Company: MTZ
Filing Date: 2025-06-26
Form Type: 11-K
Source: 0000015615-25-000062
Chunk: 13

Company: MASTEC INC
Filing Date: 2025-06-26
Form: 11-K
Chunk 13
---
,804 |
|     |     | Vanguard Total Bond Market Index Fund Admiral Class             |     | Mutual Fund                               |     |         |   |     |               |   4,991,767 |
|     |     | PIMCO Foreign Bond Fund (US Dollar-Hedged) Institutional Class  |     | Mutual Fund                               |     |         |   |     |               |   1,554,283 |
| *   |     | MasTec, Inc. Stock                                              |     | Common stock                              |     |         |   |     | $             | 154,448,893 |
| *   |     | Notes Receivable from participants                              |     | Interest rates range from  3.25% to 9.50% |     | $       | 0 |     | $             |  16,765,691 |
|     |     | Total                                                           |     |                                           |     |         |   |     | $             | 726,795,206 |

* Represents a party-in-interest as defined by ERISA

** The cost of participant-directed investments is not required to be disclosed.

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### SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the trustees (or other persons who administer the employee benefit plan) have duly caused this annual report to be signed on its behalf by the undersigned hereunto duly authorized.

|                     |     | The MasTec, Inc. 401(k) Retirement Plan |
|                     |     | /s/ Jose R. Mas                         |
|                     |     | President and CEO of MasTec, Inc.       |
| Date: June 26, 2025 |     | /s/ Paul DiMarco                        |
|                     |     | Chief Financial Officer of MasTec, Inc. |

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