Nathaniel T. Bradley - 20 Apr 2026 Form 4/A - Amendment Insider Report for Datavault AI Inc. (DVLT)

Reporting relationship: Chief Executive Officer, Director, 10%+ Owner
Issuer ticker: DVLT
Reported as of: 20 Apr 2026
Net transaction value: $0
SEC form: 4/A - Amendment
Accepted by SEC: 14 May 2026, 16:01:17 UTC
Original report date: 22 Apr 2026
Prior SEC filing: 26 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Nathaniel T. Bradley

Key filing fact

Nathaniel T. Bradley filed Form 4/A - Amendment for Datavault AI Inc. (DVLT) on 14 May 2026.

Key facts

This page summarizes Nathaniel T. Bradley's Form 4/A - Amendment filing for Datavault AI Inc. (DVLT).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 14 May 2026, 16:01.

Change

Previous filing in this sequence was filed on 26 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4/A - Amendment disclosures.

View source filing

Reporting Owners (1)

CIK 0001755804 Primary reporting owner

BRADLEY NATHANIEL T

Relationship: Chief Executive Officer, Director, 10%+ Owner
Address: C/O DATAVAULT AI INC., ONE COMMERCE SQ.,, 2005 MARKET STREET, SUITE 2400, PHILADELPHIA
Signature: /s/ Nathaniel T. Bradley
Signature date: 14 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

DVLT transaction

Common Stock

Award

Transaction value
Shares: +2,588,235
Change %: +31%
Price: $0.000000^*
Shares after: 10,906,188
Date: 20 Apr 2026
Ownership: Direct
Footnotes: F1

DVLT transaction

Common Stock

Award

Transaction value
Shares: +1,213,236
Change %: +27%
Price: $0.000000^*
Shares after: 5,654,483
Date: 20 Apr 2026
Ownership: By Spouse
Footnotes: F2, F4

DVLT holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 12,109,002
Date: 20 Apr 2026
Ownership: By EOS Technology Holdings Inc.
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote 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.

Footnote 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.

Footnote 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.

Footnote F4

This amendment is being filed to correct the indication of the character of the transaction reported in Table I, Column 4 of the Form 4 filed by Mr. Bradley on April 22, 2026, which erroneously indicated the character of the transaction reported with transaction code "D". The transaction reported was an acquisition and the correct indication of the character of such transaction is transaction code "A".