Matt Prusak
About Matt Prusak
Matt Prusak, 32, is President and Interim Chief Financial Officer of American Bitcoin Corp. (formerly Gryphon Digital Mining) following the September 3, 2025 closing of the ABTC–Gryphon merger; he served as CEO of “Historical ABTC” from March 2025 until the merger. Prior roles include CEO of Ionic (Jan–Aug 2024), Chief Commercial Officer of US Bitcoin Corp (USBTC) (Jun 2021–Jan 2024), and Chief Business Officer of Curative (Mar 2020–Feb 2021). He holds a BA from USC, a Master of Management Science from Tsinghua University, and an MBA from Stanford GSB. He has executed SOX certifications and signed multiple SEC filings as President and Interim CFO. The combined company is a “controlled company” under Nasdaq rules, with Hut 8’s affiliate holding ~80% of voting power via Class B shares, which shapes compensation governance and oversight .
Past Roles
| Organization | Role | Years | Strategic Impact |
|---|---|---|---|
| American Bitcoin Corp. (Historical ABTC) | Chief Executive Officer | Mar 2025–Sep 3, 2025 | Led ABTC through merger; appointed President & Interim CFO post-closing . |
| Ionic | Chief Executive Officer | Jan 2024–Aug 2024 | Transition role prior to ABTC leadership . |
| US Bitcoin Corp (USBTC) | Chief Commercial Officer | Jun 2021–Jan 2024 | Commercial leadership; held 475,000 USBTC options later adjusted and fully vested at business combination . |
| Curative | Chief Business Officer | Mar 2020–Feb 2021 | Business operations leadership . |
External Roles
| Organization | Role | Years | Notes |
|---|---|---|---|
| — | — | — | No current public-company board roles disclosed in appointment and merger 8-K . |
Fixed Compensation
- No public disclosure of Matt Prusak’s base salary, target bonus, or annual equity grant terms in: ABTC/Gryphon merger 8-K (Sep 3, 2025), ABTC Q3 2025 10-Q, or Gryphon’s April 21, 2025 special meeting DEF 14A .
Performance Compensation
- No public disclosure of Matt Prusak’s performance-based metrics (e.g., revenue growth, EBITDA, TSR) tied to incentive pay, nor PSU/RSU frameworks at ABTC/Gryphon in reviewed filings (Sep 3, 2025 8-K; Q3 2025 10-Q; Apr 21, 2025 DEF 14A) .
Equity Ownership & Alignment
| Item | Company | Detail | Terms | Notes |
|---|---|---|---|---|
| Stock options (pre-Hut combination) | USBTC → New Hut | 475,000 options at $0.26 | Adjusted into New Hut options; unvested options for Matthew Prusak fully vested upon consummation of business combination | Change-in-control accelerated vesting; indicative of prior award structure at USBTC/Hut 8 . |
| ABTC/Gryphon beneficial ownership | GRYP | Beneficial ownership table (as of Mar 31, 2025) lists named directors/officers; does not list Prusak | Table centers on then-Gryphon officers/directors prior to merger | Provides context; Prusak’s ABTC/Gryphon holdings not disclosed in DEF 14A . |
| Voting control structure | ABTC (post-merger) | Class B common: 10,000 votes/share | ABH (Hut 8 affiliate) holds ~585.8M Class B (~80% of voting power) | Governance implications for compensation oversight . |
- No Form 4 insider transaction disclosures for Prusak found in the reviewed filings set; ownership and any pledging/hedging not disclosed there .
Employment Terms
- Appointment and tenure: Officers (including Prusak) serve at the discretion of the Board until successors are elected/qualified or earlier termination; Combined Company relies on Nasdaq “controlled company” exemptions for compensation and nominations structures .
- Indemnification: ABTC entered into indemnification agreements with each director/officer on Sep 3, 2025, providing indemnification and mandatory advancement (e.g., expense advances within 10 days upon request, subject to undertaking), independent legal counsel selection upon change-in-control, and exclusive Delaware Chancery forum provisions .
- Charter-level protections: The Second Amended & Restated Charter embeds robust director/officer indemnification and advancement, excludes DGCL §203 applicability, establishes exclusive forum, and includes corporate opportunity renunciation favoring Class B holders (relevant to governance/transactions) .
- Severance/change-of-control: No severance or change-of-control economics disclosed for Prusak in reviewed ABTC/Gryphon filings. Separation agreements are referenced only for other outgoing Gryphon executives at closing (Gutterman, Salzman, Gallie) .
Investment Implications
- Compensation transparency risk: Lack of disclosed salary/bonus/PSU/RSU terms and performance metrics impedes assessment of pay-for-performance alignment; investors should monitor future proxy/10-K for executive compensation tables and incentive designs .
- Governance concentration: Hut 8’s affiliate holds ~80% voting power via Class B, and ABTC relies on controlled-company exemptions—implying compensation decisions may be less subject to independent committee oversight; this can affect incentive rigor and retention design .
- Retention risk: Officer service “at the discretion of the Board” with no disclosed employment term/severance for Prusak suggests at-will dynamics; indemnification is strong, but absence of disclosed retention mechanisms (e.g., multi-year PSU/RSU schedules) limits visibility into selling pressure/lock-in effects .
- Prior equity award behavior: USBTC/Hut 8 equity awards for Prusak fully vested upon business combination, illustrating use of change-in-control acceleration; while not determinative for ABTC going forward, investors should watch for any accelerated vesting provisions in new awards that could weaken retention alignment or create event-driven liquidity incentives .