Company: GIGGU
Filing Date: 2025-11-12
Form Type: S-4
Source: 0001193125-25-277896
Chunk: 641

Company: GigCapital7 Corp.
Filing Date: 2025-11-12
Form: S-4
Chunk 641
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 RELATED PARTY TRANSACTIONS Due from stockholder Due from stockholder was $63,803 and $24,614 at June 30, 2025 and December 31, 2024, respectively, and consists of advances to the Company’s primary stockholder for certain living and other personal expenses. F-45

#### Reimbursement of costs
The Company has entered into SAFEs (Note 5) and RSPAs (Note 7) with certain individuals, who have also provided services to the Company. The Company reimbursed contract labor of $106,500 for the six months ended June 30, 2025 to these individuals, and which is included in general and administrative expenses in the accompanying condensed statement of operations.

#### 10. COMMITMENTS AND CONTINGENCIES
From time to time, the Company may be involved in litigation relating to claims arising out of its operations in the normal course of business. The Company currently is not a party to any legal proceedings, the adverse outcome of which, in management’s opinion, individually or in the aggregate, would have a material adverse effect on the Company’s results of operations, financial position or cash flows.

#### 11. SUBSEQUENT EVENTS
The Company has evaluated all events or transactions that occurred after June 30, 2025 through November 12, 2025, which is the date that the financial statements were available to be issued. During this period, there were no material subsequent events requiring disclosure except as follows:

As noted in Note 1, on September 27, 2025 the Company entered into a Business Combination Agreement with GigCapital7.

Subsequent to June 30, 2025, the Company received gross proceeds associated with SAFE equity financings aggregating approximately $3,036,500.

<div align='center'>F-46

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM</div>

To the Board of Directors and Stockholders of Hadron Energy, Inc.:

### Opinion on the Financial Statements
**We have audited the accompanying balance sheet of Hadron Energy, Inc. (the “Company”) as of December 31, 2024, and the related statements of operations, changes in stockholders’ deficit and cash flows for period from July 8, 2024 (inception) through December 31, 2024, and the related notes (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial