Through the 90-day period concluding January 10, 2026, Mastec's top three insider stakeholders include Director Jorge Mas (4.56Mn shares), Ceo Jose Ramon Mas (3.26Mn shares), Coo Robert E Apple (196.19K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Jorge Mas | 4,556,806 | 20 Mar, 2025 | |
| Jose Ramon Mas | Ceo | 3,256,248 | 26 Mar, 2025 |
| Robert E Apple | Coo | 196,195 | 22 Sep, 2025 |
| George Pita | Cfo | 156,475 | 21 Mar, 2023 |
| Cardenas Alberto De | Evp And General Counsel | 109,315 | 07 Aug, 2025 |
| Julia L Johnson | 73,086 | 18 Nov, 2025 | |
| Paul Dimarco | Cfo | 67,448 | 15 Oct, 2025 |
| C Robert Campbell | 33,492 | 18 Nov, 2025 | |
| Ernst N Csiszar | 23,604 | 18 Nov, 2025 | |
| Robert J Dwyer | 20,658 | 18 Nov, 2025 | |
| Javier Alberto Palomarez | 11,422 | 18 Nov, 2025 | |
| Timothy Michael Love | Cao | 9,757 | 05 Nov, 2025 |
| Ava L Parker | 5,112 | 18 Nov, 2025 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 14 Nov, 2025 | Julia L Johnson | Common Stock | A | 215 | $0.00 | 73,086 | D | A |
| 14 Nov, 2025 | Robert J Dwyer | Common Stock | A | 215 | $0.00 | 20,706 | D | A |
| 14 Nov, 2025 | Robert J Dwyer | Common Stock | D | 48 | $192.22 | 20,658 | D | F |
| 14 Nov, 2025 | C Robert Campbell | Common Stock | A | 215 | $0.00 | 33,492 | D | A |
| 14 Nov, 2025 | Ernst N Csiszar | Common Stock | D | 52 | $192.22 | 23,604 | D | F |
| 14 Nov, 2025 | Ernst N Csiszar | Common Stock | A | 235 | $0.00 | 23,656 | D | A |
| 14 Nov, 2025 | Ava L Parker | Common Stock | D | 31 | $192.22 | 5,112 | D | F |
| 14 Nov, 2025 | Ava L Parker | Common Stock | A | 274 | $0.00 | 5,143 | D | A |
| 14 Nov, 2025 | Javier Alberto Palomarez | Common Stock | D | 48 | $192.22 | 11,422 | D | F |
| 14 Nov, 2025 | Javier Alberto Palomarez | Common Stock | A | 215 | $0.00 | 11,470 | D | A |
| 03 Nov, 2025 | Timothy Michael Love | Common Stock | D | 1,929 | $206.15 | 9,757 | D | S |
| 10 Oct, 2025 | Timothy Michael Love | Common Stock | D | 621 | $210.09 | 11,686 | D | F |
| 10 Oct, 2025 | Paul Dimarco | Common Stock | D | 2,925 | $210.09 | 57,553 | D | F |
| 29 Sep, 2025 | C Robert Campbell | Common Stock | D | 2,000 | $210.39 | 33,277 | D | S |
| 18 Sep, 2025 | Robert E Apple | Common Stock | D | 9,900 | $200.43 | 184,349 | D | S |
| 18 Sep, 2025 | Robert E Apple | Common Stock | D | 100 | $201.06 | 184,249 | D | S |
| 18 Sep, 2025 | Robert E Apple | - | - | 184,249 | D | |||
| 11 Sep, 2025 | C Robert Campbell | Common Stock | D | 3,000 | $190.39 | 35,277 | D | S |
| 15 Aug, 2025 | Julia L Johnson | Common Stock | A | 232 | $0.00 | 72,871 | D | A |
| 15 Aug, 2025 | Robert J Dwyer | Common Stock | A | 232 | $0.00 | 20,543 | D | A |