Company: SBXD
Filing Date: 2025-09-04
Form Type: 425
Source: 0001104659-25-087514
Chunk: 3

Company: SilverBox Corp IV
Filing Date: 2025-09-04
Form: 425
Chunk 3
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 WILL BE FILED WITH THE SEC IN CONNECTION WITH SILVERBOX’S SOLICITATION OF PROXIES FOR THE EXTRAORDINARY GENERAL MEETING OF ITS SHAREHOLDERS TO BE HELD TO APPROVE THE TRANSACTIONS AND OTHER MATTERS AS DESCRIBED IN THE PROXY STATEMENT/PROSPECTUS BECAUSE THESE DOCUMENTS WILL CONTAIN IMPORTANT INFORMATION ABOUT SILVERBOX, PARATAXIS, PUBCO AND THE TRANSACTIONS. Investors and security holders will also be able to obtain copies of the Registration Statement and the Proxy Statement/Prospectus and all other documents filed or that will be filed with the SEC by SilverBox, Parataxis and Pubco, without charge, once available, on the SEC’s website at www.sec.gov or by directing a request to: SilverBox Corp IV, 8701 Bee Cave Road, East Building, Suite 310, Austin, TX 78746, or upon written request to Pubco, via email at info@sbcap.com.

NEITHER THE SEC NOR ANY STATE SECURITIES REGULATORY AGENCY HAS APPROVED OR DISAPPROVED THE TRANSACTIONS DESCRIBED HEREIN, PASSED UPON THE MERITS OR FAIRNESS OF THE TRANSACTIONS OR ANY RELATED TRANSACTIONS OR PASSED UPON THE ADEQUACY OR ACCURACY OF THE DISCLOSURE IN THIS COMMUNICATION. ANY REPRESENTATION TO THE CONTRARY CONSTITUTES A CRIMINAL OFFENSE.

Participants in the Solicitation

SilverBox, Parataxis, Pubco and their respective directors, executive officers, certain of their shareholders and other members of management and employees may be deemed under SEC rules to be participants in the solicitation of proxies from SilverBox’s shareholders in connection with the Transactions. You can find information about SilverBox’s directors and executive officers and their interest in SilverBox can be found in SilverBox’s Annual Report on Form 10-K for the fiscal year ended December 31, 2024 (“SilverBox Annual Report”), which was filed with the SEC on March 13, 2025 and is available free of charge at the SEC’s website at www.sec.gov. Additional information regarding the interests of the persons who may, under SEC rules, be deemed participants in the solicitation of proxies of SilverBox’s shareholders in connection with the Transactions, including the names and interests of Pubco’s directors and executive officers, are set forth in the Registration Statement and Proxy Statement/Prospectus. Investors and