Investor in Datavault AI (DVLT) reports 0.0% ownership in new Schedule 13G

Rhea-AI Filing Summary

Datavault AI Inc. received a Schedule 13G filing from investor Gregory Castaldo stating that he beneficially owns 0 shares of the company’s common stock, representing 0.0% of the class as of the event date 02/13/2026.

The filing shows no sole or shared voting or dispositive power over any Datavault AI common shares, confirming that Castaldo now owns 5% or less of the outstanding stock. He also certifies that any securities referenced were not acquired to change or influence control of the company.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Datavault AI Inc.

(Name of Issuer)

Common Stock, $0.0001 par value per share

(Title of Class of Securities)

86633R609

(CUSIP Number)

02/13/2026

(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 13G

CUSIP No. 86633R609

1

Names of Reporting Persons

Gregory Castaldo

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

0.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.0 %

12

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Datavault AI Inc.
(b)	Address of issuer's principal executive offices: 15268 NW Greenbrier Parkway Beaverton, OR 97006
Item 2.
(a)	Name of person filing: Gregory Castaldo
(b)	Address or principal business office or, if none, residence: 3776 Steven James Drive Garnet Valley, PA 19060
(c)	Citizenship: Gregory Castaldo is a citizen of the United States.
(d)	Title of class of securities: Common Stock, $0.0001 par value per share
(e)	CUSIP No.: 86633R609
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: See Item 9 on the cover pages(s) hereto.
(b)	Percent of class: See Item 11 on the cover page(s) hereto.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: See Item 5 on the cover pages hereto.
	(ii) Shared power to vote or to direct the vote: See Item 6 on the cover pages hereto.
	(iii) Sole power to dispose or to direct the disposition of: See Item 7 on the cover pages hereto.
	(iv) Shared power to dispose or to direct the disposition of: See Item 8 on the cover pages hereto.
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Gregory Castaldo

Signature:	/s/ Gregory Castaldo
Name/Title:	Gregory Castaldo
Date:	02/13/2026

FAQ

What does the DVLT Schedule 13G filed by Gregory Castaldo report?

The Schedule 13G reports that Gregory Castaldo beneficially owns 0 shares of Datavault AI common stock, equal to 0.0% of the class, as of 02/13/2026. It confirms no voting or dispositive power over any DVLT shares.

Does Gregory Castaldo still hold more than 5% of Datavault AI (DVLT)?

No, the filing states ownership of 5 percent or less of Datavault AI’s common stock. It lists 0 shares beneficially owned and a 0.0% ownership percentage, indicating Castaldo is no longer a significant beneficial owner under SEC reporting thresholds.

What class of Datavault AI (DVLT) securities is covered in this Schedule 13G?

The Schedule 13G covers common stock of Datavault AI Inc., with a par value of $0.0001 per share and CUSIP 86633R609. All reported beneficial ownership figures, including the 0.0% position, relate specifically to this common stock class.

What voting and dispositive power does Gregory Castaldo report over DVLT shares?

The filing reports 0.00 sole voting power, 0.00 shared voting power, 0.00 sole dispositive power, and 0.00 shared dispositive power. This means Castaldo indicates no authority to vote, sell, or direct any Datavault AI common shares.

Why is a Schedule 13G filed when ownership of DVLT is 0.0%?

Schedule 13G can reflect changes that reduce holdings below reporting thresholds. Here, it documents that Gregory Castaldo now beneficially owns 0 shares and 0.0% of Datavault AI, formally recording reduced ownership for SEC and market transparency.

What certification does Gregory Castaldo make about his DVLT holdings?

He certifies the securities referenced were not acquired and are not held to change or influence control of Datavault AI, and are not part of any control-related transaction, other than activities solely tied to a nomination under Rule 240.14a-11.