Mastec INC (MTZ) SEC Filings — 2026 2 SEC filings for Mastec INC (MTZ) in 2026. FilingsMasTec Files Annual Report for FY 2025 — ARS · Apr 9, 2026 Mastec INC DEFA14A Filing — DEFA14A · Apr 9, 2026 ExploreAll MTZ Filings · MTZ 2025 · All 2026 Filings