Mastec Inc
MTZNYSECIK 15615IndustrialsFiscal year ends Dec 31
Reports and events: 285 filings
Newest first, by EDGAR acceptance time (Eastern). Each filing’s page lists its documents on sec.gov and, for 10-K and 10-Q reports, the extracted sections.
What the forms are: 10-K, 10-Q, 8-K, Form 4, DEF 14A, Schedule 13D, Schedule 13G, amendments, accession numbers.
| Filed | Form | What it is | Accession number |
|---|---|---|---|
| 2026-10-2916:49 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000015615-26-000127 |
| 2026-10-2916:45 ET | 10-Q | Quarterly reportPeriod 2026-09-30 | 0000015615-26-000125 |
| 2026-08-1716:24 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-26-354111 |
| 2026-08-1316:15 ET | SCHEDULE 13D/A | Ownership report, active investor, amended | 0001193125-26-349231 |
| 2026-08-1316:15 ET | SCHEDULE 13D/A | Ownership report, active investor, amended | 0001193125-26-349228 |
| 2026-08-1016:32 ET | 8-K | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-342507 |
| 2026-07-3117:11 ET | 8-K | 9.01 Financial statements and exhibits | 0001193125-26-328848 |
| 2026-07-3016:28 ET | 8-K | 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 |
| 2026-07-3016:25 ET | 10-Q | Quarterly reportPeriod 2026-06-30 | 0000015615-26-000093 |
| 2026-07-2017:16 ET | 8-K | 2.03 New direct financial obligation | 0001193125-26-309077 |
| 2026-07-0716:37 ET | 8-K | 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 |
| 2026-05-2216:15 ET | 8-K | 5.07 Shareholder vote results | 0001193125-26-236909 |
| 2026-04-3016:34 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000015615-26-000052 |
| 2026-04-3016:29 ET | 10-Q | Quarterly reportPeriod 2026-03-31 | 0000015615-26-000050 |
| 2026-04-0916:30 ET | DEF 14A | Proxy statementPeriod 2026-05-21 | 0001140361-26-014022 |
| 2026-02-2616:38 ET | 10-K | Annual reportPeriod 2025-12-31 | 0000015615-26-000020 |
| 2026-02-2616:22 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000015615-26-000018 |
| 2025-10-3016:27 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000015615-25-000130 |
| 2025-10-3016:14 ET | 10-Q | Quarterly reportPeriod 2025-09-30 | 0000015615-25-000128 |
| 2025-08-2716:18 ET | 8-K | 5.04 Item not in the standard list; 9.01 Financial statements and exhibits | 0001193125-25-189769 |
| 2025-08-2216:25 ET | SCHEDULE 13D/A | Ownership report, active investor, amended | 0000950170-25-110973 |
| 2025-08-2216:20 ET | SCHEDULE 13D/A | Ownership report, active investor, amended | 0000950170-25-110969 |
| 2025-07-3116:41 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000015615-25-000080 |
| 2025-07-3116:26 ET | 10-Q | Quarterly reportPeriod 2025-06-30 | 0000015615-25-000079 |
| 2025-06-2716:16 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-25-151280 |
| 2025-05-2716:15 ET | 8-K | 5.07 Shareholder vote results | 0001193125-25-127576 |
| 2025-05-0220:32 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-110270 |
| 2025-05-0116:19 ET | 10-Q | Quarterly reportPeriod 2025-03-31 | 0000015615-25-000052 |
| 2025-04-2217:07 ET | 8-K | 1.04 Item not in the standard list | 0001193125-25-089313 |
| 2025-04-1016:30 ET | DEF 14A | Proxy statementPeriod 2025-05-22 | 0001140361-25-013277 |
| 2025-02-2806:07 ET | 10-K | Annual reportPeriod 2024-12-31 | 0000015615-25-000021 |
| 2025-02-2821:42 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-040255 |
| 2024-10-3116:43 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-248758 |
| 2024-10-3116:38 ET | 10-Q | Quarterly reportPeriod 2024-09-30 | 0000015615-24-000107 |
| 2024-09-1016:39 ET | SC 13D/A | Ownership report, active investor, amended | 0001193125-24-216658 |
| 2024-09-1016:37 ET | SC 13D/A | Ownership report, active investor, amended | 0001193125-24-216656 |
| 2024-08-0221:35 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-191835 |
| 2024-08-0116:49 ET | 10-Q | Quarterly reportPeriod 2024-06-30 | 0000015615-24-000075 |
| 2024-06-2017:00 ET | 8-K | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-164546 |
| 2024-06-1016:19 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-24-158356 |
| 2024-06-0616:36 ET | 8-K | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-156129 |
| 2024-06-0508:39 ET | 8-K | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-154747 |
| 2024-05-1717:00 ET | 8-K | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-24-141844 |
| 2024-05-0306:07 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-129870 |
| 2024-05-0217:05 ET | 10-Q | Quarterly reportPeriod 2024-03-31 | 0000015615-24-000045 |
| 2024-04-0416:33 ET | DEF 14A | Proxy statementPeriod 2024-05-14 | 0001140361-24-017972 |
| 2024-03-0820:42 ET | 8-K | 4.01 Change of auditor; 9.01 Financial statements and exhibits | 0001193125-24-062573 |
| 2024-03-0121:58 ET | 10-K | Annual reportPeriod 2023-12-31 | 0000015615-24-000021 |
| 2024-03-0121:24 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-054015 |
| 2023-11-0216:45 ET | 10-Q | Quarterly reportPeriod 2023-09-30 | 0000015615-23-000036 |
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 29, 2026, 19:10 ET. Listed shows no prices and gives no investment advice.