IESC IES HOLDINGS INC Management Changes 8-K Filing 2025 - Appointments On May 19, 2025, IES Holdings, Inc. announced the appointment of Matthew J. Simmes as the new President and CEO starting July 1, 2025, succeeding Jeffrey L. Gendell, who will become Executive Chairman. Simmes has been with the company as COO since December 2023.Get access to all SEC 8-K filings of the IES HOLDINGS INC