Monolithic Power Systems, Inc. filed a Form 8-K on October 29, 2026, disclosing the appointment of Tony Balow as Chief Financial Officer and Robert Dean as Chief Accounting Officer, both effective October 27, 2026, alongside the release of financial results for the quarter ended September 30, 2026.

Key Highlights

  • New CFO appointed: Tony Balow, age 56, was named Vice President, Chief Financial Officer, effective October 27, 2026.
  • Balow's prior role: He served as the company's Vice President of Finance from September 2023 to October 2026, and previously spent 23 years at Intel.
  • New CAO appointed: Robert Dean, age 61, was named Vice President, Chief Accounting Officer, effective October 27, 2026.
  • Dean's prior role: He served as Interim Chief Financial Officer from February 2026 to October 2026, and as Corporate Controller from June 2016 to February 2026.
  • Quarterly results disclosed: A press release covering financial results for the quarter ended September 30, 2026, was furnished as Exhibit 99.1.
  • Indemnification agreements: The company entered into its standard form of indemnification agreement with both Mr. Balow and Mr. Dean.

Monolithic Power Systems Names New CFO and CAO, Effective Immediately

According to the Form 8-K filed with the SEC on October 29, 2026, Monolithic Power Systems (NASDAQ:MPWR) disclosed that its Board of Directors appointed Tony Balow, age 56, as Vice President, Chief Financial Officer, effective October 27, 2026. The filing states that Mr. Balow had been serving as the company's Vice President of Finance from September 2023 to October 2026. Before joining Monolithic Power Systems, the filing notes he "spent 23 years at Intel, a global semiconductor company, and held a number of senior positions." Mr. Balow holds a Bachelor of Science and a Master of Science in Aerospace, Aeronautical and Astronautical Engineering from the University of Illinois Urbana-Champaign, and a Master of Business Administration from the University of Arizona, according to the filing.

In the same action, the Board appointed Robert Dean, age 61, as Vice President, Chief Accounting Officer, also effective October 27, 2026. According to the filing, Mr. Dean had served as the company's Interim Chief Financial Officer from February 2026 to October 2026, and as Corporate Controller from June 2016 to February 2026. The filing states that prior to joining the company, Mr. Dean "held various senior finance and accounting roles for other publicly traded companies, including Netflix, Varian and Applied Materials." He holds a Bachelor of Science in Accounting from San Jose State University and a Master of Business Administration from Santa Clara University.

The filing states that there are no arrangements or understandings between either Mr. Balow or Mr. Dean and any other person in connection with their respective appointments, and that neither has any family relationship with any of the company's directors or executive officers. The 8-K also notes that the company furnished a press release as Exhibit 99.1 covering financial results for the quarter ended September 30, 2026, which the filing specifies "shall not be deemed 'filed' for purposes of Section 18 of the Securities Exchange Act of 1934."

What Was Disclosed

Monolithic Power Systems disclosed the Board's appointment of Tony Balow as CFO and Robert Dean as CAO, both effective October 27, 2026, along with the furnishing of quarterly financial results for the period ended September 30, 2026.