Csiszar Ernst N - Insider Non-Derivative Transactions at MASTEC INC (MTZ) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Nov 14, 2025, Csiszar Ernst N's relationship to MASTEC INC (MTZ) is Director, and currently has 23,656 shares of Common Stock.
The chart below shows the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other MTZ insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Csiszar Ernst N - Insider Non-Derivative Transactions of MTZ Common Stock
Csiszar Ernst N - Insider Non-Derivative Transactions at MTZ
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Nov 15, 2025 | F -- (Common Stock) | 52 | 192.22 | 23604 |
| Nov 15, 2025 | Acquisition -- (Common Stock) | 235 | 0 | 23656 |
| Aug 16, 2025 | F -- (Common Stock) | 56 | 178 | 23421 |
| Aug 16, 2025 | Acquisition -- (Common Stock) | 254 | 0 | 23477 |
| May 16, 2025 | F -- (Common Stock) | 64 | 157.32 | 23223 |
| May 16, 2025 | Acquisition -- (Common Stock) | 287 | 0 | 23287 |
| Mar 25, 2025 | Sell -- (Common Stock) | 2517 | 131.63 | 23000 |
| Feb 15, 2025 | F -- (Common Stock) | 74 | 135.78 | 25517 |
| Feb 15, 2025 | Acquisition -- (Common Stock) | 332 | 0 | 25591 |
| Nov 16, 2024 | F -- (Common Stock) | 74 | 135.32 | 25259 |
| Nov 16, 2024 | Acquisition -- (Common Stock) | 333 | 0 | 25333 |
| Aug 23, 2024 | Sell -- (Common Stock) | 4853 | 110.96 | 25000 |
| Aug 16, 2024 | F -- (Common Stock) | 90 | 110.78 | 29853 |
| Aug 16, 2024 | Acquisition -- (Common Stock) | 407 | 0 | 29943 |
| May 16, 2024 | F -- (Common Stock) | 98 | 106.99 | 29536 |
| May 16, 2024 | Acquisition -- (Common Stock) | 443 | 0 | 29634 |
| Feb 16, 2024 | F -- (Common Stock) | 143 | 72.98 | 29191 |
| Feb 16, 2024 | Acquisition -- (Common Stock) | 649 | 0 | 29334 |
| Nov 16, 2023 | F -- (Common Stock) | 194 | 53.68 | 28685 |
| Nov 16, 2023 | Acquisition -- (Common Stock) | 881 | 0 | 28879 |
| Aug 16, 2023 | F -- (Common Stock) | 111 | 93.79 | 27998 |
| Aug 16, 2023 | Acquisition -- (Common Stock) | 504 | 0 | 28109 |
| May 16, 2023 | F -- (Common Stock) | 108 | 97.05 | 27605 |
| May 16, 2023 | Acquisition -- (Common Stock) | 488 | 0 | 27713 |
| Feb 16, 2023 | F -- (Common Stock) | 105 | 99.72 | 27225 |
| Feb 16, 2023 | Acquisition -- (Common Stock) | 475 | 0 | 27330 |
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