MTZ Stock: Insider Activity, Filings & Research
MasTec, Inc. (MTZ) — Drillr’s hub for MTZ insider activity, SEC filings, earnings signals and AI research. Over the trailing 3 months, MTZ insiders filed 0 open-market buys and 2 sales (SEC Form 4).
MTZ insider trading activity (SEC Form 4)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 19, 2026 | Dwyer Robert Jdirector | Tax | 21 | $434.77 |
| May 19, 2026 | Palomarez Javier Albertodirector | Grant | 95 | — |
| May 19, 2026 | Dwyer Robert Jdirector | Grant | 95 | — |
| May 19, 2026 | Csiszar Ernst Ndirector | Grant | 104 | — |
| May 19, 2026 | Parker Ava Ldirector | Tax | 14 | $434.77 |
| May 19, 2026 | Csiszar Ernst Ndirector | Tax | 23 | $434.77 |
| May 19, 2026 | Parker Ava Ldirector | Grant | 121 | — |
| May 19, 2026 | Palomarez Javier Albertodirector | Tax | 21 | $434.77 |
| May 19, 2026 | Campbell C Robertdirector | Grant | 95 | — |
| May 19, 2026 | JOHNSON JULIA Ldirector | Grant | 95 | — |
| May 6, 2026 | Campbell C Robertdirector | Sell | 3,000 | $417.00 |
| Apr 17, 2026 | Love Timothy Michaelofficer: CAO | Grant | 492 | — |
| Mar 27, 2026 | Palomarez Javier Albertodirector | Sell | 950 | $325.43 |
| Mar 20, 2026 | MAS JOSE RAMONdirector, officer: CEO | Grant | 26,397 | — |
| Mar 20, 2026 | MAS JORGEdirector | Grant | 15,838 | — |
Source: MTZ SEC Form 4 filings, latest May 19, 2026. For informational purposes only — not investment advice.
MasTec, Inc. company profile
Overview
MasTec, Inc. (NYSE:MTZ) is a Florida-based infrastructure construction company founded in 1929 that has evolved from its origins into one of North America's largest specialty contractors. The company provides engineering, construction, installation, maintenance, and upgrade services across critical infrastructure sectors including telecommunications, energy, utilities, and civil construction. Operating primarily in the United States and Canada, MasTec has transformed significantly over recent decades through strategic acquisitions and market diversification, positioning itself as a key player in America's infrastructure modernization efforts.
Business
MasTec operates as a specialty infrastructure contractor across four primary business segments, each serving distinct but interconnected markets: Communications segment (approximately 28% of revenue) builds and maintains the backbone of America's digital infrastructure. This includes constructing cell towers for wireless networks, installing fiber optic cables for high-speed internet, laying underground conduits, and building the physical infrastructure that enables telecommunications services. The segment serves wireless carriers, internet service providers, and broadband operators who need physical infrastructure to deliver connectivity services to consumers and businesses. Clean Energy and Infrastructure segment (approximately 33% of revenue) focuses on renewable energy projects and civil construction. This includes building solar farms, wind energy installations, electrical substations, water and sewer systems, and other civil infrastructure projects. The segment capitalizes on the growing transition to renewable energy sources and aging infrastructure replacement needs across municipalities and utilities. Power Delivery segment (approximately 22% of revenue) constructs and maintains electrical transmission and distribution systems that carry electricity from power plants to end users. This includes building high-voltage transmission lines, electrical substations, and distribution networks. The segment serves electric utilities and power companies who need to modernize aging grid infrastructure and accommodate growing electricity demand. Pipeline Infrastructure segment (approximately 17% of revenue) builds natural gas pipelines, compressor stations, and related infrastructure for energy transportation. This segment serves pipeline operators and energy companies, though it has faced headwinds due to environmental concerns and regulatory challenges affecting new pipeline construction projects.
Revenue model
MasTec generates revenue primarily through project-based construction contracts where customers pay for completed infrastructure work. The company operates on multiple contract structures including fixed-price contracts, cost-plus arrangements, and time-and-materials agreements. Revenue recognition occurs as work progresses on projects, creating a steady flow of income from the company's substantial backlog of contracted work. The company's customers include major telecommunications companies (AT&T, Verizon), electric utilities, renewable energy developers, pipeline operators, and government entities. These customers typically award multi-year contracts or framework agreements that provide revenue visibility and reduce customer concentration risk. Several factors influence MasTec's profitability margins. Positive margin drivers include infrastructure modernization trends driven by 5G deployment, renewable energy transition, grid modernization needs, and federal infrastructure spending programs like the BEAD (Broadband Equity Access and Deployment) initiative. The company's scale advantages and specialized expertise also support pricing power. Negative margin pressures come from labor shortages in skilled trades, material cost inflation, project execution risks on complex installations, and competitive bidding processes that can compress margins. Weather conditions and permitting delays can also impact project timelines and profitability.
Competitive moat
MasTec's competitive advantages stem from its scale, specialization, and customer relationships rather than proprietary technology or regulatory barriers. The company has built substantial competitive moats through its nationwide footprint, specialized equipment fleet, and skilled workforce that competitors cannot easily replicate. Long-term framework agreements with major customers like AT&T provide revenue stability and barriers to competitor entry. However, the company's moat is moderately strong but not insurmountable. The construction industry remains fragmented with numerous regional competitors, and customers can switch contractors when contracts expire. MasTec's specialized expertise in complex infrastructure projects and established customer relationships provide some protection, but the company must continuously invest in equipment, workforce development, and operational efficiency to maintain its competitive position. The cyclical nature of infrastructure spending and project-based revenue model also create inherent business volatility that limits the durability of competitive advantages.
Risks & safety
MasTec exhibits moderate financial stability with manageable debt levels but some cash flow volatility typical of project-based businesses. • Liquidity position: $346 million cash, current ratio of 1.22x, indicating adequate short-term liquidity • Debt burden: Debt-to-equity ratio of 0.91x, manageable but elevated leverage requiring careful monitoring • Cash generation: Strong operating cash flow of $1.1 billion in 2024, though free cash flow can be volatile due to working capital swings • Valuation metrics: EV/EBITDA of 19.7x appears elevated, P/E ratio varies significantly due to earnings volatility • Backlog coverage: $13.9 billion 18-month backlog provides substantial revenue visibility and downside protection
Recent development
Over the past few years, MasTec has executed a strategic transformation to diversify beyond oil and gas pipeline work and capitalize on infrastructure modernization trends. The company significantly expanded its communications capabilities through acquisitions including INTREN and Henkels & McCoy, positioning it for 5G deployment and fiber network buildouts. In clean energy, MasTec has built substantial renewable energy construction capabilities, though the segment has faced margin pressures from supply chain disruptions and project execution challenges. The company secured a major 700-mile high-voltage transmission project expected to generate $300-500 million annually from 2025-2028, demonstrating its expanding power delivery capabilities. Recent quarters show strong momentum in the communications segment driven by AI and data center infrastructure demand, with the company approved by four major hyperscale cloud providers. The pipeline segment, while currently depressed, is showing signs of recovery with first backlog growth in five quarters and management expecting revenue growth in 2026. MasTec has also emphasized margin improvement initiatives across segments and strengthened its balance sheet through strong cash flow generation.
MTZ company profile · for informational purposes only — not investment advice.
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