Csiszar Ernst N, a director at MasTec Inc. ($MTZ), sold common shares on the open market twice in the last year for a total of $2.3 million. His most recent sale occurred on March 3, 2026. These sales rank 3,232nd among 11,678 insiders in our database, where the average is $8.6 million across about 6.4 transactions. Csiszar Ernst N made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 3, 2026 | MASTEC INC | $MTZ | Csiszar Ernst N | Director | S | Common Stock | 6500 | $300.40 | 17,235.0000 | 78,900,930 | 27.39% | 0.01% |
| Feb. 13, 2026 | MASTEC INC | $MTZ | Csiszar Ernst N | Director | F | Common Stock | 37 | $269.53 | 23,735.0000 | 78,900,930 | 0.16% | 0.00% |
| Feb. 13, 2026 | MASTEC INC | $MTZ | Csiszar Ernst N | Director | A | Common Stock | 168 | $0.00 | 23,772.0000 | 78,900,930 | 0.71% | 0.00% |
| Nov. 14, 2025 | MASTEC INC | $MTZ | Csiszar Ernst N | Director | F | Common Stock | 52 | $192.22 | 23,604.0000 | 78,900,930 | 0.22% | 0.00% |
| Nov. 14, 2025 | MASTEC INC | $MTZ | Csiszar Ernst N | Director | A | Common Stock | 235 | $0.00 | 23,656.0000 | 78,900,930 | 1.00% | 0.00% |
| Aug. 15, 2025 | MASTEC INC | $MTZ | Csiszar Ernst N | Director | A | Common Stock | 254 | $0.00 | 23,477.0000 | 79,291,828 | 1.09% | 0.00% |
| Aug. 15, 2025 | MASTEC INC | $MTZ | Csiszar Ernst N | Director | F | Common Stock | 56 | $178.00 | 23,421.0000 | 79,291,828 | 0.24% | 0.00% |
| May 15, 2025 | MASTEC INC | $MTZ | Csiszar Ernst N | Director | A | Common Stock | 287 | $0.00 | 23,287.0000 | 79,291,828 | 1.25% | 0.00% |
| May 15, 2025 | MASTEC INC | $MTZ | Csiszar Ernst N | Director | F | Common Stock | 64 | $157.32 | 23,223.0000 | 79,291,828 | 0.27% | 0.00% |
| March 24, 2025 | MASTEC INC | $MTZ | Csiszar Ernst N | Director | S | Common Stock | 2517 | $131.63 | 23,000.0000 | 79,291,828 | 9.86% | 0.00% |
| Feb. 14, 2025 | MASTEC INC | $MTZ | Csiszar Ernst N | Director | A | Common Stock | 332 | $0.00 | 25,591.0000 | 0 | 1.31% | 0.00% |
| Feb. 14, 2025 | MASTEC INC | $MTZ | Csiszar Ernst N | Director | F | Common Stock | 74 | $135.78 | 25,517.0000 | 0 | 0.29% | 0.00% |
| Nov. 15, 2024 | MASTEC INC | $MTZ | Csiszar Ernst N | Director | A | Common Stock | 333 | $0.00 | 25,333.0000 | 0 | 1.33% | 0.00% |
| Nov. 15, 2024 | MASTEC INC | $MTZ | Csiszar Ernst N | Director | F | Common Stock | 74 | $135.32 | 25,259.0000 | 0 | 0.29% | 0.00% |
| Aug. 22, 2024 | MASTEC INC | $MTZ | Csiszar Ernst N | Director | S | Common Stock | 4853 | $110.96 | 25,000.0000 | 0 | 16.26% | 0.00% |
| Aug. 15, 2024 | MASTEC INC | $MTZ | Csiszar Ernst N | Director | A | Common Stock | 407 | $0.00 | 29,943.0000 | 0 | 1.38% | 0.00% |
| Aug. 15, 2024 | MASTEC INC | $MTZ | Csiszar Ernst N | Director | F | Common Stock | 90 | $110.78 | 29,853.0000 | 0 | 0.30% | 0.00% |
| May 15, 2024 | MASTEC INC | $MTZ | Csiszar Ernst N | Director | A | Common Stock | 443 | $0.00 | 29,634.0000 | 0 | 1.52% | 0.00% |
| May 15, 2024 | MASTEC INC | $MTZ | Csiszar Ernst N | Director | F | Common Stock | 98 | $106.99 | 29,536.0000 | 0 | 0.33% | 0.00% |
| Feb. 15, 2024 | MASTEC INC | $MTZ | Csiszar Ernst N | Director | A | Common Stock | 649 | $0.00 | 29,334.0000 | 0 | 2.26% | 0.00% |
| Feb. 15, 2024 | MASTEC INC | $MTZ | Csiszar Ernst N | Director | F | Common Stock | 143 | $72.98 | 29,191.0000 | 0 | 0.49% | 0.00% |