BRADLEY NATHANIEL T

SEC source: 0001104659-26-091229 · tm2622094-1_4seq1.xml · nonDerivative · entry 1

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By EOS Technology Holdings Inc.

Disclosed balance after: 13,436,871

F1 · shares: Mr. Bradley, as an officer and member of the board of directors of EOS Technology Holdings Inc. ("EOS"), may be deemed to share voting and investment power over shares of common stock beneficially owned by EOS. Pursuant to a Letter Agreement dated July 29, 2026, EOS may elect to receive shares of Common Stock in lieu of cash in satisfaction of a quarterly earnout payment obligation owed by the issuer to EOS. If EOS subsequently distributes any such shares to its shareholders, the number of shares reported herein as indirectly beneficially owned by Mr. Bradley through EOS would decrease to reflect the reduction in EOS's holdings. Such a decrease would result from the distribution by EOS and would not necessarily indicate that Mr. Bradley sold shares in an open market transaction.

F2 · shares: Mr. Bradley disclaims beneficial ownership of these 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 for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise.

F1 · balance_after: Mr. Bradley, as an officer and member of the board of directors of EOS Technology Holdings Inc. ("EOS"), may be deemed to share voting and investment power over shares of common stock beneficially owned by EOS. Pursuant to a Letter Agreement dated July 29, 2026, EOS may elect to receive shares of Common Stock in lieu of cash in satisfaction of a quarterly earnout payment obligation owed by the issuer to EOS. If EOS subsequently distributes any such shares to its shareholders, the number of shares reported herein as indirectly beneficially owned by Mr. Bradley through EOS would decrease to reflect the reduction in EOS's holdings. Such a decrease would result from the distribution by EOS and would not necessarily indicate that Mr. Bradley sold shares in an open market transaction.

F2 · balance_after: Mr. Bradley disclaims beneficial ownership of these 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 for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise.

SEC source: 0001104659-26-047062 · tm2612538-3_4seq1.xml · nonDerivative · entry 2

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 5,654,483

F2 · shares: 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.

F2 · balance_after: 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.

SEC source: 0001104659-26-047062 · tm2612538-3_4seq1.xml · nonDerivative · entry 1

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,906,188

F1 · shares: 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.

SEC source: 0001104659-26-061135 · tm2614512-1_4aseq1.xml · nonDerivative · entry 2

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 5,654,483

F2 · shares: 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.

F4 · acquired: 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".

F2 · balance_after: 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.

SEC source: 0001104659-26-061135 · tm2614512-1_4aseq1.xml · nonDerivative · entry 1

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,906,188

F1 · shares: 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.

SEC source: 0001104659-26-035397 · tm269976-1_4seq1.xml · nonDerivative · entry 2

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 4,441,247

F4 · shares: Represents shares of Common Stock of the issuer sold to the open market by the issuer on behalf of Ms. Choi to satisfy tax obligations in connection with vesting of equity awards and was not a discretionary transaction by Mr. Bradley or Ms. Choi.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $0.6248 to $0.6324. The reporting person and spouse of the reporting person, Sonia Choi ("Ms. Choi") undertake to provide to the issuer, any shareholder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001104659-26-035397 · tm269976-1_4seq1.xml · nonDerivative · entry 1

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,317,953

F1 · shares: Represents shares of common stock, par value $0.0001 per share ("Common Stock"), of the issuer sold to the open market by the issuer on behalf of the reporting person to satisfy tax obligations in connection with vesting of equity awards and was not a discretionary transaction by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $0.6248 to $0.6324. The reporting person and spouse of the reporting person, Sonia Choi ("Ms. Choi") undertake to provide to the issuer, any shareholder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001104659-25-125295 · tm2534531-2_4seq1.xml · nonDerivative · entry 2

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 4,492,957

F4 · shares: Represents shares of Common Stock of the issuer sold to the open market by the issuer on behalf of Ms. Choi to satisfy tax obligations in connection with vesting of equity awards and was not a discretionary transaction by Mr. Bradley or Ms. Choi.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $0.8913 to $0.9419. The reporting person and the spouse of the reporting person, Sonia Choi ("Ms. Choi") undertake to provide to the issuer, any shareholder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001104659-25-125295 · tm2534531-2_4seq1.xml · nonDerivative · entry 1

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,508,244

F1 · shares: Represents shares of common stock, par value $0.0001 per share ("Common Stock"), of the issuer sold to the open market by the issuer on behalf of the reporting person to satisfy tax obligations in connection with vesting of equity awards and was not a discretionary transaction by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $0.8913 to $0.9419. The reporting person and the spouse of the reporting person, Sonia Choi ("Ms. Choi") undertake to provide to the issuer, any shareholder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001104659-25-116551 · tm2532335-5_4seq1.xml · nonDerivative · entry 2

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 4,504,944

F2 · shares: 1,336,441 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 March 20, 2026 and ending on December 20, 2028, 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.

F2 · balance_after: 1,336,441 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 March 20, 2026 and ending on December 20, 2028, 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.

SEC source: 0001104659-25-116551 · tm2532335-5_4seq1.xml · nonDerivative · entry 1

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,539,275

F1 · shares: 3,823,798 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 March 20, 2026 and ending on December 20, 2028, 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.

SEC source: 0001104659-25-116082 · tm2532220-2_4seq1.xml · nonDerivative · entry 3

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 3,168,503

F4 · kind: Represents shares of Common Stock of the issuer sold to the open market by the issuer on behalf of Ms. Choi to satisfy tax obligations in connection with vesting of equity awards and was not a discretionary transaction by Mr. Bradley or Ms. Choi.

F4 · shares: Represents shares of Common Stock of the issuer sold to the open market by the issuer on behalf of Ms. Choi to satisfy tax obligations in connection with vesting of equity awards and was not a discretionary transaction by Mr. Bradley or Ms. Choi.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2.355 to $2.495. The reporting person and the spouse of the reporting person, Sonia Choi ("Ms. Choi") undertake to provide to the issuer, any shareholder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote

SEC source: 0001104659-25-116082 · tm2532220-2_4seq1.xml · nonDerivative · entry 1

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,715,477

F1 · kind: Represents shares of common stock, par value $0.0001 per share ("Common Stock"), of the issuer sold to the open market by the issuer on behalf of the reporting person to satisfy tax obligations in connection with vesting of equity awards and was not a discretionary transaction by the reporting person.

F1 · shares: Represents shares of common stock, par value $0.0001 per share ("Common Stock"), of the issuer sold to the open market by the issuer on behalf of the reporting person to satisfy tax obligations in connection with vesting of equity awards and was not a discretionary transaction by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2.355 to $2.495. The reporting person and the spouse of the reporting person, Sonia Choi ("Ms. Choi") undertake to provide to the issuer, any shareholder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote

SEC source: 0001104659-25-093471 · tm2527006-1_4seq1.xml · nonDerivative · entry 1

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

EOS Technology Holdings Inc. · CIK 0001882356 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By EOS Technology Holdings Inc.

Disclosed balance after: 12,109,002

F1 · shares: 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. 180,000 shares of Common Stock of the issuer were transferred by EOS to a third party in pursuant to a side letter, dated as of September 23, 2025, (the "Side Letter") in connection with a consulting agreement, dated as of August 19, 2025 (the "Consulting Agreement"). Both the Consulting Agreement and the Side letter are by and between EOS and the consultant under the Consulting Agreement.

F2 · balance_after: 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.

SEC source: 0001104659-25-088683 · tm2525675-1_4seq1.xml · nonDerivative · entry 1

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

EOS Technology Holdings Inc. · CIK 0001882356 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By EOS Technology Holdings Inc.

Disclosed balance after: 12,289,002

F1 · shares: This Form 4 is jointly filed by Nathaniel 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. 10,000,000 shares of Common Stock of the issuer were issued to EOS pursuant to an amendment and conversion agreement, dated as of September 7, 2025 (the "EOS Note Amendment") between EOS and the issuer, to the Convertible Promissory Note (the "EOS Note") issued to EOS on December 31, 2024 in the original principal amount of $10,000,000. Pursuant to the EOS Note Amendment, EOS converted (the "EOS Note Conversion") $3,200,000 of the balance of the EOS Note into 10,000,000 shares of the issuer's Common Stock, at a conversion price of $0.32 per share, and the floor price set forth in the EOS Note was waived and did not apply to the EOS Note Conversion.

F2 · balance_after: Mr. Bradley, as an officer and sole director 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.

SEC source: 0001104659-25-086573 · tm2525035-1_4seq1.xml · nonDerivative · entry 3

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 3,175,818

F3 · kind: Represents shares of Common Stock of the issuer sold to the open market by the issuer on behalf of Mr. Bradley's spouse, Sonia Choi ("Ms. Choi") to satisfy tax obligations in connection with vesting of equity awards and was not a discretionary transaction by Mr. Bradley or Ms. Choi.

F3 · shares: Represents shares of Common Stock of the issuer sold to the open market by the issuer on behalf of Mr. Bradley's spouse, Sonia Choi ("Ms. Choi") to satisfy tax obligations in connection with vesting of equity awards and was not a discretionary transaction by Mr. Bradley or Ms. Choi.

F4 · balance_after: On June 27, 2025, July 14, 2025, August 4, 2025, August 12, 2025, and August 20, 2025, Mr. Bradley filed Form 4's which inadvertently did not report 200,000 shares of Common Stock of the issuer which were received by Ms. Choi on June 25, 2025, as compensation for Ms. Choi's service as an employee of the issuer pursuant to the issuer's 2018 Long-Term Stock Incentive Plan. Accordingly, the number of securities reported as beneficially owned in this filing includes the grant of 200,000 shares previously omitted from the prior filings. 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.

SEC source: 0001104659-25-086573 · tm2525035-1_4seq1.xml · nonDerivative · entry 1

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,735,970

F1 · kind: Represents shares of common stock, par value $0.0001 per share ("Common Stock"), of the issuer sold to the open market by the issuer on behalf of the reporting person to satisfy tax obligations in connection with vesting of equity awards and was not a discretionary transaction by the reporting person.

F1 · shares: Represents shares of common stock, par value $0.0001 per share ("Common Stock"), of the issuer sold to the open market by the issuer on behalf of the reporting person to satisfy tax obligations in connection with vesting of equity awards and was not a discretionary transaction by the reporting person.

SEC source: 0001104659-25-081012 · tm2524022-1_4seq1.xml · nonDerivative · entry 1

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

EOS Technology Holdings Inc. · CIK 0001882356 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By EOS Technology Holdings Inc.

Disclosed balance after: 2,289,002

F1 · shares: 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. 110,909 shares of Common Stock of the issuer were transferred by EOS to a third party in connection with a consulting agreement, dated as of August 19, 2025 (the "Consulting Agreement"), by and between EOS and the consultant under the Consulting Agreement.

F2 · balance_after: 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.

SEC source: 0001104659-25-077038 · tm2523337-1_4seq1.xml · nonDerivative · entry 1

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

EOS Technology Holdings Inc. · CIK 0001882356 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By EOS Technology Holdings Inc.

Disclosed balance after: 2,399,911

F1 · shares: 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.

F2 · balance_after: 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.

SEC source: 0001104659-25-073302 · tm2522136-1_4seq1.xml · nonDerivative · entry 2

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

EOS Technology Holdings Inc. · CIK 0001882356 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By EOS Technology Holdings Inc.

Disclosed balance after: 3,399,911

F2 · shares: An aggregate of 300,000 shares of Common Stock of the issuer were transferred by EOS to two separate third parties in connection with one Settlement Agreement and Release, dated as of July 31, 2025, by and between EOS, Mr. Bradley, and one of the third parties receiving shares of Common Stock.

F3 · balance_after: 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.

SEC source: 0001104659-25-073302 · tm2522136-1_4seq1.xml · nonDerivative · entry 1

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

EOS Technology Holdings Inc. · CIK 0001882356 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By EOS Technology Holdings Inc.

Disclosed balance after: 3,699,911

F1 · shares: 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. 300,000 shares of Common Stock of the issuer were transferred by EOS to a third party in connection with that certain Settlement Agreement and Release of all Claims, dated as of July 30, 2025, by and between the issuer, Mr. Bradley, and various other parties.

F3 · balance_after: 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.

SEC source: 0001104659-25-067815 · tm2520884-1_4seq1.xml · nonDerivative · entry 1

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,765,361

F1 · shares: 500,000 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 instalments, from the period from September 20, 2025 to June 20, 2028, on each September 20th, December 20th, March 20th and June 20th, so long as Mr. Bradley remains in the service of the issuer on each such date.

SEC source: 0001104659-25-063736 · tm2519302-6_4seq1.xml · nonDerivative · entry 2

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 2,980,680

F2 · shares: 54,726 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, 2025 to June 20, 2028, on each September 20th, December 20th, March 20th and June 20th, so long as Ms. Choi remains in the service of the issuer on each such date.

F3 · balance_after: 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.

SEC source: 0001104659-25-063736 · tm2519302-6_4seq1.xml · nonDerivative · entry 1

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,265,361

F1 · shares: 218,905 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, from the period from September 20, 2025 to June 20, 2028, on each September 20th, December 20th, March 20th and June 20th, so long as Mr. Bradley remains in the service of the issuer on each such date.

SEC source: 0001104659-25-019202 · tm257944-6_4seq1.xml · nonDerivative · entry 1

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 2,925,954

F2 · kind: 150,000 shares (the "LTIP Shares") of common stock, par value $0.0001 per share, 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 "Grant"). The LTIP Shares associated with the Grant are scheduled to vest in equal installments, from the period from June 20, 2025 to March 20, 2028, 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

F1 · balance_after: Nathaniel Bradley ("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.

SEC source: 0001104659-25-003040 · tm252944-4_4seq1.xml · nonDerivative · entry 4

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

Data Vault Holdings Inc. · CIK 0001882356 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 600,000

F4 · security: Issuable upon the vesting of restricted stock units ("RSU"), each of which represents the right to receive one share of Common Stock, subject to the vesting terms of such RSU. The RSUs were received as compensation for Mr. Bradley's service as an officer of the issuer. The RSUs are scheduled to vest in equal installments with the initial 50,000 of such shares vesting on June 20, 2025, and thereafter, on each September 20th, December 20th, March 20th and June 20th, so long as Mr. Bradley remains in the service of the issuer on each such date.

SEC source: 0001104659-25-003040 · tm252944-4_4seq1.xml · nonDerivative · entry 3

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

Data Vault Holdings Inc. · CIK 0001882356 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 2,775,954

F1 · kind: Represents shares of common stock, par value $0.0001 per share, of the issuer (the "Common Stock") distributed by Data Vault Holdings Inc. ("Data Vault") to certain shareholders of Data Vault's on a pro rata basis in connection with a stock dividend.

F3 · balance_after: 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.

SEC source: 0001104659-25-003040 · tm252944-4_4seq1.xml · nonDerivative · entry 2

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

Data Vault Holdings Inc. · CIK 0001882356 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,446,456

F1 · kind: Represents shares of common stock, par value $0.0001 per share, of the issuer (the "Common Stock") distributed by Data Vault Holdings Inc. ("Data Vault") to certain shareholders of Data Vault's on a pro rata basis in connection with a stock dividend.

SEC source: 0001104659-25-003040 · tm252944-4_4seq1.xml · nonDerivative · entry 1

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Executive Officer · 10% owner

Data Vault Holdings Inc. · CIK 0001882356 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By Data Vault Holdings Inc.

Disclosed balance after: 3,999,911

F1 · kind: Represents shares of common stock, par value $0.0001 per share, of the issuer (the "Common Stock") distributed by Data Vault Holdings Inc. ("Data Vault") to certain shareholders of Data Vault's on a pro rata basis in connection with a stock dividend.

F2 · balance_after: This Form 4 is jointly filed by Nathaniel Bradley ("Mr. Bradley") and Data Vault. The shares Common Stock are beneficially owned both directly and indirectly, as outlined above and more fully described below, by Mr. Bradley. Mr. Bradley, as an officer and member of the board of directors of Data Vault, has the power to dispose of and the power to vote the shares of Common Stock beneficially owned by Data Vault. 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.

SEC source: 0001388410-20-000021 · primary_doc.xml · nonDerivative · entry 2

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Bradley Bros LLC

Disclosed balance after: 10,179,527

F2 · security: Granted by board of directors.

SEC source: 0001388410-20-000021 · primary_doc.xml · nonDerivative · entry 1

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Bradley Bros LLC

Disclosed balance after: 8,828,346

F1 · security: Issued in connection with a Securities Purchase Agreement dated December 31, 2019, for proceeds in the amount of $100,000, paid by way of reduction in accrued compensation.

SEC source: 0001388410-19-000154 · primary_doc.xml · derivative · entry 2

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,070,000

Underlying: COMMON STOCK · 1,600,000 shares

Expires 2022-09-30

F2 · security: Warrants granted in connection with Securities Purchase Agreement dated September 30, 2019.

SEC source: 0001388410-19-000154 · primary_doc.xml · nonDerivative · entry 1

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Bradley Bros LLC

Disclosed balance after: 6,828,346

F1 · security: Issued in connection with a Securities Purchase Agreement dated September 30, 2019, for proceeds in the amount of $100,000, paid by way of reduction in accrued compensation.

SEC source: 0001388410-19-000008 · primary_doc.xml · derivative · entry 5

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,470,000

Underlying: COMMON STOCK · 625,000 shares

Expires 2021-09-30

F2 · kind: Warrants granted in connection with Series C Preferred Shares at 50%

SEC source: 0001388410-19-000008 · primary_doc.xml · derivative · entry 4

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,455,000

Underlying: COMMON STOCK · 1,250,000 shares

Expires 2020-09-30

F1 · kind: Shares issued in exchange for $150,000 in outstanding debt owed by PRLX

SEC source: 0001388410-19-000008 · primary_doc.xml · derivative · entry 3

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,425,000

Underlying: COMMON STOCK · 250,000 shares

Expires 2023-08-01

SEC source: 0001388410-19-000008 · primary_doc.xml · derivative · entry 2

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,175,000

Underlying: COMMON STOCK · 250,000 shares

Expires 2023-08-01

SEC source: 0001388410-19-000008 · primary_doc.xml · derivative · entry 1

BRADLEY NATHANIEL T · CIK 0001755804 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,925,000

Underlying: COMMON STOCK · 500,000 shares

Expires 2023-08-01