As of April 22, 2026, Mastec's top three insider holders are Jorge Mas (Director, 4.56Mn shares), Jose Ramon Mas (Ceo, 3.25Mn shares), Robert E Apple (Coo, 183.59K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Jorge Mas | - | 4,556,686 | 0 | 20 Mar, 2026 |
| Jose Ramon Mas | Ceo | 3,254,461 | 0 | 20 Mar, 2026 |
| Robert E Apple | Coo | 183,591 | 0 | 20 Mar, 2026 |
| George Pita | Cfo | 156,475 | 0 | 21 Mar, 2023 |
| George Pita | Cfo | 156,475 | 0 | 21 Mar, 2023 |
| George Pita | Cfo | 137,244 | 0 | 02 Jul, 2021 |
| George Pita | Cfo | 137,244 | 0 | 02 Jul, 2021 |
| Cardenas Alberto De | Evp, General Counsel | 102,780 | 0 | 20 Mar, 2026 |
| Julia L Johnson | - | 73,240 | 0 | 18 Feb, 2026 |
| Paul Dimarco | Cfo | 66,627 | 0 | 20 Mar, 2026 |
| C Robert Campbell | Evp Cfo | 33,646 | 0 | 18 Feb, 2026 |
| Robert J Dwyer | - | 20,778 | 0 | 18 Feb, 2026 |
| Ernst N Csiszar | - | 17,235 | 0 | 05 Mar, 2026 |
| Robert E Apple | Coo | 0 | 11,946 | 06 Nov, 2023 |
| Javier Alberto Palomarez | - | 10,592 | 0 | 27 Mar, 2026 |
| Javier Alberto Palomarez | - | 10,592 | 0 | 27 Mar, 2026 |
| Timothy Michael Love | Cao | 10,292 | 0 | 17 Apr, 2026 |
| Paul Dimarco | Cfo | 0 | 9,895 | 06 Nov, 2023 |
| Cardenas Alberto De | Evp, General Counsel | 0 | 7,966 | 06 Nov, 2023 |
| Ava L Parker | - | 5,285 | 0 | 18 Feb, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 17 Mar, 2026 | Timothy Michael Love | Common Stock | A | 492 | $0.00 | 10,292 | D | A |
| 25 Mar, 2026 | Javier Alberto Palomarez | Common Stock | D | 950 | $325.43 | 10,592 | D | S |
| 25 Mar, 2026 | Javier Alberto Palomarez | Common Stock | D | 950 | $325.43 | 10,592 | D | S |
| 18 Mar, 2026 | Robert E Apple | Common Stock | A | 11,548 | $0.00 | 183,591 | D | A |
| 18 Mar, 2026 | Jose Ramon Mas | Common Stock | A | 26,397 | $0.00 | 3,254,461 | D | A |
| 18 Mar, 2026 | Jorge Mas | Common Stock | A | 15,838 | $0.00 | 4,556,686 | D | A |
| 18 Mar, 2026 | Paul Dimarco | Common Stock | A | 9,074 | $0.00 | 66,627 | D | A |
| 18 Mar, 2026 | Cardenas Alberto De | Common Stock | A | 6,269 | $0.00 | 102,780 | D | A |
| 10 Mar, 2026 | Cardenas Alberto De | Common Stock | D | 4,838 | $297.81 | 96,511 | D | F |
| 10 Mar, 2026 | Robert E Apple | Common Stock | D | 12,206 | $297.81 | 172,043 | D | F |
| 10 Mar, 2026 | Jorge Mas | Common Stock | D | 15,958 | $297.81 | 4,540,848 | D | F |
| 10 Mar, 2026 | Jose Ramon Mas | Common Stock | D | 28,184 | $297.81 | 3,228,064 | D | F |
| 03 Mar, 2026 | Ernst N Csiszar | Common Stock | D | 6,500 | $300.40 | 17,235 | D | S |
| 13 Feb, 2026 | Julia L Johnson | Common Stock | A | 154 | $0.00 | 73,240 | D | A |
| 13 Feb, 2026 | Javier Alberto Palomarez | Common Stock | A | 154 | $0.00 | 11,576 | D | A |
| 13 Feb, 2026 | Robert J Dwyer | Common Stock | A | 154 | $0.00 | 20,812 | D | A |
| 13 Feb, 2026 | Ava L Parker | Common Stock | A | 195 | $0.00 | 5,307 | D | A |
| 13 Feb, 2026 | C Robert Campbell | Common Stock | A | 154 | $0.00 | 33,646 | D | A |
| 13 Feb, 2026 | Javier Alberto Palomarez | Common Stock | A | 154 | $0.00 | 11,576 | D | A |
| 13 Feb, 2026 | Ernst N Csiszar | Common Stock | A | 168 | $0.00 | 23,772 | D | A |