Datavault AI CEO granted 2,588,235 LTIP shares

BRADLEY NATHANIEL T reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

BRADLEY NATHANIEL T reported acquisition or exercise transactions in this Form 4 filing.

Datavault AI Inc. insider Nathaniel Bradley, the Chief Executive Officer and a director, reported stock-based compensation awards for himself and his spouse. He received 2,588,235 LTIP Shares of common stock as compensation for his board and officer service under the 2018 Long-Term Stock Incentive Plan.

Bradley’s spouse, employee Sonia Choi, received 1,213,236 LTIP Shares under the same plan. Both awards vest in equal installments on March 20, June 20, September 20, and December 20 from September 20, 2026 through September 20, 2029, subject to continued service. After these entries, Bradley holds 10,906,188 shares directly, 5,654,483 shares indirectly through his spouse, and 12,109,002 shares indirectly via EOS Technology Holdings Inc., while disclaiming beneficial ownership of certain indirect holdings beyond his pecuniary interest.

Insider Trade Summary

Grant/Award: 3,801,471 shares

Grant/Award 3 txns

Insider BRADLEY NATHANIEL T

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	2,588,235	$0.00	$0.00
Grant/Award	Common Stock	1,213,236	$0.00	$0.00
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 10,906,188 shares (Direct); Common Stock — 5,654,483 shares (Indirect, By Spouse); Common Stock — 12,109,002 shares (Indirect, By EOS Technology Holdings Inc.)

Footnotes (3)

1. F1. 2,588,235 shares (the "LTIP Shares") of common stock, par value $0.0001 per share, of the issuer were received by Nathaniel Bradley ("Mr. Bradley") as compensation for Mr. Bradley's service as a member of the issuer's board of directors and as an officer pursuant to the issuer's 2018 Long-Term Stock Incentive Plan (the "Grant"). The LTIP Shares associated with the Grant are scheduled to vest in equal installments, beginning on September 20, 2026 and ending on September 20, 2029, on each March 20th, June 20th, September 20th and December 20th, so long as the reporting person remains in the service of the issuer on each such date.
2. F2. 1,213,236 LTIP Shares of the issuer were received by Mr. Bradley's spouse, Sonia Choi ("Ms. Choi"), as compensation for Ms. Choi's service as an employee of the issuer pursuant to the issuer's 2018 Long-Term Stock Incentive Plan. The LTIP Shares associated with the Grant are scheduled to vest in equal installments, from the period from September 20, 2026 and ending on September 20, 2029, on each March 20th, June 20th, September 20th and December 20th, so long as Ms. Choi remains in the service of the issuer on each such date.
3. F3. Mr. Bradley disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of such securities for purposes of Section 16 of the Exchange Act or for any other purposes.

Key Figures

CEO LTIP grant: 2,588,235 shares Spouse LTIP grant: 1,213,236 shares Direct holdings after grant: 10,906,188 shares +2 more

5 metrics

CEO LTIP grant 2,588,235 shares Common stock awarded as compensation under 2018 Long-Term Stock Incentive Plan

Spouse LTIP grant 1,213,236 shares Common stock awarded to spouse as employee compensation under 2018 plan

Direct holdings after grant 10,906,188 shares Common stock held directly by Nathaniel Bradley following reported transactions

Indirect holdings via spouse 5,654,483 shares Common stock held indirectly through spouse after transactions

Indirect holdings via EOS 12,109,002 shares Common stock reported as indirectly held by EOS Technology Holdings Inc.

Key Terms

LTIP Shares, 2018 Long-Term Stock Incentive Plan, pecuniary interest, beneficial ownership, +1 more

5 terms

LTIP Shares financial

"2,588,235 shares (the "LTIP Shares") of common stock, par value $0.0001 per share"

2018 Long-Term Stock Incentive Plan financial

"pursuant to the issuer's 2018 Long-Term Stock Incentive Plan (the "Grant")"

pecuniary interest financial

"Mr. Bradley disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein"

beneficial ownership financial

"the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

Section 16 of the Exchange Act regulatory

"for purposes of Section 16 of the Exchange Act or for any other purposes"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider stock awards were reported for Datavault AI (DVLT) CEO Nathaniel Bradley?

Nathaniel Bradley reported receiving 2,588,235 LTIP Shares of Datavault AI common stock as compensation for serving as a director and officer. These shares were granted under the company’s 2018 Long-Term Stock Incentive Plan and are scheduled to vest in equal quarterly installments through 2029.

What equity grant did Datavault AI (DVLT) report for CEO Nathaniel Bradley’s spouse?

Bradley’s spouse, employee Sonia Choi, received 1,213,236 LTIP Shares of Datavault AI common stock as compensation for her service. The grant was made under the 2018 Long-Term Stock Incentive Plan and will vest in equal quarterly installments from September 20, 2026 through September 20, 2029.

How do the new LTIP Shares for Datavault AI (DVLT) insiders vest over time?

Both Nathaniel Bradley’s and Sonia Choi’s LTIP Shares vest in equal installments on March 20, June 20, September 20, and December 20. The vesting period begins on September 20, 2026 and ends on September 20, 2029, contingent on each remaining in service to Datavault AI.

What are Nathaniel Bradley’s reported Datavault AI (DVLT) share holdings after these transactions?

Following the reported grants, Nathaniel Bradley holds 10,906,188 Datavault AI shares directly. He also has 5,654,483 shares reported as held indirectly through his spouse and 12,109,002 shares reported as held indirectly through EOS Technology Holdings Inc., subject to a disclaimer of beneficial ownership beyond his pecuniary interest.

Were the Datavault AI (DVLT) insider stock awards open-market purchases or compensation grants?

The reported insider transactions are compensation-related grants, not open-market purchases. Both Nathaniel Bradley and his spouse received LTIP Shares at a reported price of $0.0000 per share, reflecting stock awards under Datavault AI’s 2018 Long-Term Stock Incentive Plan rather than cash purchases in the market.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/22/2026 - 09:43 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

BRADLEY NATHANIEL T

(Last) (First) (Middle)

C/O DATAVAULT AI INC., ONE COMMERCE SQ.,

2005 MARKET STREET, SUITE 2400

(Street)

PHILADELPHIA PENNSYLVANIA 19103

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Datavault AI Inc. [ DVLT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/20/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	04/20/2026		A		2,588,235(1)	A	$0.00	10,906,188	D
Common Stock	04/20/2026		A		1,213,236(2)	D	$0.00	5,654,483(2)	I	By Spouse
Common Stock								12,109,002(3)	I	By EOS Technology Holdings Inc.

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 2,588,235 shares (the "LTIP Shares") of common stock, par value $0.0001 per share, of the issuer were received by Nathaniel Bradley ("Mr. Bradley") as compensation for Mr. Bradley's service as a member of the issuer's board of directors and as an officer pursuant to the issuer's 2018 Long-Term Stock Incentive Plan (the "Grant"). The LTIP Shares associated with the Grant are scheduled to vest in equal installments, beginning on September 20, 2026 and ending on September 20, 2029, on each March 20th, June 20th, September 20th and December 20th, so long as the reporting person remains in the service of the issuer on each such date.

2. 1,213,236 LTIP Shares of the issuer were received by Mr. Bradley's spouse, Sonia Choi ("Ms. Choi"), as compensation for Ms. Choi's service as an employee of the issuer pursuant to the issuer's 2018 Long-Term Stock Incentive Plan. The LTIP Shares associated with the Grant are scheduled to vest in equal installments, from the period from September 20, 2026 and ending on September 20, 2029, on each March 20th, June 20th, September 20th and December 20th, so long as Ms. Choi remains in the service of the issuer on each such date.

3. Mr. Bradley disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of such securities for purposes of Section 16 of the Exchange Act or for any other purposes.

	/s/ Nathaniel T. Bradley	04/22/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)