MasTec, Inc.
US ˙ NYSE ˙ US5763231090

SecurityMTZ / MasTec, Inc.
InsiderErnst N Csiszar
This page shows the track record and history of Csiszar Ernst N insider trades in MasTec, Inc.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Ernst N Csiszar in MTZ / MasTec, Inc.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Max
Price at
Max
Max
Profit ($)
Max Return (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

MTZ / MasTec, Inc. Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Ernst N Csiszar in MTZ / MasTec, Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Min
Price at
Min
Max Loss
Avoided ($)
Max Loss
Avoided (%)
2025-03-24 2,517 131.6332 2,517 131.6332 331,321 11 106.0700 -64,342 -19.42
2024-08-22 4,853 110.9583 4,853 110.9583 538,481
2021-03-29 1,564 91.0062 1,564 91.0062 142,334
2021-03-23 1,700 89.9174 1,700 89.9174 152,860
2019-09-10 3,000 64.5251 3,000 64.5251 193,575
2012-11-27 10,000 22.8352 10,000 22.8352 228,352

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

MTZ / MasTec, Inc. Insider Trades
Insider Transaction History
File
Date
Trade
Date
Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price
Unit
Price
Units
Changed
Value
Changed (1K)
Remaining
Options
Remaining
Shares
2025-08-19 2025-08-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 178.0000 -56 -10 23,421
2025-08-19 2025-08-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 254 23,477
2025-05-19 2025-05-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 157.3200 -64 -10 23,223
2025-05-19 2025-05-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 287 23,287
2025-03-26 2025-03-24 4 Csiszar Ernst N MTZ Common Stock S - Sale D 131.6332 -2,517 -331 23,000
2025-02-19 2025-02-14 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 135.7800 -74 -10 25,517
2025-02-19 2025-02-14 4 Csiszar Ernst N MTZ Common Stock A - Award D 332 25,591
2024-11-19 2024-11-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 135.3200 -74 -10 25,259
2024-11-19 2024-11-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 333 25,333
2024-08-26 2024-08-22 4 Csiszar Ernst N MTZ Common Stock S - Sale D 110.9583 -4,853 -538 25,000
2024-08-19 2024-08-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 110.7800 -90 -10 29,853
2024-08-19 2024-08-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 407 29,943
2024-05-17 2024-05-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 106.9900 -98 -10 29,536
2024-05-17 2024-05-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 443 29,634
2024-02-20 2024-02-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 72.9800 -143 -10 29,191
2024-02-20 2024-02-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 649 29,334
2023-11-17 2023-11-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 53.6800 -194 -10 28,685
2023-11-17 2023-11-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 881 28,879
2023-08-17 2023-08-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 93.7900 -111 -10 27,998
2023-08-17 2023-08-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 504 28,109
2023-05-17 2023-05-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 97.0500 -108 -10 27,605
2023-05-17 2023-05-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 488 27,713
2023-02-17 2023-02-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 99.7200 -105 -10 27,225
2023-02-17 2023-02-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 475 27,330
2022-11-17 2022-11-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 92.0900 -114 -10 26,855
2022-11-17 2022-11-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 514 26,969
2022-08-17 2022-08-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 82.2300 -127 -10 26,455
2022-08-17 2022-08-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 576 26,582
2022-05-17 2022-05-13 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 77.7400 -91 -7 26,006
2022-05-17 2022-05-13 4 Csiszar Ernst N MTZ Common Stock A - Award D 411 26,097
2022-02-17 2022-02-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 92.8800 -76 -7 25,686
2022-02-17 2022-02-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 344 25,762
2022-01-03 2021-12-29 4 Csiszar Ernst N MTZ Common Stock G - Gift D -324 25,418
2021-11-17 2021-11-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 93.7400 -76 -7 25,742
2021-11-17 2021-11-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 341 25,818
2021-08-17 2021-08-13 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 93.2100 -76 -7 25,477
2021-08-17 2021-08-13 4 Csiszar Ernst N MTZ Common Stock A - Award D 343 25,553
2021-05-18 2021-05-14 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 118.4100 -60 -7 25,210
2021-05-18 2021-05-14 4 Csiszar Ernst N MTZ Common Stock A - Award D 270 25,270
2021-03-31 2021-03-29 4 Csiszar Ernst N MTZ Common Stock S - Sale D 91.0062 -1,564 -142 25,000
2021-03-25 2021-03-23 4 Csiszar Ernst N MTZ Common Stock S - Sale D 89.9174 -1,700 -153 26,564
2021-02-17 2021-02-12 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 86.5700 -82 -7 28,264
2021-02-17 2021-02-12 4 Csiszar Ernst N MTZ Common Stock A - Award D 369 28,346
2020-11-17 2020-11-13 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 53.8500 -131 -7 27,977
2020-11-17 2020-11-13 4 Csiszar Ernst N MTZ Common Stock A - Award D 593 28,108
2020-08-18 2020-08-14 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 46.2400 -152 -7 27,515
2020-08-18 2020-08-14 4 Csiszar Ernst N MTZ Common Stock A - Award D 690 27,667
2020-05-19 2020-05-15 4 Csiszar Ernst N MTZ Common stock F - Taxes D 33.1200 -213 -7 26,977
2020-05-19 2020-05-15 4 Csiszar Ernst N MTZ Common stock A - Award D 964 27,190
2020-02-19 2020-02-14 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 60.5000 -117 -7 26,226
2020-02-19 2020-02-14 4 Csiszar Ernst N MTZ Common Stock A - Award D 528 26,343
2019-11-19 2019-11-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 71.9600 -71 -5 25,815
2019-11-19 2019-11-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 322 25,886
2019-09-12 2019-09-10 4 Csiszar Ernst N MTZ Common Stock S - Sale D 64.5251 -3,000 -194 25,564
2019-08-19 2019-08-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 59.0800 -87 -5 28,564
2019-08-19 2019-08-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 391 28,651
2019-05-17 2019-05-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 47.8700 -107 -5 28,260
2019-05-17 2019-05-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 483 28,367
2019-02-19 2019-02-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 43.4600 -118 -5 27,884
2019-02-19 2019-02-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 532 28,002
2018-11-19 2018-11-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 46.4500 -125 -6 27,470
2018-11-19 2018-11-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 498 27,595
2018-08-17 2018-08-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 44.6000 -130 -6 27,097
2018-08-17 2018-08-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 518 27,227
2018-05-17 2018-05-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 48.8500 -119 -6 26,709
2018-05-17 2018-05-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 473 26,828
2018-02-20 2018-02-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 50.6000 -115 -6 26,355
2018-02-20 2018-02-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 457 26,470
2017-11-17 2017-11-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 39.9300 -145 -6 26,013
2017-11-17 2017-11-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 579 26,158
2017-08-17 2017-08-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 40.0000 -145 -6 25,579
2017-08-17 2017-08-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 578 25,724
2017-05-17 2017-05-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 43.3500 -134 -6 25,146
2017-05-17 2017-05-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 533 25,280
2017-02-17 2017-02-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 39.2000 -148 -6 24,747
2017-02-17 2017-02-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 590 24,895
2016-11-16 2016-11-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 37.9000 -153 -6 24,305
2016-11-16 2016-11-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 610 24,458
2016-08-17 2016-08-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 30.5800 -189 -6 23,848
2016-08-17 2016-08-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 756 24,037
2016-05-17 2016-05-13 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 21.2800 -272 -6 23,281
2016-05-17 2016-05-13 4 Csiszar Ernst N MTZ Common Stock A - Award D 1,086 23,553
2016-02-17 2016-02-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 13.2600 -436 -6 22,467
2016-02-17 2016-02-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 1,743 22,903
2015-11-17 2015-11-13 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 16.8100 -343 -6 21,160
2015-11-17 2015-11-13 4 Csiszar Ernst N MTZ Common Stock A - Award D 1,375 21,503
2015-08-18 2015-08-14 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 17.4100 -331 -6 20,128
2015-08-18 2015-08-14 4 Csiszar Ernst N MTZ Common Stock A - Award D 1,327 20,459
2015-05-01 2015-04-29 4 Csiszar Ernst N MTZ Common Stock A - Award D 2,964 19,132
2015-02-18 2015-02-13 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 20.7500 -278 -6 16,168
2015-02-18 2015-02-13 4 Csiszar Ernst N MTZ Common Stock A - Award D 1,114 16,446
2014-11-18 2014-11-14 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 25.1300 -230 -6 15,332
2014-11-18 2014-11-14 4 Csiszar Ernst N MTZ Common Stock A - Award D 920 15,562
2014-08-19 2014-08-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 28.7000 -201 -6 14,642
2014-08-19 2014-08-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 805 14,843
2014-05-19 2014-05-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 39.0600 -98 -4 14,038
2014-05-19 2014-05-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 395 14,136
2014-02-19 2014-02-14 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 36.5800 -105 -4 13,741
2014-02-19 2014-02-14 4 Csiszar Ernst N MTZ Common Stock A - Award D 422 13,846
2013-11-19 2013-11-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 31.6500 -122 -4 13,424
2013-11-19 2013-11-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 488 13,546
2013-08-16 2013-08-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 32.3600 -119 -4 13,058
2013-08-16 2013-08-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 477 13,177
2013-05-16 2013-05-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 32.4800 -118 -4 12,700
2013-05-16 2013-05-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 475 12,818
2013-02-19 2013-02-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 29.8800 -129 -4 12,343
2013-02-19 2013-02-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 517 12,472
2012-11-29 2012-11-27 4 Csiszar Ernst N MTZ Common Stock S - Sale D 22.8352 -10,000 -228 11,955
2012-11-19 2012-11-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 21.7000 -177 -4 21,955
2012-11-19 2012-11-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 711 22,132
2012-08-17 2012-08-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 18.4600 -209 -4 21,421
2012-08-17 2012-08-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 836 21,630
2012-08-16 2012-05-15 4/A Csiszar Ernst N MTZ Common Stock F - Taxes D 16.3700 -193 -3 20,794
2012-08-16 2012-05-15 4/A Csiszar Ernst N MTZ Common Stock A - Award D 774 20,987
2012-05-17 2012-05-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 16.3700 -193 -3 15,953
2012-05-17 2012-05-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 774 16,146
2012-02-17 2012-02-15 4 Csiszar Ernst N MTZ Common Stock F - Taxes D 17.6000 -180 -3 20,213
2012-02-17 2012-02-15 4 Csiszar Ernst N MTZ Common Stock A - Award D 720 20,393
2006-05-22 2006-05-18 4 Csiszar Ernst N MTZ Common Stock A - Award D 4,000 8,841
2005-10-19 3 Csiszar Ernst N MTZ Common Stock D 4,841
P
Pembelian sekuritas non-derivatif atau derivatif di pasar terbuka atau secara pribadi.
S
Penjualan terbuka atau penjualan pribadi atas sekuritas non-derivatif atau derivatif.
A
Hibah, penghargaan, atau perolehan sekuritas lainnya dari perusahaan (seperti opsi)
C
Konversi turunan
D
Penjualan atau pengalihan sekuritas kembali ke perusahaan.
F
Pembayaran harga pelaksanaan atau kewajiban pajak menggunakan sebagian sekuritas yang diterima dari perusahaan.
G
Pemberian sekuritas oleh atau kepada orang dalam.
K
Swap ekuitas dan transaksi lindung nilai serupa
M
Pelaksanaan atau konversi sekuritas derivatif yang diterima dari perusahaan (seperti opsi)
V
Transaksi yang dilaporkan secara sukarela pada Formulir 4.
J
Lainnya (disertai dengan catatan kaki yang menjelaskan transaksi tersebut)