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AI brief of an SEC Form 8-K · American Bitcoin Corp. (ABTC)

American Bitcoin names Paul Sacks interim CFO as Matthew Prusak steps down August 4

Neutral Impact 4 of 5 leadership Written later

American Bitcoin Corp. appointed Head of Derivatives Paul Sacks as Interim Chief Financial Officer, effective August 4, 2026, while President and Interim CFO Matthew Prusak steps down on the same date to pursue a position in Austin, Texas. The filing says Prusak's departure was voluntary and not due to any disagreement over financial statements, operations, policies, or practices, and Sacks's compensation is unchanged.

Key points

  • Paul Sacks, 53, named Interim CFO effective August 4, 2026, while keeping his role as Head of Derivatives
  • Matthew Prusak steps down as President and Interim CFO effective August 4, 2026; notice given July 30, 2026
  • Prusak's resignation was voluntary and not due to any disagreement with the company
  • Sacks's compensation and benefits are unchanged; he entered an indemnification agreement

The filing

CompanyAmerican Bitcoin Corp. (ABTC)
Form8-K, current report
Filed with the SECAug 3, 2026, 9:00 AM ET
Accession number0001193125-26-329645

Items reported: 5.02 Director / Officer Change

Read the filing on SEC.gov ↗

Written by AI on Nov 9, 2026, 11:43 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on August 03, 2026.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.