Mastec Inc (NYSE: MTZ), an SEC filer in Water, Sewer, Pipeline, Comm & Power Line Construction, closed at $241.00, -4.0%, on 2026-08-28, with a market cap of $19.4B, a trailing P/E of 47.5, a return on equity of 12.9%, a net margin of 2.8% and 3-year sales growth of 13.5%. Institutional ownership, earnings history and filed financials are on the tabs below.
Signal = open-market buys/sells (P/S); grants, exercises, tax, gifts are mechanics. Filings through 2026-06-30 only.
| Date | Insider | Role | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-03 | Csiszar Ernst N | Director | −Sell | 6,500 | $371.17 | $2M |
| 2026-05-15 | JOHNSON JULIA L | Director | +Grant | 95 | — | — |
| 2026-05-15 | Palomarez Javier Alberto | Director | −Tax w/h | 21 | $434.77 | $9,130 |
| 2026-05-15 | Palomarez Javier Alberto | Director | +Grant | 95 | — | — |
| 2026-05-15 | Campbell C Robert | Director | +Grant | 95 | — | — |
| 2026-05-15 | Parker Ava L | Director | −Tax w/h | 14 | $434.77 | $6,087 |
| 2026-05-15 | Parker Ava L | Director | +Grant | 121 | — | — |
| 2026-05-15 | Dwyer Robert J | Director | +Grant | 95 | — | — |
| 2026-05-15 | Dwyer Robert J | Director | −Tax w/h | 21 | $434.77 | $9,130 |
| 2026-05-15 | Csiszar Ernst N | Director | +Grant | 104 | — | — |
| 2026-05-15 | Csiszar Ernst N | Director | −Tax w/h | 23 | $434.77 | $10,000 |
| 2026-05-04 | Campbell C Robert | Director | −Sell | 3,000 | $417.00 | $1M |
| 2026-03-25 | Palomarez Javier Alberto | Director | −Sell | 950 | $325.43 | $309,159 |
| 2026-03-18 | MAS JOSE RAMON | Director,Officer | +Grant | 26,397 | — | — |
| 2026-03-18 | MAS JORGE | Director | +Grant | 15,838 | — | — |
| 2026-03-18 | de Cardenas Alberto | Officer | +Grant | 6,269 | — | — |
| 2026-03-18 | Apple Robert E | Officer | +Grant | 11,548 | — | — |
| 2026-03-18 | DiMarco Paul | Officer | +Grant | 9,074 | — | — |
| 2026-03-17 | Love Timothy Michael | Officer | +Grant | 492 | — | — |
| 2026-03-10 | de Cardenas Alberto | Officer | −Tax w/h | 4,838 | $297.81 | $1M |
| 2026-03-10 | Apple Robert E | Officer | −Tax w/h | 12,206 | $297.81 | $4M |
| 2026-03-10 | MAS JOSE RAMON | Director,Officer | −Tax w/h | 28,184 | $297.81 | $8M |
| 2026-03-10 | MAS JORGE | Director | −Tax w/h | 15,958 | $297.81 | $5M |
| 2026-03-03 | Csiszar Ernst N | Director | −Sell | 6,500 | $300.40 | $2M |
| 2026-02-13 | Parker Ava L | Director | +Grant | 195 | — | — |
| 2026-02-13 | Parker Ava L | Director | −Tax w/h | 22 | $269.53 | $5,930 |
| 2026-02-13 | Campbell C Robert | Director | +Grant | 154 | — | — |
| 2026-02-13 | Csiszar Ernst N | Director | +Grant | 168 | — | — |
| 2026-02-13 | Csiszar Ernst N | Director | −Tax w/h | 37 | $269.53 | $9,973 |
| 2026-02-13 | Dwyer Robert J | Director | −Tax w/h | 34 | $269.53 | $9,164 |
| 2026-02-13 | Dwyer Robert J | Director | +Grant | 154 | — | — |
| 2026-02-13 | JOHNSON JULIA L | Director | +Grant | 154 | — | — |
| 2026-02-13 | Palomarez Javier Alberto | Director | +Grant | 154 | — | — |
| 2026-02-13 | Palomarez Javier Alberto | Director | −Tax w/h | 34 | $269.53 | $9,164 |
| 2025-11-14 | Csiszar Ernst N | Director | +Grant | 235 | — | — |
| 2025-11-14 | Csiszar Ernst N | Director | −Tax w/h | 52 | $192.22 | $9,995 |
| 2025-11-14 | Parker Ava L | Director | −Tax w/h | 31 | $192.22 | $5,959 |
| 2025-11-14 | Parker Ava L | Director | +Grant | 274 | — | — |
| 2025-11-14 | Campbell C Robert | Director | +Grant | 215 | — | — |
| 2025-11-14 | Palomarez Javier Alberto | Director | −Tax w/h | 48 | $192.22 | $9,227 |
| 2025-11-14 | Palomarez Javier Alberto | Director | +Grant | 215 | — | — |
| 2025-11-14 | JOHNSON JULIA L | Director | +Grant | 215 | — | — |
| 2025-11-14 | Dwyer Robert J | Director | −Tax w/h | 48 | $192.22 | $9,227 |
| 2025-11-14 | Dwyer Robert J | Director | +Grant | 215 | — | — |
| 2025-11-03 | Love Timothy Michael | Officer | −Sell | 1,929 | $206.15 | $397,663 |
| 2025-10-10 | DiMarco Paul | Officer | −Tax w/h | 2,925 | $210.09 | $614,513 |
| 2025-10-10 | Love Timothy Michael | Officer | −Tax w/h | 621 | $210.09 | $130,466 |
| 2025-09-29 | Campbell C Robert | Director | −Sell | 2,000 | $210.39 | $420,780 |
| 2025-09-18 | Apple Robert E | Officer | −Sell | 100 | $201.06 | $20,106 |
| 2025-09-18 | Apple Robert E | Officer | −Sell | 9,900 | $200.43 | $2M |
| 2025-09-11 | Campbell C Robert | Director | −Sell | 3,000 | $190.39 | $571,170 |
| 2025-08-15 | Csiszar Ernst N | Director | −Tax w/h | 56 | $178.00 | $9,968 |
| 2025-08-15 | Csiszar Ernst N | Director | +Grant | 254 | — | — |
| 2025-08-15 | Dwyer Robert J | Director | −Tax w/h | 52 | $178.00 | $9,256 |
| 2025-08-15 | Dwyer Robert J | Director | +Grant | 232 | — | — |
| 2025-08-15 | JOHNSON JULIA L | Director | +Grant | 232 | — | — |
| 2025-08-15 | Palomarez Javier Alberto | Director | +Grant | 232 | — | — |
| 2025-08-15 | Palomarez Javier Alberto | Director | −Tax w/h | 52 | $178.00 | $9,256 |
| 2025-08-15 | Campbell C Robert | Director | +Grant | 232 | — | — |
| 2025-08-15 | Parker Ava L | Director | +Grant | 295 | — | — |
| 2025-08-15 | Parker Ava L | Director | −Tax w/h | 33 | $178.00 | $5,874 |
| 2025-08-05 | de Cardenas Alberto | Officer | −Sell | 100 | $180.70 | $18,070 |
| 2025-08-05 | de Cardenas Alberto | Officer | −Sell | 9,900 | $180.70 | $2M |
| 2025-07-16 | Apple Robert E | Officer | −Sell | 10,000 | $175.00 | $2M |
| 2025-05-15 | Parker Ava L | Director | −Tax w/h | 37 | $157.32 | $5,821 |
| 2025-05-15 | Parker Ava L | Director | +Grant | 334 | — | — |
| 2025-05-15 | Campbell C Robert | Director | +Grant | 263 | — | — |
| 2025-05-15 | Palomarez Javier Alberto | Director | −Tax w/h | 58 | $157.32 | $9,125 |
| 2025-05-15 | Palomarez Javier Alberto | Director | +Grant | 263 | — | — |
| 2025-05-15 | JOHNSON JULIA L | Director | +Grant | 263 | — | — |
| 2025-05-15 | Dwyer Robert J | Director | −Tax w/h | 58 | $157.32 | $9,125 |
| 2025-05-15 | Dwyer Robert J | Director | +Grant | 263 | — | — |
| 2025-05-15 | Csiszar Ernst N | Director | −Tax w/h | 64 | $157.32 | $10,068 |
| 2025-05-15 | Csiszar Ernst N | Director | +Grant | 287 | — | — |
| 2025-05-13 | Campbell C Robert | Director | −Sell | 2,000 | $155.00 | $310,000 |
| 2025-05-12 | Campbell C Robert | Director | −Sell | 3,000 | $153.89 | $461,670 |
| 2025-03-24 | Csiszar Ernst N | Director | −Sell | 2,517 | $131.63 | $331,313 |
| 2025-03-24 | de Cardenas Alberto | Officer | −Tax w/h | 4,319 | $124.03 | $535,686 |
| 2025-03-24 | MAS JOSE RAMON | Director,Officer | −Tax w/h | 23,691 | $124.03 | $3M |
| 2025-03-24 | Apple Robert E | Officer | −Tax w/h | 10,107 | $124.03 | $1M |
| 2025-03-18 | DiMarco Paul | Officer | +Grant | 20,571 | — | — |
| 2025-03-18 | Apple Robert E | Officer | +Grant | 27,154 | — | — |
| 2025-03-18 | de Cardenas Alberto | Officer | +Grant | 14,400 | — | — |
| 2025-03-18 | MAS JORGE | Director | +Grant | 37,028 | — | — |
| 2025-03-18 | MAS JOSE RAMON | Director,Officer | +Grant | 61,713 | — | — |
| 2025-03-18 | Love Timothy Michael | Officer | +Grant | 1,111 | — | — |
| 2025-02-14 | Parker Ava L | Director | +Grant | 387 | — | — |
| 2025-02-14 | Parker Ava L | Director | −Tax w/h | 43 | $135.78 | $5,839 |
| 2025-02-14 | Campbell C Robert | Director | +Grant | 304 | — | — |
| 2025-02-14 | Palomarez Javier Alberto | Director | −Tax w/h | 67 | $135.78 | $9,097 |
| 2025-02-14 | Palomarez Javier Alberto | Director | +Grant | 304 | — | — |
| 2025-02-14 | JOHNSON JULIA L | Director | +Grant | 304 | — | — |
| 2025-02-14 | Dwyer Robert J | Director | +Grant | 304 | — | — |
| 2025-02-14 | Dwyer Robert J | Director | −Tax w/h | 67 | $135.78 | $9,097 |
| 2025-02-14 | Csiszar Ernst N | Director | −Tax w/h | 74 | $135.78 | $10,048 |
| 2025-02-14 | Csiszar Ernst N | Director | +Grant | 332 | — | — |
| 2024-12-04 | Palomarez Javier Alberto | Director | −Sell | 200 | $143.00 | $28,600 |
| 2024-11-26 | Campbell C Robert | Director | −Sell | 3,000 | $145.00 | $435,000 |
| 2024-11-26 | Apple Robert E | Officer | −Sell | 10,000 | $150.00 | $2M |
| 2024-11-15 | Parker Ava L | Director | +Grant | 388 | — | — |
| 2024-11-15 | Parker Ava L | Director | −Tax w/h | 86 | $135.32 | $11,638 |
| 2024-11-15 | Campbell C Robert | Director | +Grant | 305 | — | — |
| 2024-11-15 | Palomarez Javier Alberto | Director | −Tax w/h | 68 | $135.32 | $9,202 |
| 2024-11-15 | Palomarez Javier Alberto | Director | +Grant | 305 | — | — |
| 2024-11-15 | JOHNSON JULIA L | Director | +Grant | 305 | — | — |
| 2024-11-15 | Dwyer Robert J | Director | −Tax w/h | 68 | $135.32 | $9,202 |
| 2024-11-15 | Dwyer Robert J | Director | +Grant | 305 | — | — |
| 2024-11-15 | Csiszar Ernst N | Director | −Tax w/h | 74 | $135.32 | $10,014 |
| 2024-11-15 | Csiszar Ernst N | Director | +Grant | 333 | — | — |
| 2024-11-11 | Campbell C Robert | Director | −Sell | 3,000 | $145.42 | $436,260 |
| 2024-11-06 | Love Timothy Michael | Officer | −Sell | 600 | $140.81 | $84,486 |
| 2024-11-01 | Apple Robert E | Officer | −Sell | 5,338 | $136.15 | $726,769 |
| 2024-11-01 | Apple Robert E | Officer | −Sell | 3,253 | $137.04 | $445,791 |
| 2024-11-01 | Apple Robert E | Officer | −Sell | 840 | $137.93 | $115,861 |
| 2024-11-01 | Apple Robert E | Officer | −Sell | 5,956 | $135.18 | $805,132 |
| 2024-11-01 | Apple Robert E | Officer | −Sell | 94 | $138.87 | $13,054 |
| 2024-11-01 | Apple Robert E | Officer | −Sell | 2,331 | $133.98 | $312,307 |
| 2024-11-01 | Apple Robert E | Officer | −Sell | 1,211 | $133.03 | $161,099 |
| 2024-10-13 | Love Timothy Michael | Officer | −Tax w/h | 329 | $127.39 | $41,911 |
| 2024-10-13 | DiMarco Paul | Officer | −Tax w/h | 493 | $127.39 | $62,803 |
SEC Form 3/4/5 through 2026-06-30 · P buy · S sell · A grant · M/X/C exercise · F tax · G gift.
A model's estimate — for research. See the Disclaimer.
