This page follows insider dealings at Mastec Inc as filed with SEC (Form 4), a company from the Construction sector based in Coral Gables, United States. The group dates from 1994. From 18 October 2025 to 18 October 2026, the disclosure feed for Mastec Inc logged 39 filings by 15 insiders.
The flow runs one way only: 4 sales worth €4.4M, from 3 insiders, and no purchase. The largest single trade was a sale of €2.1M by Csiszar Ernst N, published on 5 June 2026, equal to 0.011% of the market capitalisation.
For context, the typical company on the same exchange (median of 5,458 companies) published 22 filings over the same period, against 39 filings here. Looking back to 2021, when coverage begins, insiders filed no purchases and 34 sales. In its latest annual report filed with the SEC (10-K, fiscal year ended 31 December 2025), the company reported revenue of 14.30 bn USD and net income of 399.0 m USD.
Typically, a trade is published a median of 4 days after it takes place. For comparison, the SEC allows two business days to file a Form 4. Keep in mind that insiders sell for many reasons unrelated to the outlook, from tax bills to estate planning.
Elsewhere in the same sector, our signals recently picked up insider purchases at Lennar Corp /NEW/. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
Analysts rate Mastec Inc Strong Buy (bullish), based on 20 analysts. Average price target: US$386.10.
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Transparent value + quality ranking, distinct from the insider signal.
FY ended December 2025 · cache
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MasTec Inc. (NYSE: MTZ) is a U.S.-listed infrastructure engineering and construction company headquartered in Coral Gables, Florida, United States. Founded in 1929, the company has evolved into a large-scale specialist contractor focused on labor-intensive, mission-critical infrastructure work across North America, particularly the United States and Canada. For investors, MasTec stands out as an execution platform rather than a pure-play commodity contractor: its economics are tied to the buildout, maintenance and upgrade cycles of telecom, power, clean-energy and energy-transport infrastructure. ([stockanalysis.com](https://stockanalysis.com/stocks/mtz/company/?utm_source=openai))
MasTec reports five operating segments: Communications, Clean Energy and Infrastructure, Power Delivery, Pipeline Infrastructure, and Other. This portfolio captures the company’s core service lines, including engineering, construction, maintenance and customer-fulfillment activities for communications and digital infrastructure; work related to clean energy and broader infrastructure projects; electrical transmission and distribution services; and pipeline-related construction and maintenance. The company notes that its businesses derive revenue primarily from engineering, installation and maintenance of infrastructure, with operations concentrated mainly in North America. ([investors.mastec.com](https://investors.mastec.com/static-files/dcc210e6-289f-4f33-998e-b98df5af3f7d))
From a competitive standpoint, MasTec is positioned as a scaled specialty contractor with a broad addressable market and a reputation for handling complex, high-value projects for large utility, telecom and energy customers. Scale matters in this industry because labor availability, safety performance, scheduling discipline, permitting, equipment logistics and project management all influence margins and customer retention. MasTec’s disclosed 18-month backlog of $20.328 billion as of March 31, 2026 underscores the depth of demand and the company’s ability to convert long-cycle infrastructure spending into visibility for future revenue. ([investors.mastec.com](https://investors.mastec.com/static-files/dcc210e6-289f-4f33-998e-b98df5af3f7d))
Recent corporate developments reinforce this constructive backdrop. In February 2026, MasTec reported record fourth-quarter 2025 revenue and a record 18-month backlog of $19.0 billion, while also providing initial 2026 guidance. In May 2026, management hosted an Investor Day in New York City, highlighting continued strategic communication with the market. The company’s latest filings also indicate that it remains active in major North American infrastructure programs, with foreign revenue still primarily tied to Canadian operations. For equity investors in France, Belgium and Switzerland, the key takeaway is that MasTec offers leveraged exposure to secular infrastructure spending in the United States, while remaining sensitive to project execution, customer concentration and the timing of large awards. ([investors.mastec.com](https://investors.mastec.com/news-releases))
Purchases our model currently ranks for the recommendations list.
All recommendationsHeadquarters: Coral Gables, United States · Founded: 1994 · Wikipedia article
Source: Wikidata (CC0).
| Fiscal year end | Revenue | Net income | Diluted EPS | Filing |
|---|---|---|---|---|
| Dec 2025 | 14.30 bn USD | 399.0 m USD | 5.07 USD | 10-K |
| Dec 2024 | 12.30 bn USD | 162.8 m USD | 2.06 USD | 10-K |
| Dec 2023 | 12.00 bn USD | -49.9 m USD | -0.64 USD | 10-K |
| Dec 2022 | 9.78 bn USD | 33.4 m USD | 0.42 USD | 10-K |
| Dec 2021 | 7.95 bn USD | 328.8 m USD | 4.45 USD | 10-K |
Amounts in USD, as filed (forms 10-K, 20-F or 40-F). Source: SEC EDGAR.