Welcome to our dedicated page for GIGCAPITAL7 SEC filings (Ticker: GIGGU), 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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Hadron Energy, Inc. filed a Form 4 for its Chief Financial Officer, Christine M. Marshall. The filing lists her as an officer but shows no reported purchases, sales, option exercises, gifts, or other equity transactions, with all transaction counters recorded as zero.
Hadron Energy, Inc. filed a Form 4 for its Chief Financial Officer, Christine M. Marshall. The filing lists her as an officer but shows no reported purchases, sales, option exercises, gifts, or other equity transactions, with all transaction counters recorded as zero.
Hadron Energy, Inc. director Karen M. Rogge filed a Form 4 reporting her insider position. In the data shown, there are no reportable purchases, sales, gifts, option exercises, or other equity transactions, and the net buy/sell direction is listed as neutral.
Hadron Energy, Inc. director Karen M. Rogge filed a Form 4 reporting her insider position. In the data shown, there are no reportable purchases, sales, gifts, option exercises, or other equity transactions, and the net buy/sell direction is listed as neutral.
GigCapital7 Corp. submitted a Form 25 notification reflecting removal/withdrawal of its Units from listing and registration on the Nasdaq Stock Market LLC. Nasdaq certified it has reasonable grounds to file and the form is signed on its behalf by Tara Petta, AVP.
GigCapital7 Corp. submitted a Form 25 notification reflecting removal/withdrawal of its Units from listing and registration on the Nasdaq Stock Market LLC. Nasdaq certified it has reasonable grounds to file and the form is signed on its behalf by Tara Petta, AVP.
GigCapital7 Corp. ownership disclosure: TD Securities (USA) LLC reports beneficial ownership of 1,219,887 shares of Class A ordinary shares, representing 6.1% of the class as indicated in the filing dated 03/31/2026. The schedule is jointly filed by TD Securities (USA) LLC, Toronto Dominion Holdings USA Inc., TD Group US Holdings LLC and The Toronto‑Dominion Bank; the filing states that TD Securities has sole voting and dispositive power over the reported shares and that the parent entities disclaim direct beneficial ownership except for pecuniary interest.
GigCapital7 Corp. ownership disclosure: TD Securities (USA) LLC reports beneficial ownership of 1,219,887 shares of Class A ordinary shares, representing 6.1% of the class as indicated in the filing dated 03/31/2026. The schedule is jointly filed by TD Securities (USA) LLC, Toronto Dominion Holdings USA Inc., TD Group US Holdings LLC and The Toronto‑Dominion Bank; the filing states that TD Securities has sole voting and dispositive power over the reported shares and that the parent entities disclaim direct beneficial ownership except for pecuniary interest.
GigCapital7 Corp. reporting persons led by Meteora Capital, LLC file a Schedule 13G disclosing 1,990,712 shares of Class A Common Stock, equal to 9.95% of the class. The filing states shared voting and dispositive power of 1,990,712 and includes the reporting persons' address and a signature dated 05/15/2026.
The filing notes it should not be construed as an admission that the reporting persons are beneficial owners for purposes of Section 13. The CUSIP for the Class A Common Stock is 37518P101.
GigCapital7 Corp. reporting persons led by Meteora Capital, LLC file a Schedule 13G disclosing 1,990,712 shares of Class A Common Stock, equal to 9.95% of the class. The filing states shared voting and dispositive power of 1,990,712 and includes the reporting persons' address and a signature dated 05/15/2026.
The filing notes it should not be construed as an admission that the reporting persons are beneficial owners for purposes of Section 13. The CUSIP for the Class A Common Stock is 37518P101.
GigCapital7 Corp. filing an amendment to its Schedule 13G/A reports that the listed Harraden Circle entities and Frederick V. Fortmiller, Jr. no longer beneficially own more than five percent of the issuer's Class A common stock. The amendment states amount beneficially owned: 0 and percent of class: 0%, and is signed by Mr. Fortmiller as managing member on 05/14/2026. The filing describes the Reporting Persons' relationships (general partner, investment manager, managing member) and characterizes this submission as an exit filing.
GigCapital7 Corp. filing an amendment to its Schedule 13G/A reports that the listed Harraden Circle entities and Frederick V. Fortmiller, Jr. no longer beneficially own more than five percent of the issuer's Class A common stock. The amendment states amount beneficially owned: 0 and percent of class: 0%, and is signed by Mr. Fortmiller as managing member on 05/14/2026. The filing describes the Reporting Persons' relationships (general partner, investment manager, managing member) and characterizes this submission as an exit filing.
Mizuho Financial Group, Inc. reported beneficial ownership of 1,477,330 common shares of GigCapital7 Corp., representing 7.4% of the class as of 03/31/2026.
The filing, submitted on a Schedule 13G, states the shares are directly held by Mizuho Securities USA LLC and notes that Mizuho Bank, Ltd. and related entities may be deemed indirect beneficial owners of those securities.
Mizuho Financial Group, Inc. reported beneficial ownership of 1,477,330 common shares of GigCapital7 Corp., representing 7.4% of the class as of 03/31/2026.
The filing, submitted on a Schedule 13G, states the shares are directly held by Mizuho Securities USA LLC and notes that Mizuho Bank, Ltd. and related entities may be deemed indirect beneficial owners of those securities.
GigCapital7 Corp. completed a legal move, or “Domestication,” from the Cayman Islands to Delaware on May 8, 2026, ahead of its planned business combination with Hadron Energy, Inc. The company adopted a new Delaware charter and bylaws at the same effective time.
The filing states that this Domestication did not change GigCapital7’s business, management, employees, properties, contracts, assets, liabilities or net worth other than related costs. Each existing Class A and Class B ordinary share, unit and warrant automatically converted into corresponding Delaware common stock, units and warrants on a one-for-one basis.
All outstanding rights and warrants linked to the pre-domestication securities now relate to the same number of domesticated securities on the same terms, and stockholders are not required to exchange their certificates. The domesticated common stock continues trading on Nasdaq under the symbol “GIG”.
GigCapital7 Corp. completed a legal move, or “Domestication,” from the Cayman Islands to Delaware on May 8, 2026, ahead of its planned business combination with Hadron Energy, Inc. The company adopted a new Delaware charter and bylaws at the same effective time.
The filing states that this Domestication did not change GigCapital7’s business, management, employees, properties, contracts, assets, liabilities or net worth other than related costs. Each existing Class A and Class B ordinary share, unit and warrant automatically converted into corresponding Delaware common stock, units and warrants on a one-for-one basis.
All outstanding rights and warrants linked to the pre-domestication securities now relate to the same number of domesticated securities on the same terms, and stockholders are not required to exchange their certificates. The domesticated common stock continues trading on Nasdaq under the symbol “GIG”.
GIGCAPITAL7 CORP. Schedule 13G/A amendment shows The Goldman Sachs Group, Inc. and Goldman Sachs & Co. LLC report shared voting and dispositive power over 631,845 shares of Class A ordinary shares, representing 3.2% of the class as of 03/31/2026. The filing includes a joint filing agreement and exhibits clarifying subsidiary reporting.
GIGCAPITAL7 CORP. Schedule 13G/A amendment shows The Goldman Sachs Group, Inc. and Goldman Sachs & Co. LLC report shared voting and dispositive power over 631,845 shares of Class A ordinary shares, representing 3.2% of the class as of 03/31/2026. The filing includes a joint filing agreement and exhibits clarifying subsidiary reporting.
W. R. Berkley Corporation filed a Schedule 13G disclosing beneficial ownership of 1,735,682 Class A ordinary shares of GigCapital7 Corp., representing 8.7% of that class. The filing reports shared voting power and shared dispositive power over the same 1,735,682 shares, attributed in part to Berkley Insurance Company. The filing lists CUSIP G38648104 and is signed by Richard M. Baio, Executive Vice President and CFO/Treasurer.
W. R. Berkley Corporation filed a Schedule 13G disclosing beneficial ownership of 1,735,682 Class A ordinary shares of GigCapital7 Corp., representing 8.7% of that class. The filing reports shared voting power and shared dispositive power over the same 1,735,682 shares, attributed in part to Berkley Insurance Company. The filing lists CUSIP G38648104 and is signed by Richard M. Baio, Executive Vice President and CFO/Treasurer.