Mastec Inc SEC filings MTZ
Mastec Inc has 1,000 filings in SEC EDGAR's recent list, going back to Sep 24, 2012. Its latest annual report, Form ARS, was filed on Apr 9, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 29, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Nov 4, 2026 | Nov 2, 2026 |
| 144 | Notice of proposed sale | Nov 2, 2026 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 29, 2026 | Oct 29, 2026 |
| 10-Q | Quarterly report | Oct 29, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Aug 18, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 18, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 18, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 18, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 18, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 18, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 18, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 18, 2026 | Aug 14, 2026 |
| 8-K |
Current report
Material agreement, New debt
|
Aug 17, 2026 | Aug 17, 2026 |
| 4 | Insider transaction | Aug 13, 2026 | Aug 11, 2026 |
| 4 | Insider transaction | Aug 13, 2026 | Aug 11, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 13, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 13, 2026 | — |
| 8-K |
Current report
Material agreement, Other events
|
Aug 10, 2026 | Aug 6, 2026 |
| 424B5 | Prospectus supplement | Aug 10, 2026 | — |
| FWP | Free writing prospectus | Aug 6, 2026 | — |
| 424B5 | Prospectus supplement | Aug 6, 2026 | — |
| 3 | Initial insider ownership | Aug 3, 2026 | Jul 24, 2026 |
| 8-K | Current report | Jul 31, 2026 | Jul 31, 2026 |
| 424B7 | Filing | Jul 31, 2026 | — |
| 8-K |
Current report
Results of operations, Officer or director change, Regulation FD disclosure
|
Jul 30, 2026 | Jul 24, 2026 |
| 10-Q | Quarterly report | Jul 30, 2026 | Jun 30, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 29, 2026 | — |
| D | Filing | Jul 24, 2026 | — |
| 8-K |
Current report
New debt
|
Jul 20, 2026 | Jul 20, 2026 |
| 3 | Initial insider ownership | Jul 10, 2026 | Jul 1, 2026 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Officer or director change
|
Jul 7, 2026 | Jun 30, 2026 |
| 11-K | Employee savings plan report | Jun 26, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jun 5, 2026 | Jun 3, 2026 |
| 144 | Notice of proposed sale | Jun 3, 2026 | — |
| 8-K |
Current report
Shareholder vote results
|
May 22, 2026 | May 21, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 6, 2026 | May 4, 2026 |
| 144 | Notice of proposed sale | May 4, 2026 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 30, 2026 | Apr 30, 2026 |
| 10-Q | Quarterly report | Apr 30, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | Apr 17, 2026 | Mar 17, 2026 |
| ARS | Annual report to shareholders | Apr 9, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 9, 2026 | — |
| DEF 14A | Proxy statement | Apr 9, 2026 | May 21, 2026 |
| 4 | Insider transaction | Mar 27, 2026 | Mar 25, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 144 | Notice of proposed sale | Mar 25, 2026 | — |
| 4 | Insider transaction | Mar 20, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 20, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 20, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 20, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 20, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 12, 2026 | Mar 10, 2026 |
| 4 | Insider transaction | Mar 12, 2026 | Mar 10, 2026 |
| 4 | Insider transaction | Mar 12, 2026 | Mar 10, 2026 |
| 4 | Insider transaction | Mar 12, 2026 | Mar 10, 2026 |
| 4 | Insider transaction | Mar 5, 2026 | Mar 3, 2026 |
| 144 | Notice of proposed sale | Mar 3, 2026 | — |
| 10-K | Annual report | Feb 26, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 26, 2026 | Feb 26, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 13, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 13, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 13, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 13, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 13, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 13, 2026 |
| 4 | Insider transaction | Nov 18, 2025 | Nov 14, 2025 |
| 4 | Insider transaction | Nov 18, 2025 | Nov 14, 2025 |
| 4 | Insider transaction | Nov 18, 2025 | Nov 14, 2025 |
| 4 | Insider transaction | Nov 18, 2025 | Nov 14, 2025 |
| 4 | Insider transaction | Nov 18, 2025 | Nov 14, 2025 |
| 4 | Insider transaction | Nov 18, 2025 | Nov 14, 2025 |
| 4 | Insider transaction | Nov 5, 2025 | Nov 3, 2025 |
| 144 | Notice of proposed sale | Nov 3, 2025 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 30, 2025 | Oct 30, 2025 |
| 10-Q | Quarterly report | Oct 30, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 15, 2025 | Oct 10, 2025 |
| 4 | Insider transaction | Oct 15, 2025 | Oct 10, 2025 |
| D/A | Filing | Oct 8, 2025 | — |
| 4 | Insider transaction | Oct 1, 2025 | Sep 29, 2025 |
| 144 | Notice of proposed sale | Sep 30, 2025 | — |
| 4 | Insider transaction | Sep 22, 2025 | Sep 18, 2025 |
| 144 | Notice of proposed sale | Sep 18, 2025 | — |
| 4 | Insider transaction | Sep 16, 2025 | Sep 11, 2025 |
| 144 | Notice of proposed sale | Sep 11, 2025 | — |
| 8-K | Current report | Aug 27, 2025 | Aug 22, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 22, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 22, 2025 | — |
| 4 | Insider transaction | Aug 22, 2025 | Aug 21, 2025 |
| 4 | Insider transaction | Aug 22, 2025 | Aug 21, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 7, 2025 | Aug 5, 2025 |
| 144 | Notice of proposed sale | Aug 5, 2025 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 31, 2025 | Jul 31, 2025 |
| 10-Q | Quarterly report | Jul 31, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 18, 2025 | Jul 16, 2025 |
| 144 | Notice of proposed sale | Jul 16, 2025 | — |
| 8-K |
Current report
Material agreement, New debt
|
Jun 27, 2025 | Jun 26, 2025 |
| 11-K | Employee savings plan report | Jun 26, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 27, 2025 | May 22, 2025 |
| 144 | Notice of proposed sale | May 23, 2025 | — |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 14, 2025 | May 12, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 2, 2025 | May 1, 2025 |
| 10-Q | Quarterly report | May 1, 2025 | Mar 31, 2025 |
| 8-K | Current report | Apr 22, 2025 | Apr 16, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 17, 2025 | — |
| ARS | Annual report to shareholders | Apr 10, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 10, 2025 | — |
| DEF 14A | Proxy statement | Apr 10, 2025 | May 22, 2025 |
| 4 | Insider transaction | Mar 26, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 26, 2025 | Mar 24, 2025 |
| 4 | Insider transaction | Mar 26, 2025 | Mar 24, 2025 |
| 4 | Insider transaction | Mar 26, 2025 | Mar 24, 2025 |
| 4 | Insider transaction | Mar 26, 2025 | Mar 24, 2025 |
| 144 | Notice of proposed sale | Mar 24, 2025 | — |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| S-3ASR | Automatic shelf registration | Feb 28, 2025 | — |
| 10-K | Annual report | Feb 28, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 28, 2025 | Feb 27, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 14, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 14, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 14, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 14, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 14, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 14, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 5, 2025 | — |
| 4 | Insider transaction | Dec 6, 2024 | Dec 4, 2024 |
| 4 | Insider transaction | Nov 29, 2024 | Nov 26, 2024 |
| 4 | Insider transaction | Nov 29, 2024 | Nov 26, 2024 |
| 144 | Notice of proposed sale | Nov 29, 2024 | — |
| 144 | Notice of proposed sale | Nov 26, 2024 | — |
| 4 | Insider transaction | Nov 19, 2024 | Nov 15, 2024 |
| 4 | Insider transaction | Nov 19, 2024 | Nov 15, 2024 |
| 4 | Insider transaction | Nov 19, 2024 | Nov 15, 2024 |
| 4 | Insider transaction | Nov 19, 2024 | Nov 15, 2024 |
| 4 | Insider transaction | Nov 19, 2024 | Nov 15, 2024 |
| 4 | Insider transaction | Nov 19, 2024 | Nov 15, 2024 |
| 4 | Insider transaction | Nov 13, 2024 | Nov 11, 2024 |
| D/A | Filing | Nov 12, 2024 | — |
| 4 | Insider transaction | Nov 8, 2024 | Nov 6, 2024 |
| 144 | Notice of proposed sale | Nov 6, 2024 | — |
| 4 | Insider transaction | Nov 5, 2024 | Nov 1, 2024 |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 5, 2024 | — |
| 144 | Notice of proposed sale | Nov 1, 2024 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 31, 2024 | Oct 31, 2024 |
| 10-Q | Quarterly report | Oct 31, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 16, 2024 | Oct 13, 2024 |
| 4 | Insider transaction | Oct 16, 2024 | Oct 13, 2024 |
| 4 | Insider transaction | Oct 9, 2024 | Oct 7, 2024 |
| 144 | Notice of proposed sale | Oct 8, 2024 | — |
| 144 | Notice of proposed sale | Oct 7, 2024 | — |
| 4 | Insider transaction | Sep 24, 2024 | Sep 20, 2024 |
| 4 | Insider transaction | Sep 20, 2024 | Sep 18, 2024 |
| 144 | Notice of proposed sale | Sep 20, 2024 | — |
| 4 | Insider transaction | Sep 10, 2024 | Sep 9, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 10, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Sep 10, 2024 | — |
| 4 | Insider transaction | Sep 10, 2024 | Sep 9, 2024 |
| 4 | Insider transaction | Aug 26, 2024 | Aug 22, 2024 |
| 144 | Notice of proposed sale | Aug 22, 2024 | — |
| 4 | Insider transaction | Aug 19, 2024 | Aug 15, 2024 |
| 4 | Insider transaction | Aug 19, 2024 | Aug 15, 2024 |
| 4 | Insider transaction | Aug 19, 2024 | Aug 15, 2024 |
| 4 | Insider transaction | Aug 19, 2024 | Aug 15, 2024 |
| 4 | Insider transaction | Aug 19, 2024 | Aug 15, 2024 |
| 4 | Insider transaction | Aug 19, 2024 | Aug 15, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 2, 2024 | Aug 1, 2024 |
| 10-Q | Quarterly report | Aug 1, 2024 | Jun 30, 2024 |
| 11-K | Employee savings plan report | Jun 26, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Other events
|
Jun 20, 2024 | Jun 20, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Jun 10, 2024 | Jun 10, 2024 |
| 8-K |
Current report
Material agreement, Other events
|
Jun 6, 2024 | Jun 5, 2024 |
| 424B5 | Prospectus supplement | Jun 6, 2024 | — |
| FWP | Free writing prospectus | Jun 5, 2024 | — |
| 8-K |
Current report
Other events
|
Jun 5, 2024 | Jun 5, 2024 |
| 424B5 | Prospectus supplement | Jun 5, 2024 | — |
| S-8 | Employee stock plan registration | Jun 3, 2024 | — |
| S-8 | Employee stock plan registration | Jun 3, 2024 | — |
| 4 | Insider transaction | May 24, 2024 | May 22, 2024 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 17, 2024 | May 14, 2024 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Water, Sewer, Pipeline, Comm & Power Line Construction (SIC 1623)
- Listed as
- MTZ (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- FL
- Headquarters
- Coral Gables, FL
- SEC filer status
- Large accelerated filer
- SEC CIK
- 15615
- Former names
- BURNUP & SIMS INC (until May 13, 1994)
Other Water, Sewer, Pipeline, Comm & Power Line Construction companies
- Dycom Industries Inc DY
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All 8 Water, Sewer, Pipeline, Comm & Power Line Construction companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.