List of insiders holdings for MASTEC INC:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | MAS JORGE Jorge Mas Holdings I Limited Partnership Jorge L. Mas Canosa Holdings I LP Chairman 10% Owner | 2026-08-13 16:15:03 | 11,872,111 0 | 11,872,111 | Form 13D |
| 2 | MAS JORGE Director | 2026-08-13 16:15:06 | 0 1,099,335 | 1,099,335 | Form 4 |
| 3 | SHANFELTER AUSTIN J Director | 2008-08-08 21:15:13 | 489,428 0 | 489,428 | Form 4 |
| 4 | MAS JOSE RAMON CEO | 2026-08-13 16:15:09 | 340,794 0 | 340,794 | Form 4 |
| 5 | WEINSTEIN DONALD P EVP and CFO | 2003-08-18 18:43:16 | 335,000 0 | 335,000 | Form 4 |
| 6 | LAFFER ARTHUR B Director | 2003-12-18 09:15:22 | 292,500 0 | 292,500 | Form 4 |
| 7 | SHIEBLER WILLIAM N Director | 2003-12-18 09:39:21 | 222,500 0 | 222,500 | Form 4 |
| 8 | KENNEDY JOSEPH P II Director | 2003-12-17 15:27:58 | 200,000 0 | 200,000 | Form 4 |
| 9 | Apple Robert E COO | 2026-03-20 16:59:58 | 183,591 12,068 | 195,659 | Form 4 |
| 10 | Pita George CFO | 2023-03-21 16:35:49 | 156,475 1,447 | 157,922 | Form 4 |
| 11 | Floerke Gregory Scott Chief Operations Officer | 2005-01-11 16:32:12 | 115,000 0 | 115,000 | Form 3 |
| 12 | de Cardenas Alberto EVP, General Counsel | 2026-03-20 16:59:30 | 102,780 8,084 | 110,864 | Form 4 |
| 13 | DiMarco Paul CFO | 2026-03-20 17:01:01 | 66,627 10,013 | 76,640 | Form 4 |
| 14 | JOHNSON JULIA L Director | 2026-08-18 16:39:32 | 73,474 0 | 73,474 | Form 4 |
| 15 | HEUVELEN JOHN VAN Director | 2017-05-17 16:39:21 | 70,946 0 | 70,946 | Form 4 |
| 16 | Harris Ray President | 2013-01-02 17:08:29 | 54,025 0 | 54,025 | Form 4 |
| 17 | NEARING MICHAEL General Counsel and EVP | 2004-03-03 14:37:32 | 50,000 0 | 50,000 | Form 3 |
| 18 | SORZANO JOSE S Director | 2020-11-17 16:52:20 | 43,861 0 | 43,861 | Form 4 |
| 19 | Campbell C Robert Director | 2026-08-18 16:40:45 | 30,880 0 | 30,880 | Form 4 |
| 20 | Dwyer Robert J Director | 2026-08-18 16:40:03 | 20,960 0 | 20,960 | Form 4 |
| 21 | Jaumot Frank E Director | 2016-05-17 16:52:12 | 20,944 0 | 20,944 | Form 4 |
| 22 | de Cespedes Carlos M Director | 2006-06-08 15:05:54 | 20,000 0 | 20,000 | Form 4 |
| 23 | HUDSON SHERRILL W Director | 2004-01-07 16:37:11 | 20,000 0 | 20,000 | Form 4 |
| 24 | Love Timothy Michael CAO | 2026-04-17 16:19:26 | 10,292 4,033 | 14,325 | Form 4 |
| 25 | Csiszar Ernst N Director | 2026-08-18 16:41:06 | 10,934 0 | 10,934 | Form 4 |
| 26 | Palomarez Javier Alberto Director | 2026-08-18 16:43:21 | 10,774 0 | 10,774 | Form 4 |
| 27 | Restrepo Daniel A Director | 2015-08-18 16:45:06 | 5,963 0 | 5,963 | Form 4 |
| 28 | Parker Ava L Director | 2026-08-18 16:38:35 | 5,549 0 | 5,549 | Form 4 |
| 29 | Miranda Manuel Benito Director | 2026-08-18 17:14:03 | 152 0 | 152 | Form 4 |
| 30 | Spiro Alex Director | 2026-08-18 16:40:26 | 139 0 | 139 | Form 4 |