Ernst N. Csiszar serves as Executive at MASTEC INC, where they oversee executive responsibilities. Since joining the company, Ernst N. Csiszar has executed 142 insider transactions totaling $2.0M, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 14, 2025 involved receiving (via award) 235 shares valued at $0.
Ernst N. Csiszar currently holds 23,656 shares of MASTEC INC (MTZ), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Ernst N. Csiszar has been a net seller of MTZ stock. They have purchased $0 and sold $2.0M worth of shares.
Ernst N. Csiszar's most recent insider trade was on Nov 14, 2025, when they sold 235 shares at $0.00 per share.
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| $192.22 |
| Discretionary |
| Aug 15, 2025 | MTZ | $10.0K | Payment | 56 | $178.00 | Discretionary |
| Aug 15, 2025 | MTZ | $0 | Award | 254 | $N/A | Discretionary |
| Aug 22, 2024 | MTZ | $538.5K | Sale | 4,853 | $110.96 | Discretionary |
| Aug 15, 2024 | MTZ | $0 | Award | 407 | $N/A | Discretionary |
| Aug 15, 2024 | MTZ | $10.0K | Payment | 90 | $110.78 | Discretionary |
| May 15, 2024 | MTZ | $10.5K | Payment | 98 | $106.99 | Discretionary |
| May 15, 2024 | MTZ | $0 | Award | 443 | $N/A | Discretionary |
| Feb 15, 2024 | MTZ | $10.4K | Payment | 143 | $72.98 | Discretionary |
| Feb 15, 2024 | MTZ | $0 | Award | 649 | $N/A | Discretionary |
| Nov 15, 2023 | MTZ | $10.4K | Payment | 194 | $53.68 | Discretionary |
| Nov 15, 2023 | MTZ | $0 | Award | 881 | $N/A | Discretionary |
| Aug 15, 2023 | MTZ | $10.4K | Payment | 111 | $93.79 | Discretionary |
| Aug 15, 2023 | MTZ | $0 | Award | 504 | $N/A | Discretionary |
| May 15, 2023 | MTZ | $10.5K | Payment | 108 | $97.05 | Discretionary |
| May 15, 2023 | MTZ | $0 | Award | 488 | $N/A | Discretionary |
| Feb 15, 2023 | MTZ | $10.5K | Payment | 105 | $99.72 | Discretionary |
| Feb 15, 2023 | MTZ | $0 | Award | 475 | $N/A | Discretionary |
| Nov 15, 2022 | MTZ | $0 | Award | 514 | $N/A | Discretionary |
| Nov 15, 2022 | MTZ | $10.5K | Payment | 114 | $92.09 | Discretionary |
| Aug 15, 2022 | MTZ | $0 | Award | 576 | $N/A | Discretionary |
| Aug 15, 2022 | MTZ | $10.4K | Payment | 127 | $82.23 | Discretionary |
| May 13, 2022 | MTZ | $0 | Award | 411 | $N/A | Discretionary |
| May 13, 2022 | MTZ | $7.1K | Payment | 91 | $77.74 | Discretionary |
| Feb 15, 2022 | MTZ | $0 | Award | 344 | $N/A | Discretionary |
| Feb 15, 2022 | MTZ | $7.1K | Payment | 76 | $92.88 | Discretionary |
| Dec 29, 2021 | MTZ | $0 | Gift | 324 | $N/A | Discretionary |
| Nov 15, 2021 | MTZ | $7.1K | Payment | 76 | $93.74 | Discretionary |
| Nov 15, 2021 | MTZ | $0 | Award | 341 | $N/A | Discretionary |