Friday, May 22, 2026

Equity Corporate Actions Alert #2026 - 354
(UPDATED: Closed) Information Regarding the Business Combination of GigCapital7 Corp. (GIG/GIGGU/GIGGW) and Hadron Energy, Inc.

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The business combination of GigCapital7 Corp. (GIG/GIGGU/GIGGW) and Hadron Energy, Inc. closed today, Friday, May 22, 2026. Following the completion of the business combination, the company's Common stock (GIG) and Warrants (GIGGW) will undergo a name, symbol and CUSIP number change. The company's Units (GIGGU) will be suspended from trading. The combined company will list on the Nasdaq Capital Market and be domiciled in Delaware. These actions will become effective on May 26, 2026.

The details of the name & CUSIP changes are follows:

Current Company Name & Issue Type: GigCapital7 Corp. Class A Ordinary Share
New Company Name & Issue Type: Hadron Energy, Inc. Common Stock
Current CUSIP: 37518P101
New CUSIP: 40500A108
Current Symbol: GIG
New Symbol: HDRN
Marketplace Effective Date: May 26, 2026

Current Company Name & Issue Type: GigCapital7 Corp. Warrant
New Company Name & Issue Type: Hadron Energy, Inc. Warrant expiring 5/22/2031
Current CUSIP: 37518P119
New CUSIP: 40500A116
Current Symbol: GIGGW
New Symbol: HDRNW
Marketplace Effective Date: May 26, 2026

If you would like to register as a market maker in HDRN or HDRNW, contact Nasdaq Trading Services at +1 212 231 5100.



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