HDRN

SEC source: 0002154199-26-000008 · form4.xml · nonDerivative · entry 1

Williams Eric Scott · CIK 0002154199 · EVP of Engineering

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 750,000

F1 · shares: Subject to the Reporting Person's continued service to Hadron Energy, Inc. (the "Company"), twenty-five percent of the Restricted Stock Unit ("RSU") shall vest on November 15, 2027, and the remaining seventy five percent of the RSU will vest in twelve equal quarterly installments on February 15, May 15, August 15, and November 15, such that the grant will be fully vested on November 15, 2030.

SEC source: 0002133956-26-000003 · form4.xml · nonDerivative · entry 1

Canavan Kenneth Jr. · CIK 0002133956 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 500,000

F1 · shares: Subject to the Reporting Person's continued service to Hadron Energy, Inc. (the "Company"), twenty-five percent of the Restricted Stock Unit ("RSU") shall vest on November 15, 2027, and the remaining seventy five percent will vest in twelve equal quarterly installments on February 15, May 15, August 15, and November 15, such that the grant will be fully vested on November 15, 2030.

SEC source: 0001900919-26-000005 · form4.xml · nonDerivative · entry 1

Shukla Rahul · CIK 0001900919 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 500,000

F1 · shares: Subject to the Reporting Person's continued service to Hadron Energy, Inc. (the "Company"), twenty-five percent of the Restricted Stock Unit ("RSU") shall vest on November 15, 2027, and the remaining seventy five percent will vest in twelve equal quarterly installments on February 15, May 15, August 15, and November 15, such that the grant will be fully vested on November 15, 2030.

SEC source: 0001451693-26-000017 · form4.xml · nonDerivative · entry 1

Katz Avi S · CIK 0001451693 · Director · Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 862,811

F1 · shares: Subject to the Reporting Person's continued service to Hadron Energy, Inc. (the "Company"), seventy-five percent of the Restricted Stock Unit ("RSU") shall vest on November 15, 2026, and the remaining twenty-five percent of the RSU will vest on February 15, 2027.

SEC source: 0002035613-26-000003 · form4.xml · nonDerivative · entry 1

Zuckerman Adrian · CIK 0002035613 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,395

F1 · shares: Subject to the Reporting Person's continued service to Hadron Energy, Inc. (the "Company"), fifty percent of the Restricted Stock Unit ("RSU") shall vest on August 15, 2026, and the remaining fifty percent will vest in two equal installments on November 15 and February 15, such that the grant will be fully vested on February 15, 2027.

SEC source: 0001847202-26-000004 · form4.xml · nonDerivative · entry 1

Horowitz Raanan · CIK 0001847202 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,395

F1 · shares: Subject to the Reporting Person's continued service to Hadron Energy, Inc. (the "Company"), fifty percent of the Restricted Stock Unit ("RSU") shall vest on August 15, 2026, and the remaining fifty percent will vest in two equal installments on November 15 and February 15, such that the grant will be fully vested on February 15, 2027.

SEC source: 0002134547-26-000003 · form4.xml · nonDerivative · entry 1

Lewis Robert James · CIK 0002134547 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,395

F1 · shares: Subject to the Reporting Person's continued service to Hadron Energy, Inc. (the "Company"), fifty percent of the Restricted Stock Unit ("RSU") shall vest on August 15, 2026, and the remaining fifty percent will vest in two equal installments on November 15 and February 15, such that the grant will be fully vested on February 15, 2027.

SEC source: 0001201110-26-000007 · form4.xml · nonDerivative · entry 1

TIMM BRYAN · CIK 0001201110 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,395

F1 · shares: Subject to the Reporting Person's continued service to Hadron Energy, Inc. (the "Company"), fifty percent of the Restricted Stock Unit ("RSU") shall vest on August 15, 2026, and the remaining fifty percent will vest in two equal installments on November 15 and February 15, such that the grant will be fully vested on February 15, 2027.

SEC source: 0001193125-26-349785 · ownership.xml · nonDerivative · entry 1

Hunter Ralph L. JR · CIK 0002088585 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,395

F1 · shares: Subject to the Reporting Person's continued service to Hadron Energy, Inc. (the "Company"), fifty percent of the Restricted Stock Unit ("RSU") shall vest on August 15, 2026, and the remaining fifty percent will vest in two equal installments on November 15 and February 15, such that the grant will be fully vested on February 15, 2027.

SEC source: 0001451693-26-000015 · form4.xml · nonDerivative · entry 1

Katz Avi S · CIK 0001451693 · Director · Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 154,895

F1 · shares: Subject to the Reporting Person's continued service to Hadron Energy, Inc. (the "Company"), fifty percent of the Restricted Stock Unit ("RSU") shall vest on August 15, 2026, and the remaining fifty percent will vest in two equal installments on November 15 and February 15, such that the grant will be fully vested on February 15, 2027.

SEC source: 0001430575-26-000005 · form4.xml · nonDerivative · entry 1

Dinu Raluca · CIK 0001430575 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 154,895

F1 · shares: Subject to the Reporting Person's continued service to Hadron Energy, Inc. (the "Company"), fifty percent of the Restricted Stock Unit ("RSU") shall vest on August 15, 2026, and the remaining fifty percent will vest in two equal installments on November 15 and February 15, such that the grant will be fully vested on February 15, 2027.

SEC source: 0001451693-26-000012 · primary_doc.xml · derivative · entry 6

Katz Avi S · CIK 0001451693 · Director · Chairman · 10% owner

GigAcquisitions7 Corp. · CIK 0002023728 · 10% owner

Dinu Raluca · CIK 0001430575 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · GigAcquisitions7 Corp.

Disclosed balance after: 0

Underlying: Warrants · 29,300 shares

Expires 2026-05-22

F5 · derivative.exercise_price: In connection with the closing of the Merger, the principal balance of the convertible promissory note was paid in full.

F5 · price: In connection with the closing of the Merger, the principal balance of the convertible promissory note was paid in full.

F4 · ownership.nature: The Common Stock are held directly by GigAcquisitions7 Corp. (the "Sponsor"). The shares held by the Sponsor are beneficially owned by Dr. Katz, the Issuer's Chairman of the Board of Directors, and Dr. Dinu, the Issuer's Director. Dr. Katz and Dr. Dinu are the members of the Sponsor, who both have the voting and dispositive power over the shares held by the Sponsor.

SEC source: 0001451693-26-000012 · primary_doc.xml · derivative · entry 5

Katz Avi S · CIK 0001451693 · Director · Chairman · 10% owner

GigAcquisitions7 Corp. · CIK 0002023728 · 10% owner

Dinu Raluca · CIK 0001430575 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · GigAcquisitions7 Corp.

Disclosed balance after: 0

Underlying: Class A ordinary shares · 29,300 shares

Expires 2026-05-22

F5 · derivative.exercise_price: In connection with the closing of the Merger, the principal balance of the convertible promissory note was paid in full.

F5 · price: In connection with the closing of the Merger, the principal balance of the convertible promissory note was paid in full.

F4 · ownership.nature: The Common Stock are held directly by GigAcquisitions7 Corp. (the "Sponsor"). The shares held by the Sponsor are beneficially owned by Dr. Katz, the Issuer's Chairman of the Board of Directors, and Dr. Dinu, the Issuer's Director. Dr. Katz and Dr. Dinu are the members of the Sponsor, who both have the voting and dispositive power over the shares held by the Sponsor.

SEC source: 0001451693-26-000012 · primary_doc.xml · derivative · entry 4

Katz Avi S · CIK 0001451693 · Director · Chairman · 10% owner

GigAcquisitions7 Corp. · CIK 0002023728 · 10% owner

Dinu Raluca · CIK 0001430575 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · GigAcquisitions7 Corp.

Disclosed balance after: 0

Underlying: Common Stock · 9,932,246 shares

Expires 2026-05-22

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: The closing price of the Company's Common Stock on the effective date of the Merger was $5.16.

F2 · price: The closing price of the Company's Common Stock on the effective date of the Merger was $5.16.

F4 · ownership.nature: The Common Stock are held directly by GigAcquisitions7 Corp. (the "Sponsor"). The shares held by the Sponsor are beneficially owned by Dr. Katz, the Issuer's Chairman of the Board of Directors, and Dr. Dinu, the Issuer's Director. Dr. Katz and Dr. Dinu are the members of the Sponsor, who both have the voting and dispositive power over the shares held by the Sponsor.

SEC source: 0001451693-26-000012 · primary_doc.xml · nonDerivative · entry 3

Katz Avi S · CIK 0001451693 · Director · Chairman · 10% owner

GigAcquisitions7 Corp. · CIK 0002023728 · 10% owner

Dinu Raluca · CIK 0001430575 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By GigAcquisitions7 Corp.

Disclosed balance after: 9,932,246

F4 · shares: The Common Stock are held directly by GigAcquisitions7 Corp. (the "Sponsor"). The shares held by the Sponsor are beneficially owned by Dr. Katz, the Issuer's Chairman of the Board of Directors, and Dr. Dinu, the Issuer's Director. Dr. Katz and Dr. Dinu are the members of the Sponsor, who both have the voting and dispositive power over the shares held by the Sponsor.

F2 · price: The closing price of the Company's Common Stock on the effective date of the Merger was $5.16.

F4 · ownership.nature: The Common Stock are held directly by GigAcquisitions7 Corp. (the "Sponsor"). The shares held by the Sponsor are beneficially owned by Dr. Katz, the Issuer's Chairman of the Board of Directors, and Dr. Dinu, the Issuer's Director. Dr. Katz and Dr. Dinu are the members of the Sponsor, who both have the voting and dispositive power over the shares held by the Sponsor.

SEC source: 0001451693-26-000012 · primary_doc.xml · nonDerivative · entry 2

Katz Avi S · CIK 0001451693 · Director · Chairman · 10% owner

GigAcquisitions7 Corp. · CIK 0002023728 · 10% owner

Dinu Raluca · CIK 0001430575 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse, Dr. Raluca Dinu

Disclosed balance after: 87,500

F3 · shares: Received by Dr. Raluca Dinu in exchange for 1,750.04 shares of Hadron held by Dr. Dinu, in connection with the Merger of Hadron into a subsidiary of the Company pursuant to the exchange ratio set forth in the business combination agreement between Hadron and the Company. The acquisition of these shares is an exempt transaction under Rule 16b-3, promulgated by the U.S. Securities and Exchange pursuant to the Securities and Exchange Act of 1934, as amended.

F2 · price: The closing price of the Company's Common Stock on the effective date of the Merger was $5.16.

SEC source: 0001451693-26-000012 · primary_doc.xml · nonDerivative · entry 1

Katz Avi S · CIK 0001451693 · Director · Chairman · 10% owner

GigAcquisitions7 Corp. · CIK 0002023728 · 10% owner

Dinu Raluca · CIK 0001430575 · Director · 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: 87,500

F1 · shares: Received by Dr. Avi S. Katz in exchange for 1,750.04 shares of Hadron Energy, Inc. ("Hadron") held by Dr. Katz, in connection with the merger of Hadron into a subsidiary of GigCapital7 Corp. (the "Company") (the "Merger") pursuant to the exchange ratio set forth in the business combination agreement between Hadron and the Company. The acquisition of these shares is an exempt transaction under Rule 16b-3, promulgated by the U.S. Securities and Exchange pursuant to the Securities and Exchange Act of 1934, as amended.

F2 · price: The closing price of the Company's Common Stock on the effective date of the Merger was $5.16.

SEC source: 0001451693-26-000011 · form4.xml · derivative · entry 2

Katz Avi S · CIK 0001451693 · Director · CEO; Chairmain · 10% owner

GigAcquisitions7 Corp. · CIK 0002023728 · 10% owner

Dinu Raluca · CIK 0001430575 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · GigAcquisitions7 Corp.

Disclosed balance after: 29,300

Underlying: Warrants · 29,300 shares

Expires not disclosed

F1 · derivative.exercise_price: On April 16, 2026, the Issuer entered into an Amended and Restated Convertible Promissory Note (the "Note") promising to pay Sponsor, $293,000.00. All amounts due under the Note may be converted into 29,300 units. Each unit consisting of one Class A ordinary share and one warrant to purchase one Class A ordinary share, resulting in the aggregate of 29,300 Class A ordinary shares and warrants to purchase an additional 29,300 Class A ordinary shares of the Issuer at the discretion of the Sponsor upon the consummation of the business combination. The warrants shall have the same terms and conditions as warrants issued in the Issuer's initial public offering. The acquisition of the Note by the Sponsor, and through it, the beneficial acquisition of the Note by the Sponsor's sole members, is an exempt transaction under Rule 16b-3, promulgated by the U.S. Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended.

F3 · price: The Issuer's Class A ordinary shares and warrants as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-280015).

F1 · derivative.exercise_date: On April 16, 2026, the Issuer entered into an Amended and Restated Convertible Promissory Note (the "Note") promising to pay Sponsor, $293,000.00. All amounts due under the Note may be converted into 29,300 units. Each unit consisting of one Class A ordinary share and one warrant to purchase one Class A ordinary share, resulting in the aggregate of 29,300 Class A ordinary shares and warrants to purchase an additional 29,300 Class A ordinary shares of the Issuer at the discretion of the Sponsor upon the consummation of the business combination. The warrants shall have the same terms and conditions as warrants issued in the Issuer's initial public offering. The acquisition of the Note by the Sponsor, and through it, the beneficial acquisition of the Note by the Sponsor's sole members, is an exempt transaction under Rule 16b-3, promulgated by the U.S. Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended.

F2 · derivative.expiration_date: The principal balance of the Note shall be payable by the Issuer on the earlier of: (i) the date on which Issuer consummates its initial business combination or (ii) the date that the winding up of the Issuer is effective. Payee may elect to convert the Note upon consummation of an initial business combination of the Issuer or at Payee's option at any time prior to the payment in full.

F4 · ownership.nature: The Class B ordinary shares are held directly by GigAcquisitions7 Corp. (the "Sponsor"). The shares held by the Sponsor are beneficially owned by Dr. Katz, GigCapital7 Corp.'s Chief Executive Officer and Chairman of the Board of Directors, and Dr. Raluca Dinu, GigCapital7 Corp.'s Director. Dr. Katz and Dr. Dinu are the sole members of the Sponsor, who both have the voting and dispositive power over the shares held by the Sponsor.

SEC source: 0001451693-26-000011 · form4.xml · derivative · entry 1

Katz Avi S · CIK 0001451693 · Director · CEO; Chairmain · 10% owner

GigAcquisitions7 Corp. · CIK 0002023728 · 10% owner

Dinu Raluca · CIK 0001430575 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · GigAcquisitions7 Corp.

Disclosed balance after: 29,300

Underlying: Class A ordinary shares · 29,300 shares

Expires not disclosed

F1 · derivative.exercise_price: On April 16, 2026, the Issuer entered into an Amended and Restated Convertible Promissory Note (the "Note") promising to pay Sponsor, $293,000.00. All amounts due under the Note may be converted into 29,300 units. Each unit consisting of one Class A ordinary share and one warrant to purchase one Class A ordinary share, resulting in the aggregate of 29,300 Class A ordinary shares and warrants to purchase an additional 29,300 Class A ordinary shares of the Issuer at the discretion of the Sponsor upon the consummation of the business combination. The warrants shall have the same terms and conditions as warrants issued in the Issuer's initial public offering. The acquisition of the Note by the Sponsor, and through it, the beneficial acquisition of the Note by the Sponsor's sole members, is an exempt transaction under Rule 16b-3, promulgated by the U.S. Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended.

F3 · price: The Issuer's Class A ordinary shares and warrants as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-280015).

F1 · derivative.exercise_date: On April 16, 2026, the Issuer entered into an Amended and Restated Convertible Promissory Note (the "Note") promising to pay Sponsor, $293,000.00. All amounts due under the Note may be converted into 29,300 units. Each unit consisting of one Class A ordinary share and one warrant to purchase one Class A ordinary share, resulting in the aggregate of 29,300 Class A ordinary shares and warrants to purchase an additional 29,300 Class A ordinary shares of the Issuer at the discretion of the Sponsor upon the consummation of the business combination. The warrants shall have the same terms and conditions as warrants issued in the Issuer's initial public offering. The acquisition of the Note by the Sponsor, and through it, the beneficial acquisition of the Note by the Sponsor's sole members, is an exempt transaction under Rule 16b-3, promulgated by the U.S. Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended.

F2 · derivative.expiration_date: The principal balance of the Note shall be payable by the Issuer on the earlier of: (i) the date on which Issuer consummates its initial business combination or (ii) the date that the winding up of the Issuer is effective. Payee may elect to convert the Note upon consummation of an initial business combination of the Issuer or at Payee's option at any time prior to the payment in full.

F4 · ownership.nature: The Class B ordinary shares are held directly by GigAcquisitions7 Corp. (the "Sponsor"). The shares held by the Sponsor are beneficially owned by Dr. Katz, GigCapital7 Corp.'s Chief Executive Officer and Chairman of the Board of Directors, and Dr. Raluca Dinu, GigCapital7 Corp.'s Director. Dr. Katz and Dr. Dinu are the sole members of the Sponsor, who both have the voting and dispositive power over the shares held by the Sponsor.

SEC source: 0002023730-26-000003 · form4.xml · derivative · entry 3

Katz Avi S · CIK 0001451693 · Director · CEO; Chairmain · 10% owner

GigAcquisitions7 Corp. · CIK 0002023728 · 10% owner

Dinu Raluca · CIK 0001430575 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · GigAcquisitions7 Corp.

Disclosed balance after: 14,800

Underlying: Warrants · 14,800 shares

Expires not disclosed

F4 · derivative.exercise_price: On January 30, 2026, the Issuer entered into a Convertible Promissory Note (the "Note") promising to pay Sponsor, $148,000.00. All amounts due under the Note may be converted into 14,800 units. Each unit consisting of one Class A ordinary share and one warrant to purchase one Class A ordinary share, resulting in the aggregate of 14,800 Class A ordinary shares and warrants to purchase an additional 14,800 Class A ordinary shares of the Issuer at the discretion of the Sponsor upon the consummation of the business combination. The warrants shall have the same terms and conditions as warrants issued in the Issuer's initial public offering. The acquisition of the Note by the Sponsor, and through it, the beneficial acquisition of the Note by the Sponsor's sole members, is an exempt transaction under Rule 16b-3, promulgated by the U.S. Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended.

F6 · price: The Issuer's Class A ordinary shares and warrants as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-280015).

F4 · derivative.exercise_date: On January 30, 2026, the Issuer entered into a Convertible Promissory Note (the "Note") promising to pay Sponsor, $148,000.00. All amounts due under the Note may be converted into 14,800 units. Each unit consisting of one Class A ordinary share and one warrant to purchase one Class A ordinary share, resulting in the aggregate of 14,800 Class A ordinary shares and warrants to purchase an additional 14,800 Class A ordinary shares of the Issuer at the discretion of the Sponsor upon the consummation of the business combination. The warrants shall have the same terms and conditions as warrants issued in the Issuer's initial public offering. The acquisition of the Note by the Sponsor, and through it, the beneficial acquisition of the Note by the Sponsor's sole members, is an exempt transaction under Rule 16b-3, promulgated by the U.S. Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended.

F5 · derivative.expiration_date: The principal balance of the Note shall be payable by the Issuer on the earlier of: (i) the date on which Issuer consummates its initial business combination or (ii) the date that the winding up of the Issuer is effective. Payee may elect to convert the Note upon consummation of an initial business combination of the Issuer or at Payee's option at any time prior to the payment in full.

F3 · ownership.nature: The Class B ordinary shares are held directly by GigAcquisitions7 Corp. (the "Sponsor"). The shares held by the Sponsor are beneficially owned by Dr. Katz, GigCapital7 Corp.'s Chief Executive Officer and Chairman of the Board of Directors, and Dr. Raluca Dinu, GigCapital7 Corp.'s Director. Dr. Katz and Dr. Dinu are the sole members of the Sponsor, who both have the voting and dispositive power over the shares held by the Sponsor.

SEC source: 0002023730-26-000003 · form4.xml · derivative · entry 2

Katz Avi S · CIK 0001451693 · Director · CEO; Chairmain · 10% owner

GigAcquisitions7 Corp. · CIK 0002023728 · 10% owner

Dinu Raluca · CIK 0001430575 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · GigAcquisitions7 Corp.

Disclosed balance after: 14,800

Underlying: Class A ordinary shares · 14,800 shares

Expires not disclosed

F4 · derivative.exercise_price: On January 30, 2026, the Issuer entered into a Convertible Promissory Note (the "Note") promising to pay Sponsor, $148,000.00. All amounts due under the Note may be converted into 14,800 units. Each unit consisting of one Class A ordinary share and one warrant to purchase one Class A ordinary share, resulting in the aggregate of 14,800 Class A ordinary shares and warrants to purchase an additional 14,800 Class A ordinary shares of the Issuer at the discretion of the Sponsor upon the consummation of the business combination. The warrants shall have the same terms and conditions as warrants issued in the Issuer's initial public offering. The acquisition of the Note by the Sponsor, and through it, the beneficial acquisition of the Note by the Sponsor's sole members, is an exempt transaction under Rule 16b-3, promulgated by the U.S. Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended.

F6 · price: The Issuer's Class A ordinary shares and warrants as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-280015).

F4 · derivative.exercise_date: On January 30, 2026, the Issuer entered into a Convertible Promissory Note (the "Note") promising to pay Sponsor, $148,000.00. All amounts due under the Note may be converted into 14,800 units. Each unit consisting of one Class A ordinary share and one warrant to purchase one Class A ordinary share, resulting in the aggregate of 14,800 Class A ordinary shares and warrants to purchase an additional 14,800 Class A ordinary shares of the Issuer at the discretion of the Sponsor upon the consummation of the business combination. The warrants shall have the same terms and conditions as warrants issued in the Issuer's initial public offering. The acquisition of the Note by the Sponsor, and through it, the beneficial acquisition of the Note by the Sponsor's sole members, is an exempt transaction under Rule 16b-3, promulgated by the U.S. Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended.

F5 · derivative.expiration_date: The principal balance of the Note shall be payable by the Issuer on the earlier of: (i) the date on which Issuer consummates its initial business combination or (ii) the date that the winding up of the Issuer is effective. Payee may elect to convert the Note upon consummation of an initial business combination of the Issuer or at Payee's option at any time prior to the payment in full.

F3 · ownership.nature: The Class B ordinary shares are held directly by GigAcquisitions7 Corp. (the "Sponsor"). The shares held by the Sponsor are beneficially owned by Dr. Katz, GigCapital7 Corp.'s Chief Executive Officer and Chairman of the Board of Directors, and Dr. Raluca Dinu, GigCapital7 Corp.'s Director. Dr. Katz and Dr. Dinu are the sole members of the Sponsor, who both have the voting and dispositive power over the shares held by the Sponsor.

SEC source: 0002023730-26-000003 · form4.xml · derivative · entry 1

Katz Avi S · CIK 0001451693 · Director · CEO; Chairmain · 10% owner

GigAcquisitions7 Corp. · CIK 0002023728 · 10% owner

Dinu Raluca · CIK 0001430575 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · GigAcquisitions7 Corp.

Disclosed balance after: 9,932,246

Underlying: Class A ordinary shares · 175,000 shares

Expires not disclosed

F1 · derivative.exercise_price: The Class B ordinary shares are convertible for the Issuer's Class A ordinary shares as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-280015) and have no expiration date.

F2 · kind: The reporting person sold 175,000 shares of Class B ordinary shares for an aggregate of $148,750, which the reporting person holds indirectly through GigAcquisitions7 Corp.

F1 · price: The Class B ordinary shares are convertible for the Issuer's Class A ordinary shares as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-280015) and have no expiration date.

F2 · price: The reporting person sold 175,000 shares of Class B ordinary shares for an aggregate of $148,750, which the reporting person holds indirectly through GigAcquisitions7 Corp.

F1 · derivative.exercise_date: The Class B ordinary shares are convertible for the Issuer's Class A ordinary shares as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-280015) and have no expiration date.

F1 · derivative.expiration_date: The Class B ordinary shares are convertible for the Issuer's Class A ordinary shares as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-280015) and have no expiration date.

F3 · ownership.nature: The Class B ordinary shares are held directly by GigAcquisitions7 Corp. (the "Sponsor"). The shares held by the Sponsor are beneficially owned by Dr. Katz, GigCapital7 Corp.'s Chief Executive Officer and Chairman of the Board of Directors, and Dr. Raluca Dinu, GigCapital7 Corp.'s Director. Dr. Katz and Dr. Dinu are the sole members of the Sponsor, who both have the voting and dispositive power over the shares held by the Sponsor.

SEC source: 0001062993-25-015178 · form4.xml · derivative · entry 1

Dinu Raluca · CIK 0001430575 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · GigAcquisitions7 Corp.

Disclosed balance after: 10,107,246

Underlying: Class A ordinary shares · 100,000 shares

Expires not disclosed

F1 · derivative.exercise_price: The Class B ordinary shares are convertible for the Issuer's Class A ordinary shares as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-280015) and have no expiration date.

F2 · kind: The reporting person transferred 100,000 shares of Class B ordinary shares for no consideration to a non-affiliated charitable organization, which the reporting person holds indirectly through GigAcquisitions7 Corp.

F1 · price: The Class B ordinary shares are convertible for the Issuer's Class A ordinary shares as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-280015) and have no expiration date.

F1 · derivative.exercise_date: The Class B ordinary shares are convertible for the Issuer's Class A ordinary shares as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-280015) and have no expiration date.

F1 · derivative.expiration_date: The Class B ordinary shares are convertible for the Issuer's Class A ordinary shares as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-280015) and have no expiration date.

F3 · ownership.nature: The Class B ordinary shares are held directly by GigAcquisitions7 Corp. (the "Sponsor"). The shares held by the Sponsor are beneficially owned by Dr. Raluca Dinu, GigCapital7 Corp.'s Director and Dr. Katz, GigCapital7 Corp.'s Chairman of the Board of Directors. Dr. Katz and Dr. Dinu are the members of the Sponsor, who both have the voting and dispositive power over the shares held by the Sponsor.

SEC source: 0001062993-25-015177 · form4.xml · derivative · entry 1

Katz Avi S · CIK 0001451693 · Director · 10% owner

GigAcquisitions7 Corp. · CIK 0002023728 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · GigAcquisitions7 Corp.

Disclosed balance after: 10,107,246

Underlying: Class A ordinary shares · 100,000 shares

Expires not disclosed

F1 · derivative.exercise_price: The Class B ordinary shares are convertible for the Issuer's Class A ordinary shares as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-280015) and have no expiration date.

F2 · kind: The reporting person transferred 100,000 shares of Class B ordinary shares for no consideration to a non-affiliated charitable organization, which the reporting person holds indirectly through GigAcquisitions7 Corp.

F1 · price: The Class B ordinary shares are convertible for the Issuer's Class A ordinary shares as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-280015) and have no expiration date.

F1 · derivative.exercise_date: The Class B ordinary shares are convertible for the Issuer's Class A ordinary shares as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-280015) and have no expiration date.

F1 · derivative.expiration_date: The Class B ordinary shares are convertible for the Issuer's Class A ordinary shares as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-280015) and have no expiration date.

F3 · ownership.nature: The Class B ordinary shares are held directly by GigAcquisitions7 Corp. (the "Sponsor"). The shares held by the Sponsor are beneficially owned by Dr. Katz, GigCapital7 Corp.'s Chairman of the Board of Directors, and Dr. Raluca Dinu, GigCapital7 Corp.'s Director. Dr. Katz and Dr. Dinu are the members of the Sponsor, who both have the voting and dispositive power over the shares held by the Sponsor.