MATRIX SERVICE CO 8-K

What Happened

• Matrix Service Company (MTRX) filed an 8-K reporting that Douglas J. Montalbano notified the company on December 30, 2025 that he will resign as President of Matrix North American Construction, Inc. (“Matrix NAC”), a union operating subsidiary, effective January 16, 2026. The filing states the resignation is not related to any dispute or disagreement with Matrix NAC, its clients, or the Company. An internal employee/officer will serve as interim President and will report to Shawn Payne, President, Engineering & Construction of Matrix Service.

Key Details

• Filing date: January 6, 2026 (Form 8-K, Item 5.02).
• Resignation notice given: December 30, 2025; effective date: January 16, 2026.
• Role: President of Matrix North American Construction, Inc. (union operating subsidiary).
• Interim replacement: a current Matrix NAC employee/officer (will report to Shawn Payne).

Why It Matters

• Executive changes at a major operating subsidiary can affect ongoing operations, leadership continuity and execution of construction contracts; the company has named an interim internal leader and clarified the departure is not due to any dispute. Investors should note the timing and internal reporting arrangement but the filing does not indicate wider management turnover or financial impact. The 8-K was signed by Kevin S. Cavanah, Vice President and CFO.