MasTec, Inc.

MasTec, Inc.

MTZยทNYSE

$369.66

+0.92%
IndustrialsEngineering & Construction

MasTec, Inc., an infrastructure construction company, provides engineering, building, installation, maintenance, and upgrade services for communications, energy, utility, and other infrastructure primarily in the United States and Canada. It operates through Communications, Clean Energy and Infrastructure, Oil and Gas, Power Delivery, and Other segments. The company builds underground and overhead distribution systems, including trenches, conduits, cell towers, cable, and power lines, which provide wireless and wireline/fiber communications; clean energy infrastructure comprising renewable energy; natural gas, product transport; electrical and gas transmission, and distribution systems; heavy industrial plants; compressor and pump stations, and treatment plants; water and sewer infrastructure, including water pipelines; and other civil construction infrastructure. It also installs electrical and other gas distribution and transmission systems, power generation facilities, buried and aerial fiber optic and other cables, as well as home automation and energy management solutions. In addition, the company offers maintenance and upgrade support services comprising maintenance of customers' distribution facilities, networks, and infrastructure, including communications, power generation, pipeline, electrical distribution and transmission, and heavy civil infrastructure; service restoration for natural disasters and accidents; and routine replacements and upgrades to overhauls. Its customers include public and private energy providers, pipeline operators, wireless and wireline/fiber service providers, broadband operators, install-to-the-home service providers, and government entities. MasTec, Inc. was founded in 1929 and is headquartered in Coral Gables, Florida.

At a Glance

Live Snapshot
Market Cap$29.21B
EPS5.1200
P/E Ratio72.20
Earnings Date07/30/2026

SEC Filings

MTZ - Filing history and reports

Filing TypeFiling DatePeriod EndingFiscal YearActions
8-K

8-K 2026

N/A

May 22, 2026
May 21, 2026
2026
8-K

8-K 2026

N/A

April 30, 2026
April 30, 2026
2026
10-Q

10-Q 2026 Q1

Q1

April 30, 2026
March 31, 2026
2026
DEF 14A

DEF 14A 2026

N/A

April 09, 2026
May 21, 2026
2026
10-K

10-K 2025 FY

FY

February 26, 2026
December 31, 2025
2025
8-K

8-K 2026

N/A

February 26, 2026
February 26, 2026
2026
8-K

8-K 2025

N/A

October 30, 2025
October 30, 2025
2025
10-Q

10-Q 2025 Q3

Q3

October 30, 2025
September 30, 2025
2025
8-K

8-K 2025

N/A

August 27, 2025
August 22, 2025
2025
10-Q

10-Q 2025 Q2

Q2

July 31, 2025
June 30, 2025
2025
Showing 1 to 10 of 477 filings

Understanding SEC Filings

Essential regulatory documents for investors

SEC filings are mandatory documents that publicly traded companies must submit to the Securities and Exchange Commission. These reports provide critical insights into a company's financial health, operations, risks, and strategic direction. For investors conducting due diligence, these filings are the most authoritative source of company information.

10-K

Annual Report

Comprehensive annual financial report filed within 60-90 days of fiscal year-end. Includes audited financial statements, management discussion & analysis (MD&A), risk factors, and detailed business operations. The most thorough financial disclosure of the year.

Filed annually
10-Q

Quarterly Report

Unaudited quarterly financial report filed within 40-45 days after each of the first three fiscal quarters. Provides updates on financial position, results of operations, and significant events. Essential for tracking quarterly performance trends.

Filed 3 times per year
8-K

Current Report

Event-driven filing for material events that shareholders should know about, filed within 4 business days. Includes acquisitions, executive changes, bankruptcy, earnings releases, and other significant developments. Critical for staying informed about breaking news.

Filed as events occur
DEF 14A

Proxy Statement

Definitive proxy statement sent to shareholders before annual meetings. Contains executive compensation details, board member information, voting matters, and corporate governance policies. Key for understanding management incentives and board composition.

Filed before shareholder meetings
S-1

Registration Statement

Initial registration for securities offerings, including IPOs. Provides detailed company history, business model, financial statements, risk factors, and use of proceeds. Essential for evaluating new investment opportunities and understanding company fundamentals.

Filed for new offerings
20-F

Foreign Annual Report

Annual report for foreign private issuers, equivalent to Form 10-K for non-U.S. companies. Filed within 4-6 months of fiscal year-end. Contains audited financials, business description, and regulatory disclosures adapted for international companies.

Foreign companies only

Why SEC Filings Matter

  • Regulatory Accuracy: Filings are subject to SEC review and legal penalties for misstatements, ensuring high data quality
  • Management Insights: MD&A sections reveal management's perspective on trends, challenges, and future outlook
  • Risk Assessment: Detailed risk factor disclosures help investors understand potential threats to business operations
  • Competitive Analysis: Business descriptions and segment data enable comparison with industry peers
  • Historical Context: Years of filings provide trend analysis and context for current performance