Company: GIGGU
Filing Date: 2025-09-29
Form Type: 425
Source: 0001193125-25-221783
Chunk: 18

Company: GigCapital7 Corp.
Filing Date: 2025-09-29
Form: 425
Chunk 18
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 certain permitted transferees, provided that such transferees agree to be bound by the terms of the Lock-UpAgreement. The foregoing description of the Lock-UpAgreement and the transactions contemplated thereby is not complete and is subject to, and qualified in its entirety by reference to, the form of Lock-UpAgreement, a copy of which is filed with this Current Report as Exhibit Dto Exhibit 2.1, and the terms of which are incorporated into this Current Report by reference.

| Item 7.01 | Regulation FD Disclosure. |

On September 29, 2025, GigCapital7 and the Company issued a joint press release announcing the execution of the Business Combination Agreement (the “ Press Release”). A copy of the Press Release is attached to this Current Report as Exhibit 99.1and incorporated into this Current Report by reference. The information in this Item 7.01 (including Exhibit 99.1) is being furnished pursuant to Item 7.01 and will not be deemed to be filed for purposes of Section 18 of the Securities Act of 1934, as amended (the “ Exchange Act”), or otherwise subject to the liabilities of that section, nor will it be deemed incorporated by reference in any filing of GigCapital7 under the Securities Act, or the Exchange Act, regardless of any general incorporation language in such filings. Additional Information and Where to Find It GigCapital7 and the Company intend to file the Registration Statement with the SEC, which will include preliminary and definitive proxy statements to be distributed to GigCapital7’s shareholders in connection with GigCapital7’s solicitation of proxies for the shareholder vote in connection with the Transactions, the prospectus relating to the offer of securities to be issued in connection with the Merger, and other matters to be described in the Registration Statement. After the Registration Statement has been filed and declared effective by the SEC, GigCapital7 will mail a definitive proxy statement/prospectus/consent solicitation statement and other relevant documents (the “ GigCapital7 Shareholder Materials”) to its shareholders as of the record date established for voting on the proposed Business Combination. BEFORE MAKING ANY VOTING OR INVESTMENT DECISION, GIGCAPITAL7’S SHAREHOLDERS AND OTHER INTERESTED PARTIES ARE URGED TO READ, WHEN AVAILABLE, THE PRELIMINARY PROXY STATEMENT/REGISTRATION STATEMENT, AND AMENDMENTS THERETO, AND THE DEFINITIVE PROXY STATEMENT/REGISTRATION STATEMENT AND ALL OTHER RELEV