Company: GIGGU
Filing Date: 2025-11-12
Form Type: S-4
Source: 0001193125-25-277896
Chunk: 321

Company: GigCapital7 Corp.
Filing Date: 2025-11-12
Form: S-4
Chunk 321
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 and executive officers are also Hadron Stockholders prior to the Closing they will also have rights to receive Domesticated GigCapital7 Common Stock in the same manner as other Hadron Stockholders, in accordance with the Business Combination Agreement. |

| • |     | If the Business Combination with GigCapital7 is completed, Hadron Energy will designate three members to the Board of Directors of the Domesticated GigCapital7, including Samuel Gibson and Robert J. Lewis, each of whom will serve as the nominees. Samuel Gibson is currently a director of Hadron Energy. The following executive officers of Hadron Energy are expected to be appointed as executive officers of Domesticated GigCapital7 following the consummation of the Business Combination: Samuel Gibson, Mark Kress, Ross Ridenoure, Shawn DeAngelo, Dr. Andrew Ward and Ryan Mott. |

| • |     | The Business Combination Agreement provides for the continued indemnification of Hadron Energy’s current directors and officers and the continuation of directors and officers liability insurance covering Hadron Energy’s current directors and officers. |

| • |     | Pursuant to the Registration Rights Agreement, certain stockholders of Hadron Energy will have customary registration rights, including shelf, demand and piggy-back rights, subject to cooperation and cut-back provisions, with respect to the shares of Domesticated GigCapital7 held by such parties following the consummation of the Business Combination. |

Hadron Energy Options Held by Directors and Executive Officers Certain of Hadron Energy’s executive officers hold options to purchase shares of Hadron Common Stock (the, a “ Hadron Options”). The following table sets forth, for each of Hadron Energy’s executive officers, the number of vested and unvested Hadron Options held by the executive officer as of [•]. Depending on when the Closing Date occurs, certain Hadron Options shown in the table may vest prior to Closing.

| Name               |     | Vested  
 Hadron  
 Options |     | Unvested 
 Hadron   
 Options  |
| Executive Officers |     |         |     |          |
| Mark Kress         |     |         |     |          |
| Ryan Mott          |     |         |     |          |
| Shawn DeAngelo     |     |         |     |          |
| Ross Ridenoure     |     |         |     |          |
| Andrew Ward        |     |         |     |          |

As discussed in this proxy statement/prospectus, as part of the Business Combination, each Hadron Option that