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GigCapital7 Corp.

For the period ended Mar 31, 2026. Filed May 6, 2026.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Mar 31, 2026 · Filed May 6, 2026

HDRN$0.70+3.4%Stored close · as of Nov 9, 2026

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Item 6. Exhibits

ExhibitNumberDescription
2.1Business Combination Agreement, dated September 27, 2025, by and among GigCapital7 Corp., MMR Merger Sub, Inc., and Hadron Energy, Inc.
3.1**Amended and Restated Memorandum and Articles of Association
4.1***Specimen Unit Certificate
4.2***Specimen Class A Ordinary Share Certificate
4.3***Specimen Warrant Certificate
4.4**Warrant Agreement, dated August 28, 2024, by and between the Company and Continental Stock Transfer & Trust Company
10.1****Sponsor Support Agreement, dated September 27, 2025, by and among GigAcquisitions7 Corp. and Hadron Energy, Inc.
10.2****†Transaction Support Agreement dated September 27, 2025, by and among GigCapital7 Corp. and certain of the stockholders of Hadron Energy, Inc. named in the Transaction Support Agreement.
10.3**Insider Letter Agreement, dated August 28, 2024, by and among the Company, each of its officers and directors and the Sponsor
10.4**Warrant Purchase Agreement, dated August 28, 2024, by and between the Company and the Sponsor
10.5**Registration Rights Agreement, dated August 28, 2024, by and among the Company, the Sponsor, consultant, and non-managing investors
10.6**Investment Management Trust Agreement, dated August 28, 2024, by and between the Company and Continental Stock Transfer & Trust Company
10.7**Administrative Services Agreement, dated August 28, 2024, by and among the Company and GigManagement, LLC
10.8**Form of Indemnification Agreement
10.9*****Amended and Restated Promissory Note, dated April 16, 2026, by and between GigCapital7 Corp. and GigAcquisitions7 Corp.
31.1Certification of Principal Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2Certification of Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1*Certification of Principal Executive Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2*Certification of Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INSInline XBRL Instance Document – the instance document does not appear in the Interactive Data File because XBRL tags are embedded within the Inline XBRL document.
101.SCHInline XBRL Taxonomy Extension Schema With Embedded Linkbase Documents
101.CALInline XBRL Taxonomy Extension Calculation Linkbase Document
101.DEFInline XBRL Taxonomy Extension Definition Linkbase Document
101.LABInline XBRL Taxonomy Extension Label Linkbase Document
101.PREInline XBRL Taxonomy Extension Presentation Linkbase Document
104Cover Page Interactive Data File (embedded within the Inline XBRL document)
  • This certification is deemed not filed for purposes of Section 18 of the Exchange Act, or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act.

** Previously filed with that certain Current Report on Form 8-K filed with the Securities and Exchange Commission on August 28, 2024, and incorporated herein by reference.

*** Previously filed with that certain Registration Statement on Form S-1 filed with the Securities and Exchange Commission on August 26, 2024, and incorporated herein by reference.

**** Previously filed with that certain Registration Statement on Form S-4 filed with the Securities and Exchange Commission on November 12, 2025, and incorporated herein by reference.

***** Previously filed with that certain Current Report on Form 8-K filed with the Securities and Exchange Commission on April 20, 2026, and incorporated herein by reference.

†Certain portions of this exhibit (indicated by “[***]”) have been omitted pursuant to Item 601(b)(10)(iv) of Regulation S-K because it is not material and is the type of information that the Registrant treats as private or confidential. The Registrant agrees to furnish supplementally a copy of such schedules, or any section thereof, to the SEC upon request.

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