American Bitcoin Corp. and Gryphon Digital Mining jointly announced on July 1, 2025 that they have filed an amended Form S-4 registration statement with the Securities Exchange Commission (SEC) to advance the previously announced share-for-share merger transaction. Under the agreement, Gryphon will acquire American Bitcoin through a share swap, and the combined company will operate under the "American Bitcoin" brand, led by American Bitcoin's management and board of directors. The combined company is expected to be listed on the NASDAQ under the ticker symbol "ABTC", with the transaction targeted to close as early as the third quarter of 2025. American Bitcoin is a holding subsidiary of Hut 8, focused on industrial-scale bitcoin mining and strategic bitcoin reserve development.