MTZ ▼ -0.5% - MasTec, Inc. $MTZ - MasTec Announces the Appointment of Ati Modak as Vice President of Investor Relations MasTec announced the appointment of Ati Modak as Vice President of Investor Relations, a leadership change that had no material impact on the stock, which declined 0.5% today. The appointment represents an internal organizational move in the company's communications function. 10-SEP-2026 07:22 AM ET