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.

Mastec Inc SEC filings
Form Description Filed Period
424B5 Prospectus supplement Aug 10, 2026 —
FWP Free writing prospectus Aug 6, 2026 —
424B5 Prospectus supplement Aug 6, 2026 —
424B7 Filing Jul 31, 2026 —
S-3ASR Automatic shelf registration Feb 28, 2025 —
424B5 Prospectus supplement Jun 6, 2024 —
FWP Free writing prospectus 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 —
S-8 Employee stock plan registration Mar 1, 2024 —
S-3ASR Automatic shelf registration Dec 15, 2022 —
S-3ASR Automatic shelf registration Oct 7, 2022 —
424B3 Prospectus Sep 8, 2022 —
S-4 Registration for a merger or exchange Aug 29, 2022 —
424B7 Form 424(b)(7) May 27, 2022 —
424B7 Filing Jan 21, 2022 —
S-8 Employee stock plan registration Jun 8, 2021 —
S-3ASR Automatic shelf registration Dec 19, 2019 —
S-3ASR Automatic shelf registration Aug 16, 2016 —
S-8 Employee stock plan registration Jan 20, 2016 —
S-8 Employee stock plan registration May 31, 2013 —
424B2 Prospectus Mar 8, 2013 —
FWP Free writing prospectus Mar 7, 2013 —
424B5 Prospectus supplement Mar 1, 2013 —

Showing 25 filings. 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.

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

Source: SEC EDGAR filings. This is company-reported data, not investment advice.