Welcome to our dedicated page for Hadron Energy SEC filings (Ticker: GIG), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
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GigCapital7 Corp. disclosed that Hadron Energy will take part in a U.S. Nuclear Regulatory Commission public meeting on February 19, 2026 to review Hadron’s Quality Assurance Program Description Topical Report supporting its Halo Micro-Modular Reactor licensing pathway. The QAPD addresses quality controls under 10 CFR Part 50, Appendix B and aligns with ASME NQA-1 standards.
The filing notes the Halo MMR is a 10 MWe light-water, factory-built micro-modular reactor and links this regulatory milestone to Hadron’s planned $1.2 billion proposed public listing via a business combination with GigCapital7 (Nasdaq: GIG). The meeting is an observation session open to the public as part of Hadron’s pre-application regulatory engagement.
Katz Avi S reported multiple insider transaction types in a Form 4 filing for GIG. The filing lists transactions totaling 204,600 shares. Following the reported transactions, holdings were 14,800 shares.
Highbridge Capital Management, LLC filed a Schedule 13G reporting beneficial ownership of 1,878,437 Class A Ordinary Shares of GigCapital7 Corp., representing 9.4% of the class. The shares are directly held by certain Highbridge-managed funds, with Highbridge acting as investment adviser.
The ownership percentage is based on 20,000,000 Class A Ordinary Shares outstanding as of November 14, 2025, as disclosed in GigCapital7’s Form 10-Q. Highbridge certifies the holdings are in the ordinary course of business and not for the purpose of changing or influencing control of the company.
Lighthouse Investment Partners and MAP 136 Segregated Portfolio report a 4.98% beneficial stake in GigCapital7 Corp. common stock. As of December 31, 2025, they may be deemed to beneficially own 996,759 shares with shared voting and disposition power and no sole authority over the shares.
The filing states the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of GigCapital7.
GigCapital7 Corp. received an updated ownership report from Aristeia Capital, L.L.C., an investment adviser organized in Delaware. Aristeia reports beneficial ownership of 1,005,240 Class A ordinary shares, representing 5.03% of the class.
This percentage is based on 20,000,000 shares outstanding as of November 14, 2025, as disclosed in GigCapital7's Form 10-Q. Aristeia has sole voting and dispositive power over all 1,005,240 shares and certifies that the holdings are in the ordinary course of business, not for the purpose of changing or influencing control of the company.
GigCapital7 files an amendment to register up to 143,226,087 shares of Domesticated GigCapital7 Common Stock and 20,000,000 warrants. The filing relates to a proposed business combination whereby GigCapital7 will domesticate to Delaware, merge with Hadron Energy (Merger Sub into Hadron Energy), and rename the surviving public company Hadron Energy, Inc.
The proxy/prospectus describes the Domestication, the Merger mechanics (an Exchange Ratio based on an Aggregate Merger Consideration derived from $1,200,200,000 divided by a per-share price of $10.59), up to 100,000,000 shares potentially issuable as Merger consideration, Sponsor economics (Sponsor holds approximately 29.8% of outstanding shares; Founder Shares of 9,932,246 and 3,719,000 Private Placement Warrants convert at Closing), outstanding Working Capital Loans of $148,000, and Public Share redemption mechanics (illustrative Redemption Price $10.61423 as of the Record Date).
GigCapital7 Corp. received an amended Schedule 13G showing that Tenor Capital Management Company, L.P., Tenor Opportunity Master Fund, Ltd., and Robin Shah together report beneficial ownership of 1,894,982 Class A ordinary shares. This represents 9.5% of the outstanding Class A shares, based on 20,000,000 shares issued and outstanding in the issuer’s 10-Q filed on November 14, 2025.
The shares are held by Tenor Opportunity Master Fund, with Tenor Capital as investment manager and Shah as managing member of Tenor Capital’s general partner. The filers report sole voting and dispositive power over these shares, while disclaiming beneficial ownership beyond their pecuniary interest. They also certify the position is not held to change or influence control of GigCapital7.
Harraden Circle Investments and related funds reported a 5.86% stake in GigCapital7 Corp.’s Class A common stock, totaling 1,171,361 shares. The group, including several Harraden Circle limited partnerships and their manager Frederick V. Fortmiller Jr., reports only shared voting and shared dispositive power over all of these shares, with no sole authority.
The filing is made on Schedule 13G, indicating the securities were acquired and are held without the purpose or effect of changing or influencing control of GigCapital7 Corp. The ownership structure runs through Delaware partnerships and LLCs, with Mr. Fortmiller serving as managing member and control person.
Barclays PLC filed Amendment No. 2 to a Schedule 13G for GIGCAPITAL7 CORP-A common stock. The filing reports that Barclays now beneficially owns 0 shares, representing 0% of the class, as of the event date 12/31/2025.
The filing confirms Barclays has sole and shared voting and dispositive power over 0 shares, meaning it is no longer a significant beneficial owner and holds 5 percent or less of this security class.
AQR Capital Management and related entities report beneficial ownership of 1,105,491 GigCapital7 Corp. Class A ordinary shares, representing 5.53% of the class. The shares are held with shared voting and dispositive power, with no sole power reported by any of the AQR entities.
The filing is made on a passive basis, stating the securities were acquired and are held in the ordinary course of business, not for the purpose of changing or influencing control of GigCapital7. The reporting date for this ownership position is 12/31/2025.