial Statements and Exhibits

Documents

8-K — tm2618418d1_8k.htm (Primary)

EX-16.1 — EXHIBIT 16.1 (tm2618418d1_ex16-1.htm)

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8-K — FORM 8-K

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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): June 15, 2026

Datavault AI Inc.

(Exact Name of Registrant as Specified in its Charter)

Delaware

001-38608

30-1135279

(State or other jurisdiction of

incorporation)

(Commission

File Number)

(IRS Employer

Identification No.)

One Commerce Square,

2005

Market Street, Suite 2400,

Philadelphia, PA

19103

(Address of Principal Executive

Offices)

(Zip Code)

(408) 627-4716

(Registrant’s telephone

number, including area code)

Not applicable

(Former Name or former address if changed

from last report.)

Check the

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

the following provisions (see General Instruction A.2. below):

¨

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 Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which

registered

Common Stock, par value $0.0001 per share

DVLT

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 4.01. Changes in Registrant’s Certifying

Accountant.

On June 15, 2026, BPM LLP (“BPM”)

notified Datavault AI Inc. (the “Company”) of its decision to resign as the Company’s independent registered public

accounting firm effective immediately. The Company is currently in the process of selecting a successor independent registered public

accounting firm and, as required by the rules and regulations of the U.S. Securities and Exchange Commission (“SEC”), will

disclose its engagement of a new independent registered public accounting firm once the selection process has been completed.

The reports of BPM on the Company’s consolidated

financial statements for the fiscal years ended December 31, 2025 and 2024 did not contain an adverse opinion or disclaimer of opinion,

nor were such reports qualified or modified as to uncertainty, audit scope, or accounting principles. During the fiscal years ended December

31, 2025 and 2024, and in the subsequent interim period through June 15, 2026, there have been no disagreements (within the meaning

of Item 304(a)(1)(iv) of Regulation S-K and the related instructions) with BPM on any matters of accounting principles or practices,

financial statement disclosure or auditing scope and procedure, which disagreements, if not resolved to the satisfaction of BPM,

would have caused BPM to make reference thereto in its reports.

During the fiscal years ended December 31, 2025

and 2024, and in the subsequent interim period through June 15, 2026, there were no reportable events (as that term is described in Item

304(a)(1)(v) of Regulation S-K).

The Company provided a copy of the foregoing disclosures

to BPM and requested that BPM furnish it with a letter addressed to the SEC stating whether BPM agrees with the above statements. A copy

of BPM’s letter, dated June 22, 2026 is filed as Exhibit 16.1 to this Current Report on Form 8-K.

Item 9.01. Financial

Statements and Exhibits.

(d) Exhibits.

Exhibit

Number

Description

16.1

Letter from BPM LLP, dated June 22, 2026

104

Cover Page Interactive Data File, formatted in Inline Extensible Business Reporting Language (iXBRL)

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: June 22, 2026

DATAVAULT AI INC.

By:

/s/ Nathaniel Bradley

Name:

Nathaniel Bradley

Title:

Chief Executive Officer

EX-16.1 — EXHIBIT 16.1

EX-16.1

Filename: tm2618418d1_ex16-1.htm · Sequence: 2

Exhibit 16.1

June 22, 2026

Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

Commissioners:

We have read the statements made by

Datavault AI Inc., which we understand will be filed with the Securities and Exchange Commission, pursuant to Item 4.01 of the

Current Report on Form 8-K of Datavault AI Inc. dated June 15, 2026. We agree with the statements concerning our Firm contained

therein.

Sincerely,

/s/ BPM LLP

Irvine, California

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