Boxabl Inc. filed a Form 8-K on September 15, 2026, reporting the departure of its previous Chief Financial Officer effective September 11, 2026, the appointment of Larry King as CFO effective September 14, 2026, and the upcoming appointment of Heather Clayton as Chief Accounting Officer beginning September 28, 2026.

Key Highlights

  • CFO departure: Martin Costas concluded employment as Chief Financial Officer effective September 11, 2026, with no disagreements cited regarding company operations, policies, or practices.
  • New CFO appointed: Larry King, 65, was appointed Chief Financial Officer, principal financial officer, and principal accounting officer effective September 14, 2026.
  • King's compensation: Larry King is entitled to an annual salary of $300,000 and participation in the 2026 Omnibus Plan, according to the filing.
  • New CAO appointed: Heather Clayton will begin serving as Chief Accounting Officer on September 28, 2026, with an annual salary of $250,000 and participation in the 2026 Omnibus Plan.
  • King's background: The filing states King is a Certified Public Accountant with over 35 years of experience and more than 30 years of SEC reporting experience across gaming, manufacturing, hospitality, and healthcare industries.
  • Clayton's background: Prior to joining Boxabl, Clayton spent six years with the Vegas Golden Knights, progressing from Controller to Chief Financial Officer, and most recently served as CFO of ASTOUND Group.

Boxabl's Finance Leadership Overhaul: Departures, Appointments, and Compensation Details

According to the Form 8-K filed by Boxabl Inc. (NASDAQ:BXBL) with the SEC, Martin Costas's employment as CFO concluded effective September 11, 2026. The filing explicitly states that the conclusion of Mr. Costas's employment "was not because of any disagreements with the Company on any matter relating to the Company's operations, policies, or practices." Three days later, the Board of Directors appointed Larry King to fill the CFO role, also designating him as both principal financial officer and principal accounting officer.

The filing describes King's career as spanning roles including CFO of Chukchansi Gold Resort and Casino and Riviera Holdings Corporation, and Corporate Vice President of Accounting for Tropicana Entertainment, where he is noted to have "built the company's SEC reporting and SOX compliance functions and led accounting integration for the $960 million acquisition of Aztar Corporation." From 2021 to 2023, he led a team of over 40 consultants at Eide Bailly LLP's Outsourced and Managed Services group. Most recently, since 2024, he has worked as an independent consultant serving as fractional CFO and Interim General Manager. King holds a BS in Accounting from San Jose State University.

Heather Clayton, appointed as Chief Accounting Officer beginning September 28, 2026, brings experience from the Vegas Golden Knights, where the filing states she helped scale the organization's accounting and finance function "from two entities to thirteen" and oversaw financial operations for all Knights-related venues and five partnering foundations. She holds a bachelor's degree in Managerial Economics from the University of California, Davis, and a master's degree in Accounting from the University of Nevada, Las Vegas. The filing confirms no family relationships exist between either new officer and any directors or executive officers of the company.

What Was Disclosed

Boxabl Inc. reported the departure of its prior CFO, the appointment of Larry King as CFO at $300,000 annually, and the appointment of Heather Clayton as Chief Accounting Officer at $250,000 annually, both eligible for the 2026 Omnibus Plan.