# EDGAR Filing Document

**Accession Number:** 0001755804
**File Stem:** 0001104659-25-077038
**Filing Date:** 2025-8
**Character Count:** 9187
**Document Hash:** 2864b8005cfb5b220f2a73fd8413ac66
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-25-077038.hdr.sgml**: 20250812

**ACCESSION NUMBER**: 0001104659-25-077038

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250808

**FILED AS OF DATE**: 20250812

**DATE AS OF CHANGE**: 20250812

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** BRADLEY NATHANIEL T
- **CENTRAL INDEX KEY:** 0001755804

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38608
- **FILM NUMBER:** 251208651

**MAIL ADDRESS:**
- **STREET 1:** 1327 OCEAN AVENUE SUITE B
- **CITY:** SANTA MONICA
- **STATE:** CA
- **ZIP:** 90401
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** EOS Technology Holdings Inc.
- **CENTRAL INDEX KEY:** 0001882356

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38608
- **FILM NUMBER:** 251208650

**BUSINESS ADDRESS:**
- **STREET 1:** 48 WALL STREET
- **STREET 2:** 11TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10005
- **BUSINESS PHONE:** 844-328-2400

**MAIL ADDRESS:**
- **STREET 1:** 48 WALL STREET
- **STREET 2:** 11TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10005

**FORMER NAME:**
- **FORMER CONFORMED NAME:** Data Vault Holdings Inc.
- **DATE OF NAME CHANGE:** 20210910
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Datavault AI Inc.
- **CENTRAL INDEX KEY:** 0001682149
- **STANDARD INDUSTRIAL CLASSIFICATION:** SEMICONDUCTORS & RELATED DEVICES [3674]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 301135279
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 15268 NW GREENBRIER PKWY
- **CITY:** BEAVERTON
- **STATE:** OR
- **ZIP:** 97006
- **BUSINESS PHONE:** 408-627-4716

**MAIL ADDRESS:**
- **STREET 1:** 15268 NW GREENBRIER PKWY
- **CITY:** BEAVERTON
- **STATE:** OR
- **ZIP:** 97006

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** WISA TECHNOLOGIES, INC.
- **DATE OF NAME CHANGE:** 20220311

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Summit Wireless Technologies, Inc.
- **DATE OF NAME CHANGE:** 20180914

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Summit Semiconductor Inc.
- **DATE OF NAME CHANGE:** 20180501

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>BRADLEY NATHANIEL T<br><sub>(Last) (First) (Middle)</sub><br>C/O EOS TECHNOLOGY HOLDINGS INC.<br>48 WALL STREET, FLOOR 11<br><sub>(Street)</sub><br>NEW YORK, NY 10005<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-08-08 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_Chief Executive Officer_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Datavault AI Inc. [ DVLT ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>EOS Technology Holdings Inc.<br><sub>(Last) (First) (Middle)</sub><br>48 WALL STREET, FLOOR 11<br><sub>(Street)</sub><br>NEW YORK, NY 10005<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-08-08 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Datavault AI Inc. [ DVLT ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2025-08-08 |  | J |  | 1000000<sup>(1)</sup> | D | $0 | 2399911<sup>(2)</sup> | I | By EOS Technology Holdings Inc. |
| Common Stock |  |  |  |  |  |  |  | 2980680<sup>(3)</sup> | I | By Spouse |
| Common Stock |  |  |  |  |  |  |  | 4765361 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) This Form 4 is jointly filed by Nathaniel Bradley ("Mr. Bradley") and EOS Technology Holdings Inc. ("EOS"). The shares of common stock, par value $0.0001 per share (the "Common Stock") of the issuer are beneficially owned both directly and indirectly, as outlined above and more fully described below, by Mr. Bradley. 1,000,000 shares of Common Stock of the issuer were transferred by EOS to a third party in connection with a services agreement, dated as of August 8, 2025 (the "Services Agreement"), by and between EOS and the services provider under the Services Agreement.

(2) Mr. Bradley, as an officer and member of the board of directors of EOS, has the power to dispose of and the power to vote the shares of Common Stock beneficially owned by EOS. 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 Securities Exchange Act of 1934 (the "Exchange Act") or for any other purposes.

(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.

**Signature:** /s/ Nathaniel Bradley  
**Date:** 2025-08-12

**Signature:** EOS Technology Holdings Inc. /s/ Nathaniel Bradley  
**Date:** 2025-08-12

### Remarks:

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.**