# Mastec Inc: filings

MTZ · NYSE · CIK 15615 · [Industrials](/sectors/industrials.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/mtz.md) · [Financials](/companies/mtz/financials.md) · [Filings](/companies/mtz/filings.md) · [Insiders](/companies/mtz/insiders.md)

## Reports and events: 285 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 707, 8-K 175, 10-Q 54, SC 13G/A 45, CORRESP 30, 144 23, 4/A 20, 10-K 18, 11-K 18, DEF 14A 18, UPLOAD 16, 425 15, DEFA14A 14, 3 11, SC 13G 10, ARS 8, 424B5 7, S-3ASR 7, S-8 7, SC 13D/A 7, 8-K/A 6, 424B7 5, FWP 5, SCHEDULE 13D/A 4, SCHEDULE 13G/A 4, 5 3, D 3, NT 10-K 3, S-4/A 3, SC TO-I/A 3, 424B3 2, D/A 2, EFFECT 2, NT 10-Q 2, S-4 2, SC 13D 2, SCHEDULE 13G 2, 10-K/A 1, 3/A 1, 424B2 1, CT ORDER 1, PRE 14A 1, REGDEX 1, RW 1, SC TO-I 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-29 | 16:49 ET | [8-K](/filings/0000015615-26-000127.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000015615-26-000127 |
| 2026-10-29 | 16:45 ET | [10-Q](/filings/0000015615-26-000125.md) | Quarterly report, period 2026-09-30 | 0000015615-26-000125 |
| 2026-08-17 | 16:24 ET | [8-K](/filings/0001193125-26-354111.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-26-354111 |
| 2026-08-13 | 16:15 ET | [SCHEDULE 13D/A](/filings/0001193125-26-349231.md) | Ownership report, active investor, amended | 0001193125-26-349231 |
| 2026-08-13 | 16:15 ET | [SCHEDULE 13D/A](/filings/0001193125-26-349228.md) | Ownership report, active investor, amended | 0001193125-26-349228 |
| 2026-08-10 | 16:32 ET | [8-K](/filings/0001193125-26-342507.md) | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-342507 |
| 2026-07-31 | 17:11 ET | [8-K](/filings/0001193125-26-328848.md) | 9.01 Financial statements and exhibits | 0001193125-26-328848 |
| 2026-07-30 | 16:28 ET | [8-K](/filings/0000015615-26-000095.md) | 2.02 Results of operations; 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000015615-26-000095 |
| 2026-07-30 | 16:25 ET | [10-Q](/filings/0000015615-26-000093.md) | Quarterly report, period 2026-06-30 | 0000015615-26-000093 |
| 2026-07-20 | 17:16 ET | [8-K](/filings/0001193125-26-309077.md) | 2.03 New direct financial obligation | 0001193125-26-309077 |
| 2026-07-07 | 16:37 ET | [8-K](/filings/0001193125-26-297552.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 3.02 Unregistered sale of equity; 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-26-297552 |
| 2026-05-22 | 16:15 ET | [8-K](/filings/0001193125-26-236909.md) | 5.07 Shareholder vote results | 0001193125-26-236909 |
| 2026-04-30 | 16:34 ET | [8-K](/filings/0000015615-26-000052.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000015615-26-000052 |
| 2026-04-30 | 16:29 ET | [10-Q](/filings/0000015615-26-000050.md) | Quarterly report, period 2026-03-31 | 0000015615-26-000050 |
| 2026-04-09 | 16:30 ET | [DEF 14A](/filings/0001140361-26-014022.md) | Proxy statement, period 2026-05-21 | 0001140361-26-014022 |
| 2026-02-26 | 16:38 ET | [10-K](/filings/0000015615-26-000020.md) | Annual report, period 2025-12-31 | 0000015615-26-000020 |
| 2026-02-26 | 16:22 ET | [8-K](/filings/0000015615-26-000018.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000015615-26-000018 |
| 2025-10-30 | 16:27 ET | [8-K](/filings/0000015615-25-000130.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000015615-25-000130 |
| 2025-10-30 | 16:14 ET | [10-Q](/filings/0000015615-25-000128.md) | Quarterly report, period 2025-09-30 | 0000015615-25-000128 |
| 2025-08-27 | 16:18 ET | [8-K](/filings/0001193125-25-189769.md) | 5.04 Item not in the standard list; 9.01 Financial statements and exhibits | 0001193125-25-189769 |
| 2025-08-22 | 16:25 ET | [SCHEDULE 13D/A](/filings/0000950170-25-110973.md) | Ownership report, active investor, amended | 0000950170-25-110973 |
| 2025-08-22 | 16:20 ET | [SCHEDULE 13D/A](/filings/0000950170-25-110969.md) | Ownership report, active investor, amended | 0000950170-25-110969 |
| 2025-07-31 | 16:41 ET | [8-K](/filings/0000015615-25-000080.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000015615-25-000080 |
| 2025-07-31 | 16:26 ET | [10-Q](/filings/0000015615-25-000079.md) | Quarterly report, period 2025-06-30 | 0000015615-25-000079 |
| 2025-06-27 | 16:16 ET | [8-K](/filings/0001193125-25-151280.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-25-151280 |
| 2025-05-27 | 16:15 ET | [8-K](/filings/0001193125-25-127576.md) | 5.07 Shareholder vote results | 0001193125-25-127576 |
| 2025-05-02 | 20:32 ET | [8-K](/filings/0001193125-25-110270.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-110270 |
| 2025-05-01 | 16:19 ET | [10-Q](/filings/0000015615-25-000052.md) | Quarterly report, period 2025-03-31 | 0000015615-25-000052 |
| 2025-04-22 | 17:07 ET | [8-K](/filings/0001193125-25-089313.md) | 1.04 Item not in the standard list | 0001193125-25-089313 |
| 2025-04-10 | 16:30 ET | [DEF 14A](/filings/0001140361-25-013277.md) | Proxy statement, period 2025-05-22 | 0001140361-25-013277 |
| 2025-02-28 | 06:07 ET | [10-K](/filings/0000015615-25-000021.md) | Annual report, period 2024-12-31 | 0000015615-25-000021 |
| 2025-02-28 | 21:42 ET | [8-K](/filings/0001193125-25-040255.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-040255 |
| 2024-10-31 | 16:43 ET | [8-K](/filings/0001193125-24-248758.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-248758 |
| 2024-10-31 | 16:38 ET | [10-Q](/filings/0000015615-24-000107.md) | Quarterly report, period 2024-09-30 | 0000015615-24-000107 |
| 2024-09-10 | 16:39 ET | [SC 13D/A](/filings/0001193125-24-216658.md) | Ownership report, active investor, amended | 0001193125-24-216658 |
| 2024-09-10 | 16:37 ET | [SC 13D/A](/filings/0001193125-24-216656.md) | Ownership report, active investor, amended | 0001193125-24-216656 |
| 2024-08-02 | 21:35 ET | [8-K](/filings/0001193125-24-191835.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-191835 |
| 2024-08-01 | 16:49 ET | [10-Q](/filings/0000015615-24-000075.md) | Quarterly report, period 2024-06-30 | 0000015615-24-000075 |
| 2024-06-20 | 17:00 ET | [8-K](/filings/0001193125-24-164546.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-164546 |
| 2024-06-10 | 16:19 ET | [8-K](/filings/0001193125-24-158356.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-24-158356 |
| 2024-06-06 | 16:36 ET | [8-K](/filings/0001193125-24-156129.md) | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-156129 |
| 2024-06-05 | 08:39 ET | [8-K](/filings/0001193125-24-154747.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-154747 |
| 2024-05-17 | 17:00 ET | [8-K](/filings/0001193125-24-141844.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-24-141844 |
| 2024-05-03 | 06:07 ET | [8-K](/filings/0001193125-24-129870.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-129870 |
| 2024-05-02 | 17:05 ET | [10-Q](/filings/0000015615-24-000045.md) | Quarterly report, period 2024-03-31 | 0000015615-24-000045 |
| 2024-04-04 | 16:33 ET | [DEF 14A](/filings/0001140361-24-017972.md) | Proxy statement, period 2024-05-14 | 0001140361-24-017972 |
| 2024-03-08 | 20:42 ET | [8-K](/filings/0001193125-24-062573.md) | 4.01 Change of auditor; 9.01 Financial statements and exhibits | 0001193125-24-062573 |
| 2024-03-01 | 21:58 ET | [10-K](/filings/0000015615-24-000021.md) | Annual report, period 2023-12-31 | 0000015615-24-000021 |
| 2024-03-01 | 21:24 ET | [8-K](/filings/0001193125-24-054015.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-054015 |
| 2023-11-02 | 16:45 ET | [10-Q](/filings/0000015615-23-000036.md) | Quarterly report, period 2023-09-30 | 0000015615-23-000036 |

Page 1 of 6. [Older](/companies/mtz/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 29, 2026, 19:10 ET. No prices; not investment advice.