Company: ABTC
Filing Date: 2025-08-29
Form Type: 425
Source: 0001213900-25-082688
Chunk: 2

Company: American Bitcoin Corp.
Filing Date: 2025-08-29
Form: 425
Chunk 2
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 Exchange Commission (the “SEC”).

Additional Information About the Proposed Transaction and Where to Find It

This communication relates to a proposed Transaction between American Bitcoin
and Gryphon. In connection with the proposed Transaction, Gryphon has filed with the SEC a Registration Statement on Form S-4 (the “Registration
Statement”) to register the Class A common stock to be issued by Gryphon in connection with the proposed Transaction. The Registration
Statement includes a proxy statement of Gryphon and a prospectus of Gryphon (the “Proxy Statement/Prospectus”). The Registration
Statement was declared effective by the SEC on July 31, 2025. Gryphon filed the definitive Proxy Statement/Prospectus with the SEC on
July 31, 2025, and the Proxy Statement/Prospectus was first mailed to Gryphon stockholders on or about August 1, 2025. Each of American
Bitcoin and Gryphon may file with the SEC other relevant documents concerning the proposed Transaction. This communication is not a substitute
for the Registration Statement, the Proxy Statement/Prospectus or any other relevant documents that American Bitcoin or Gryphon has filed
or will file with the SEC. BEFORE MAKING ANY VOTING OR INVESTMENT DECISION, INVESTORS AND STOCKHOLDERS OF GRYPHON ARE URGED TO CAREFULLY
AND ENTIRELY READ THE REGISTRATION STATEMENT AND PROXY STATEMENT/PROSPECTUS REGARDING THE PROPOSED TRANSACTION AND ANY OTHER RELEVANT
DOCUMENTS, AS WELL AS ANY AMENDMENTS OR SUPPLEMENTS TO THOSE DOCUMENTS, IF AND WHEN THEY BECOME AVAILABLE, BECAUSE THEY WILL CONTAIN IMPORTANT
INFORMATION ABOUT AMERICAN BITCOIN, GRYPHON, THE PROPOSED TRANSACTION, AND RELATED MATTERS.

Participants in the Solicitation

American Bitcoin, Gryphon and certain of their respective directors, executive
officers, and employees may be deemed to be participants in the solicitation of proxies in connection with the proposed Transaction. Information
about the directors and executive officers of Gryphon, their ownership of Gryphon common stock, and Gryphon’s transactions with
related persons is set forth in its Annual Report on Form 10-K for the year ended December 31, 2024, as filed with the SEC on March 31,
2025, the definitive proxy statement for Gryphon’s 2024 annual meeting of stockholders, as filed with the SEC on August 7,