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American Bitcoin Names Paul Sacks Interim CFO Amid Leadership Change

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American Bitcoin has announced that Matthew Prusak will be stepping down as President and Interim CFO effective August 4, 2026. He is leaving to pursue a position in Austin, Texas.

The company has named Paul Sacks, the current Head of Derivatives, as Interim CFO starting August 4. His compensation and benefits will remain unchanged.

Sacks joined American Bitcoin after serving as co-head of digital exotics at cryptocurrency trading-technology provider BlockFills from November 2022 through March 2026. He previously co-founded and managed Digital Gamma, a digital-asset trading and financial-technology business.

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