Primoris Services Corporation amended its prior Form 8-K filed on August 31, 2026, to disclose the board committee assignments for newly appointed directors James A. Greer and Oscar K. Brown. The appointments are effective October 1, 2026. On October 30, 2026, the Board assigned Mr. Greer to the Strategy and Risk Committee and Mr. Brown to the Compensation Committee. This filing serves solely to update committee details previously omitted from the original announcement. Primoris Services Corporation provides construction, engineering, and infrastructure services.