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
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
8-K Current report
Material agreement, New debt
Aug 17, 2026 Aug 17, 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 —
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
D Filing Jul 24, 2026 —
8-K Current report
New debt
Jul 20, 2026 Jul 20, 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
8-K Current report
Shareholder vote results
May 22, 2026 May 21, 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
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
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
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
D/A Filing Oct 8, 2025 —
8-K Current report Aug 27, 2025 Aug 22, 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
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
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
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
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
D/A Filing Nov 12, 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
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 —
8-K Current report
Officer or director change, Shareholder vote results
May 17, 2024 May 14, 2024
8-K Current report
Results of operations, Regulation FD disclosure
May 3, 2024 May 2, 2024
10-Q Quarterly report May 2, 2024 Mar 31, 2024
ARS Annual report to shareholders Apr 4, 2024 Dec 31, 2023
DEFA14A Additional proxy material Apr 4, 2024 —
DEF 14A Proxy statement Apr 4, 2024 May 14, 2024
8-K Current report
Auditor change
Mar 8, 2024 Mar 5, 2024
S-8 Employee stock plan registration Mar 1, 2024 —
10-K Annual report Mar 1, 2024 Dec 31, 2023
NT 10-K Filing Mar 1, 2024 Dec 31, 2023
8-K Current report
Results of operations, Regulation FD disclosure
Mar 1, 2024 Feb 29, 2024
10-Q Quarterly report Nov 2, 2023 Sep 30, 2023
8-K Current report
Results of operations, Regulation FD disclosure
Nov 1, 2023 Oct 31, 2023
8-K/A Amended current report
Shareholder vote results
Oct 5, 2023 May 16, 2023
8-K Current report
Results of operations, Regulation FD disclosure
Aug 4, 2023 Aug 3, 2023
10-Q Quarterly report Aug 3, 2023 Jun 30, 2023
11-K Employee savings plan report Jun 20, 2023 Dec 31, 2022
8-K Current report
Shareholder vote results
May 18, 2023 May 16, 2023
8-K Current report
Officer or director change
May 17, 2023 May 16, 2023
8-K Current report
Results of operations, Regulation FD disclosure
May 5, 2023 May 4, 2023
10-Q Quarterly report May 4, 2023 Mar 31, 2023
ARS Annual report to shareholders Apr 4, 2023 Dec 31, 2022
DEFA14A Additional proxy material Apr 4, 2023 —
DEF 14A Proxy statement Apr 4, 2023 —
8-K Current report
Officer or director change
Mar 31, 2023 Mar 31, 2023
8-K/A Amended current report
Officer or director change
Mar 31, 2023 Mar 9, 2023
10-K Annual report Mar 16, 2023 Dec 31, 2022
8-K Current report
Officer or director change
Mar 15, 2023 Mar 9, 2023
NT 10-K Filing Mar 2, 2023 Dec 31, 2022
8-K Current report
Results of operations, Regulation FD disclosure
Feb 24, 2023 Feb 23, 2023
8-K Current report
Officer or director change
Dec 22, 2022 Dec 21, 2022
S-3ASR Automatic shelf registration Dec 15, 2022 —
8-K Current report
Results of operations, Regulation FD disclosure
Nov 4, 2022 Nov 3, 2022
10-Q Quarterly report Nov 3, 2022 Sep 30, 2022
8-K Current report
Other events
Oct 24, 2022 Oct 24, 2022
8-K Current report
Other events
Oct 17, 2022 Oct 17, 2022
S-3ASR Automatic shelf registration Oct 7, 2022 —
8-K Current report
New debt, Other events
Oct 7, 2022 Oct 7, 2022
425 Filing Sep 26, 2022 —
8-K Current report
Other events
Sep 26, 2022 Sep 26, 2022
425 Filing Sep 12, 2022 —
8-K Current report
Other events
Sep 12, 2022 Sep 12, 2022
EFFECT Filing Sep 8, 2022 —
424B3 Prospectus Sep 8, 2022 —
CORRESP Letter to the SEC Sep 6, 2022 —
425 Filing Sep 6, 2022 —
8-K Current report
Other events
Sep 6, 2022 Sep 6, 2022
UPLOAD Letter from the SEC Sep 2, 2022 —
425 Form 425 Sep 2, 2022 —
8-K Current report
Other events
Sep 2, 2022 Sep 2, 2022
425 Filing Sep 1, 2022 —
8-K Current report
Material agreement, New debt, Change to shareholder rights
Sep 1, 2022 Sep 1, 2022
S-4 Registration for a merger or exchange Aug 29, 2022 —
425 Form 425 Aug 25, 2022 —
8-K Current report
Other events
Aug 25, 2022 Aug 25, 2022
425 Filing Aug 22, 2022 —
8-K Current report
Other events
Aug 22, 2022 Aug 22, 2022
425 Form 425 Aug 10, 2022 —
425 Filing Aug 8, 2022 —
8-K Current report
Other events
Aug 8, 2022 Aug 8, 2022
425 Form 425 Aug 8, 2022 —
425 Filing Aug 5, 2022 —
8-K Current report
Results of operations, Regulation FD disclosure
Aug 5, 2022 Aug 4, 2022
10-Q Quarterly report Aug 4, 2022 Jun 30, 2022
425 Filing Jul 27, 2022 —
425 Filing Jul 26, 2022 —
425 Filing Jul 25, 2022 —
425 Filing Jul 25, 2022 —
8-K Current report
Material agreement, Results of operations, Other events
Jul 25, 2022 Jul 24, 2022
11-K Employee savings plan report Jun 24, 2022 Dec 31, 2021
8-K Current report May 27, 2022 May 27, 2022
424B7 Form 424(b)(7) May 27, 2022 —
8-K Current report
Shareholder vote results
May 23, 2022 May 19, 2022
8-K Current report
Results of operations, Regulation FD disclosure
May 6, 2022 May 5, 2022
10-Q Quarterly report May 5, 2022 Mar 31, 2022
DEFA14A Additional proxy material Apr 6, 2022 —
DEF 14A Proxy statement Apr 6, 2022 May 19, 2022
8-K Current report
Officer or director change
Mar 30, 2022 Mar 25, 2022
10-K Annual report Mar 1, 2022 Dec 31, 2021
8-K Current report
Results of operations, Regulation FD disclosure
Feb 25, 2022 Feb 24, 2022
8-K Current report Jan 21, 2022 Jan 21, 2022
424B7 Filing Jan 21, 2022 —
D Filing Jan 12, 2022 —
8-K Current report
Unregistered share sale
Dec 21, 2021 Dec 20, 2021
8-K Current report
Results of operations, Regulation FD disclosure
Nov 4, 2021 Nov 4, 2021
10-Q Quarterly report Nov 4, 2021 Sep 30, 2021
8-K Current report
Results of operations, Regulation FD disclosure
Aug 6, 2021 Aug 5, 2021
10-Q Quarterly report Aug 5, 2021 Jun 30, 2021
11-K Employee savings plan report Jun 25, 2021 Dec 31, 2020
S-8 Employee stock plan registration Jun 8, 2021 —
8-K Current report
Officer or director change, Shareholder vote results
May 21, 2021 May 20, 2021
DEFA14A Additional proxy material May 13, 2021 —
8-K Current report
Results of operations, Regulation FD disclosure
May 7, 2021 May 6, 2021
10-Q Quarterly report May 6, 2021 Mar 31, 2021
DEFA14A Additional proxy material Apr 7, 2021 —
DEF 14A Proxy statement Apr 7, 2021 May 20, 2021
8-K Current report
Results of operations, Regulation FD disclosure
Feb 26, 2021 Feb 25, 2021
10-K Annual report Feb 25, 2021 Dec 31, 2020
8-K Current report
Results of operations, Regulation FD disclosure
Oct 30, 2020 Oct 29, 2020
10-Q Quarterly report Oct 29, 2020 Sep 30, 2020
8-K Current report
Material agreement, New debt
Aug 4, 2020 Aug 4, 2020
10-Q Quarterly report Jul 31, 2020 Jun 30, 2020
8-K Current report
Results of operations, Regulation FD disclosure
Jul 31, 2020 Jul 30, 2020
8-K Current report
Other events
Jul 22, 2020 Jul 21, 2020
8-K Current report
Regulation FD disclosure
Jul 20, 2020 Jul 20, 2020
11-K Employee savings plan report Jun 29, 2020 Dec 31, 2019
8-K Current report
Shareholder vote results
May 18, 2020 May 15, 2020
DEFA14A Additional proxy material May 4, 2020 —
8-K Current report
Results of operations, Regulation FD disclosure
May 1, 2020 Apr 30, 2020
10-Q Quarterly report Apr 30, 2020 Mar 31, 2020
DEFA14A Additional proxy material Apr 2, 2020 —
DEF 14A Proxy statement Apr 2, 2020 May 15, 2020
8-K Current report
Results of operations, Regulation FD disclosure
Feb 28, 2020 Feb 27, 2020
10-K Annual report Feb 27, 2020 Dec 31, 2019
S-3ASR Automatic shelf registration Dec 19, 2019 —
8-K Current report
Results of operations, Regulation FD disclosure
Nov 1, 2019 Oct 31, 2019
10-Q Quarterly report Oct 31, 2019 Sep 30, 2019
8-K Current report
Material agreement
Sep 20, 2019 Sep 19, 2019
8-K Current report
Results of operations, Regulation FD disclosure
Aug 2, 2019 Aug 1, 2019
10-Q Quarterly report Aug 1, 2019 Jun 30, 2019
11-K Employee savings plan report Jun 19, 2019 Dec 31, 2018
8-K Current report
Shareholder vote results
May 24, 2019 May 23, 2019
DEFA14A Additional proxy material May 14, 2019 —
10-Q Quarterly report May 2, 2019 Mar 31, 2019
8-K Current report
Results of operations, Regulation FD disclosure
May 2, 2019 May 2, 2019
DEF 14A Proxy statement Apr 2, 2019 May 23, 2019
10-K Annual report Feb 28, 2019 Dec 31, 2018
8-K Current report
Results of operations, Regulation FD disclosure
Feb 28, 2019 Feb 28, 2019
10-Q Quarterly report Nov 1, 2018 Sep 30, 2018
8-K Current report
Results of operations, Regulation FD disclosure
Nov 1, 2018 Nov 1, 2018
8-K Current report
Results of operations, Regulation FD disclosure
Aug 3, 2018 Aug 2, 2018
10-Q Quarterly report Aug 2, 2018 Jun 30, 2018
8-K Current report
Shareholder vote results
May 25, 2018 May 22, 2018
11-K Employee savings plan report May 23, 2018 Dec 31, 2017
10-Q Quarterly report Apr 30, 2018 Mar 31, 2018
8-K Current report
Results of operations, Regulation FD disclosure
Apr 30, 2018 Apr 30, 2018
DEF 14A Proxy statement Mar 28, 2018 May 22, 2018
8-K Current report
Results of operations, Regulation FD disclosure
Feb 28, 2018 Feb 27, 2018
10-K Annual report Feb 27, 2018 Dec 31, 2017
8-K Current report
Results of operations, Regulation FD disclosure
Nov 2, 2017 Nov 2, 2017
10-Q Quarterly report Nov 2, 2017 Sep 30, 2017
8-K/A Amended current report
Shareholder vote results
Sep 26, 2017 May 18, 2017
8-K Current report
Results of operations, Regulation FD disclosure
Aug 3, 2017 Aug 3, 2017
10-Q Quarterly report Aug 3, 2017 Jun 30, 2017

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.

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.