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As filed with the Securities and Exchange Commission on May 4, 2026

Registration No. 333-295419

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Amendment No. 1
to

FORM S-3

REGISTRATION STATEMENT UNDER
THE SECURITIES ACT OF 1933

DATAVAULT AI INC.

(Exact name of registrant as specified in its charter)

	Delaware			30-1135279
	(State or other jurisdiction of incorporation or organization)			(I.R.S. Employer Identification Number)

Datavault AI Inc.
One Commerce Square
2005 Market Street, Suite 2400
Philadelphia, PA 19103
(408) 627-4716

(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

Nathaniel Bradley
Chief Executive Officer
Datavault AI Inc.
One Commerce Square
2005 Market Street, Suite 2400
Philadelphia, PA 19103
(408) 627-4716

(Name, address including zip code, and telephone number, including area code, of agent for service)

With copies to:

David E. Danovitch, Esq.
Joseph E. Segilia, Esq.
Sullivan & Worcester LLP
1251 Avenue of the Americas
New York, NY 10020
(212) 660-3060

Approximate date of commencement of proposed sale to the public: From time to time after the effective date of this registration statement.

If the only securities being registered on this Form are being offered pursuant to dividend or interest reinvestment plans, please check the following box: ☐

If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, other than securities offered only in connection with dividend or interest reinvestment plans, check the following box: ☒

If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐

If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐

If this Form is a registration statement pursuant to General Instruction I.D. or a post-effective amendment thereto that shall become effective upon filing with the Commission pursuant to Rule 462(e) under the Securities Act, check the following box. ☐

If this Form is a post-effective amendment to a registration statement filed pursuant to General Instruction I.D. filed to register additional securities or additional classes of securities pursuant to Rule 413(b) under the Securities Act, check the following box. ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

	Large accelerated filer: ☐			Accelerated filer: ☐
	Non-accelerated filer: ☒			Smaller reporting company: ☒
				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 7(a)(2)(B) of the Securities Act. ☐

The registrant hereby amends this registration statement on such date or dates as may be necessary to delay its effective date until the registrant shall file a further amendment that specifically states that this registration statement shall thereafter become effective in accordance with the provisions of Section 8(a) of the Securities Act of 1933 or until this registration statement shall become effective on such date as the Commission, acting pursuant to said Section 8(a), may determine.

Explanatory Note

This Pre-Effective Amendment No. 1 to the Registration Statement on Form S-3 (File No. 333-295419) (the “Registration Statement”) is being filed solely for the purpose of including the delaying amendment language set forth on the cover page hereto. This Pre-Effective Amendment No. 1 does not modify any provision of the prospectus that forms a part of the Registration Statement and, accordingly, such prospectus has not been included herein. This Pre-Effective Amendment No. 1 is not intended to amend or delete any part of the Registration Statement except as specifically noted herein.

PART II — INFORMATION NOT REQUIRED IN PROSPECTUS

Item 14. Other Expenses of Issuance and Distribution.

The following table sets forth an estimate of the fees and expenses relating to the issuance and distribution of the securities being registered hereby, other than underwriting discounts and commissions, all of which shall be borne by the registrant. All of such fees and expenses, except for the SEC registration fee, are estimated:

SEC registration fee	$	281.04
Transfer agent and registrar fees and expenses	$	0
Legal fees and expenses	$	10,000
Printing fees and expenses	$	3,000
Accounting fees and expenses	$	25,000
Miscellaneous fees and expenses	$	718.96
Total	$	39,000

Item 15. Indemnification of Directors and Officers.

Section 145 of the General Corporation Law of the State of Delaware (“DGCL”) provides that a Delaware corporation may indemnify any person who was, is or is threatened to be made, party to any threatened, pending or completed action, suit or proceeding, whether civil, criminal, administrative or investigative (other than an action by or in the right of such corporation), by reason of the fact that such person is or was an officer, director, employee or agent of such corporation or is or was serving at the request of such corporation as a director, officer, employee or agent of another corporation or enterprise. The indemnity may include expenses (including attorneys’ fees), judgments, fines and amounts paid in settlement actually and reasonably incurred by such person in connection with such action, suit or proceeding, provided such person acted in good faith and in a manner he reasonably believed to be in or not opposed to the corporation’s best interests and, with respect to any criminal action or proceeding, had no reasonable cause to believe that his or her conduct was illegal. A Delaware corporation may indemnify any persons who are, were or are a party to any threatened, pending or completed action or suit by or in the right of the corporation by reason of the fact that such person is or was a director, officer, employee or agent of such corporation or is or was serving at the request of such corporation as a director, officer, employee or agent of another corporation or enterprise. The indemnity may include expenses (including attorneys’ fees) actually and reasonably incurred by such person in connection with the defense or settlement of such action or suit, provided such person acted in good faith and in a manner he reasonably believed to be in or not opposed to the corporation’s best interests, provided that no indemnification is permitted without judicial approval if the officer, director, employee or agent is adjudged to be liable to the corporation. Where an officer or director is successful on the merits or otherwise in the defense of any action referred to above, the corporation must indemnify him against the expenses which such officer or director has actually and reasonably incurred.

Section 145 of the DGCL further authorizes a corporation to purchase and maintain insurance on behalf of any person who is or was a director, officer, employee or agent of the corporation or is or was serving at the request of the corporation as a director, officer, employee or agent of another corporation or enterprise, against any liability asserted against such person and incurred by such person in any such capacity, or arising out of their status as such, whether or not the corporation would otherwise have the power to indemnify him under Section 145 of the DGCL.

Our bylaws provide that we must indemnify our directors and officers to the fullest extent permitted by the DGCL and must also pay expenses incurred in defending any such proceeding in advance of its final disposition upon delivery of an undertaking, by or on behalf of an indemnified person, to repay all amounts so advanced if it should be determined ultimately that such person is not entitled to be indemnified.

We have entered into indemnification agreements with certain of our executive officers and directors pursuant to which we have agreed to indemnify such persons against all expenses and liabilities incurred or

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paid by such person in connection with any proceeding arising from the fact that such person is or was an officer or director of our company, and to advance expenses as incurred by or on behalf of such person in connection therewith.

The indemnification rights set forth above shall not be exclusive of any other right which an indemnified person may have or hereafter acquire under any statute, provision of our certificate of incorporation, as amended, our bylaws, agreement, vote of stockholders or disinterested directors or otherwise.

We maintain standard policies of insurance that provide coverage (i) to our directors and officers against loss rising from claims made by reason of breach of duty or other wrongful act and (ii) to us with respect to indemnification payments that we may make to such directors and officers.

See “Item 17. Undertakings” for a description of the SEC’s position regarding such indemnification provisions.

Item 16. Exhibits.

The list of exhibits in the Exhibit Index to this registration statement is incorporated herein by reference.

Item 17. Undertakings.

The undersigned registrant hereby undertakes:

(1)

To file, during any period in which offers or sales are being made, a post-effective amendment to this registration statement:

(i)

To include any prospectus required by Section 10(a)(3) of the Securities Act of 1933, as amended;

(ii)

To reflect in the prospectus any facts or events arising after the effective date of this registration statement (or the most recent post-effective amendment thereof) which, individually or in the aggregate, represent a fundamental change in the information set forth in this registration statement. Notwithstanding the foregoing, any increase or decrease in the volume of securities offered (if the total dollar value of the securities offered would not exceed that which was registered) and any deviation from the low or high end of the estimated maximum offering range may be reflected in the form of prospectus filed with the Securities and Exchange Commission pursuant to Rule 424(b) if, in the aggregate, the changes in volume and price represent no more than a 20% change in the maximum aggregate offering price set forth in the “Calculation of Registration Fee” table in the effective registration statement; and

(iii)

To include any material information with respect to the plan of distribution not previously disclosed in this registration statement or any material change to such information in this registration statement;

provided, however, that the undertakings set forth in paragraphs (1)(i), (1)(ii) and (1)(iii) above do not apply if the information required to be included in a post-effective amendment by those paragraphs is contained in reports filed with or furnished to the Securities and Exchange Commission by the registrant pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934, as amended, that are incorporated by reference in this registration statement or is contained in a form of prospectus filed pursuant to Rule 424(b) that is part of this registration statement;

(2)

That, for the purpose of determining any liability under the Securities Act of 1933, as amended, each such post-effective amendment shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial bona fide offering thereof;

(3)

To remove from registration by means of a post-effective amendment any of the securities being registered which remain unsold at the termination of the offering;

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(4)

That, for the purpose of determining liability under the Securities Act of 1933, as amended, to any purchaser:

(i)

Each prospectus filed by the registrant pursuant to Rule 424(b)(3) shall be deemed to be part of this registration statement as of the date the filed prospectus was deemed part of and included in this registration statement; and

(ii)

Each prospectus required to be filed pursuant to Rule 424(b)(2), (b)(5), or (b)(7) as part of a registration statement in reliance on Rule 430B relating to an offering made pursuant to Rule 415(a)(1)(i), (vii) or (x) for the purpose of providing the information required by Section 10(a) of the Securities Act of 1933, as amended, shall be deemed to be part of and included in the registration statement as of the earlier of the date such prospectus is first used after effectiveness or the date of the first contract of sale of securities in the offering described in the prospectus. As provided in Rule 430B, for liability purposes of the issuer and any person that is at that date an underwriter, such date shall be deemed to be a new effective date of the registration statement relating to the securities in the registration statement to which that prospectus relates, and the offering of such securities at that time shall be deemed to be the initial bona fide offering thereof; provided, however, that no statement made in a registration statement or prospectus that is part of the registration statement or made in a document incorporated or deemed incorporated by reference into the registration statement or prospectus that is part of the registration statement will, as to a purchaser with a time of contract of sale prior to such effective date, supersede or modify any statement that was made in the registration statement or prospectus that was part of the registration statement or made in any such document immediately prior to such effective date;

(5)

That, for the purpose of determining liability of the registrant under the Securities Act of 1933, as amended, to any purchaser in the initial distribution of the securities, the undersigned registrant undertakes that in a primary offering of securities of the undersigned registrant pursuant to this registration statement, regardless of the underwriting method used to sell the securities to the purchaser, if the securities are offered or sold to such purchaser by means of any of the following communications, the undersigned registrant will be a seller to the purchaser and will be considered to offer or sell such securities to such purchaser:

(i)

Any preliminary prospectus or prospectus of the undersigned registrant relating to the offering required to be filed pursuant to Rule 424;

(ii)

Any free writing prospectus relating to the offering prepared by or on behalf of the undersigned registrant or used or referred to by the undersigned registrant;

(iii)

The portion of any other free writing prospectus relating to the offering containing material information about the undersigned registrant or its securities provided by or on behalf of the undersigned registrant; and

(iv)

Any other communication that is an offer in the offering made by the undersigned registrant to the purchaser;

(6)

That, for purposes of determining any liability under the Securities Act of 1933, as amended, each filing of the registrant’s annual report pursuant to Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934, as amended (and, where applicable, each filing of an employee benefit plan’s annual report pursuant to Section 15(d) of the Securities Exchange Act of 1934, as amended) that is incorporated by reference in the registration statement shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial bona fide offering thereof;

(7)

Insofar as indemnification for liabilities arising under the Securities Act of 1933, as amended, may be permitted to directors, officers and controlling persons of the registrant pursuant to the foregoing provisions, or otherwise, the registrant has been advised that in the opinion of the Securities and Exchange Commission such indemnification is against public policy as expressed in the Securities Act of 1933, as amended, and is, therefore, unenforceable. In the event that a claim

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for indemnification against such liabilities (other than the payment by the registrant of expenses incurred or paid by a director, officer or controlling person of the registrant in the successful defense of any action, suit or proceeding) is asserted by such director, officer or controlling person in connection with the securities being registered, the registrant will, unless in the opinion of its counsel the matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed in the Securities Act of 1933, as amended, and will be governed by the final adjudication of such issue.

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EXHIBIT INDEX

	Exhibit No.			Description
	3.1(i)(a)			Certificate of Incorporation of Summit Semiconductor, Inc. (n/k/a Datavault AI Inc.) (incorporated by reference to the Company’s Registration Statement on Form S-1/A (File No. 333-224267) filed with the SEC on July 2, 2018).
	3.1(i)(b)			Certificate of Amendment to Certificate of Incorporation of Summit Semiconductor, Inc. (n/k/a Datavault AI Inc.) (incorporated by reference to the Company’s Registration Statement on Form S-1/A (File No. 333-224267) filed with the SEC on July 25, 2018).
	3.1(i)(c)			Certificate of Amendment to Certificate of Incorporation of Summit Semiconductor, Inc. (n/k/a Datavault AI Inc.) (incorporated by reference to the Company’s Current Report on Form 8-K filed with the SEC on September 14, 2018).
	3.1(i)(d)			Certificate of Amendment to Certificate of Incorporation of Summit Wireless Technologies, Inc. (n/k/a Datavault AI Inc.) (incorporated by reference to the Company’s Current Report on Form 8-K filed with the SEC on April 8, 2020).
	3.1(i)(e)			Certificate of Amendment to Certificate of Incorporation of Summit Wireless Technologies, Inc. (n/k/a Datavault AI Inc.) (incorporated by reference to the Company’s Current Report on Form 8-K filed with the SEC on March 11, 2022).
	3.1(i)(f)			Certificate of Amendment to Certificate of Incorporation of WiSA Technologies, Inc. (n/k/a Datavault AI Inc.) (incorporated by reference to the Company’s Current Report on Form 8-K filed with the SEC on January 26, 2023).
	3.1(i)(g)			Certificate of Amendment to Certificate of Incorporation of WiSA Technologies, Inc. (n/k/a Datavault AI Inc.) (incorporated by reference to the Company’s Current Report on Form 8-K filed with the SEC on March 26, 2024).
	3.1(i)(h)			Certificate of Amendment to Certificate of Incorporation of WiSA Technologies, Inc. (n/k/a Datavault AI Inc.) (incorporated by reference to the Company’s Current Report on Form 8-K filed with the SEC on April 12, 2024).
	3.1(i)(i)			Certificate of Amendment to Certificate of Incorporation of WiSA Technologies, Inc. (n/k/a Datavault AI Inc.) (incorporated by reference to the Company’s Current Report on Form 8-K filed with the SEC on February 14, 2025).
	3.1(i)(j)			Certificate of Amendment to Certificate of Incorporation of Datavault AI Inc. (incorporated by reference to the Company’s Current Report on Form 8-K filed with the SEC on September 26, 2025).
	3.1(i)(k)			Certificate of Amendment to Certificate of Incorporation of Datavault AI Inc. (incorporated by reference to the Company’s Current Report on Form 8-K filed with the SEC on November 26, 2025).
	3.1(i)(l)			Certificate of Designation of Preferences, Rights, and Limitations of Series B Convertible Preferred Stock (incorporated by reference to the Company’s Current Report on Form 8-K filed with the SEC on October 19, 2023).
	3.1(ii)(a)			Bylaws of Summit Semiconductor, Inc. (n/k/a Datavault AI Inc.) (incorporated by reference to the Company’s Registration Statement on Form S-1/A (File No. 333-224267) filed with the SEC on July 2, 2018).
	3.1(ii)(b)			Amendment to the Bylaws of Datavault AI Inc., effective September 25, 2025 (incorporated by reference to Exhibit 3.2 to the Company’s Current Report on Form 8-K filed with the SEC on September 26, 2025).
	4.1			Form of Common Stock Certificate (incorporated by reference to the Company’s Annual Report on Form 10-K filed with the SEC on March 29, 2019).
	5.1*			Opinion of Sullivan & Worcester LLP
	23.1*			Consent of BPM LLP, independent registered public accounting firm
	23.2*			Consent of Sullivan & Worcester LLP (included in Exhibit 5.1)
	24.1*			Power of Attorney
	107*			Filing Fee Table

Previously filed.

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SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Philadelphia, State of Pennsylvania, on May 4, 2026.

DATAVAULT AI INC.

By:

/s/ Brett Moyer

Brett Moyer
Chief Financial Officer

Pursuant to the requirements of the Securities Act, this registration statement has been signed by the following persons in the capacities indicated below on the 4th day of May, 2026.

Signature	Title	Date
/s/ Nathaniel Bradley Nathaniel Bradley	Director and Chief Executive Officer (principal executive officer)	May 4, 2026
/s/ Brett Moyer Brett Moyer	Director and Chief Financial Officer (principal financial officer)	May 4, 2026
/s/ Stanley Mbugua Stanley Mbugua	Chief Accounting Officer ( principal accounting officer)	May 4, 2026
* Kimberly Briskey	Director	May 4, 2026
* Dr. Jeffrey M. Gilbert	Director	May 4, 2026
* David Howitt	Director	May 4, 2026
* Helge Kristensen	Director	May 4, 2026
* Sriram Peruvemba	Director	May 4, 2026
* Robert Tobias	Director	May 4, 2026
* Wendy Wilson	Director	May 4, 2026

* By: /s/ Brett Moyer

Brett Moyer, attorney-in-fact

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Amendment: SEC Form S-3/A filed by Datavault AI Inc.