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United States Construction & Engineering

MasTec Inc (MTZ)

Track

Over the last 90 days, MasTec Inc. has seen significant insider selling, with a net value of -$6.39 million. A total of seven transactions were recorded, all of which were sales, indicating a net insider selling of -3.0. The stock has performed well, up 24.7% in 90 days, and is near its 52-week high.
Stock chart
Ticker: MTZ Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Csiszar Ernst N
2 sales — total 200,000 USD
Sale 3 Jun 2026
Value US$3,575,140.02 | Price 350.67 | Shares 556
Sale 3 Jun 2026
Value US$3,553,395.25 | Price 83.05 | Shares 64,381
Proposed sale 3 Jun 2026
Value US$2,231,650.70 | Price 209.12 | Shares 74,071
Sale 4 May 2026
Value US$1,251,000.00 | Price 417.00 | Shares 3,000
Proposed sale 4 May 2026
Value US$1,250,668.26 | Price 416.89 | Shares 3,000
Sale 25 Mar 2026
Value US$309,158.50 | Price 325.43 | Shares 950
Proposed sale 25 Mar 2026
Value US$306,897.00 | Price 323.05 | Shares 950
Sale 3 Mar 2026
Value US$1,952,600.00 | Price 300.40 | Shares 6,500
Proposed sale 3 Mar 2026
Value US$1,952,576.60 | Price 300.40 | Shares 6,500
Sale 3 Nov 2025
Value US$397,663.35 | Price 206.15 | Shares 1,929
Proposed sale 3 Nov 2025
Value US$397,661.00 | Price 206.15 | Shares 1,929
Sale 29 Sep 2025
Value US$420,780.00 | Price 210.39 | Shares 2,000
Planned sale 18 Sep 2025
Value US$20,106.00 | Price 201.06 | Shares 100
Planned sale 18 Sep 2025
Value US$1,984,257.00 | Price 200.43 | Shares 9,900
Proposed sale 18 Sep 2025
Value US$2,000,000.00 | Price 200.00 | Shares 10,000
Sale 11 Sep 2025
Value US$571,170.00 | Price 190.39 | Shares 3,000
Proposed sale 11 Sep 2025
Value US$571,170.00 | Price 190.39 | Shares 3,000
Sale 5 Aug 2025
Value US$1,788,880.50 | Price 180.70 | Shares 9,900
Sale 5 Aug 2025
Value US$18,069.50 | Price 180.70 | Shares 100
Proposed sale 4 Aug 2025
Value US$3,600,000.00 | Price 180.00 | Shares 20,000
Planned sale 16 Jul 2025
Value US$1,750,000.00 | Price 175.00 | Shares 10,000
Proposed sale 16 Jul 2025
Value US$1,750,000.00 | Price 175.00 | Shares 10,000
Proposed sale 13 May 2025
Value US$461,350.00 | Price 92.27 | Shares 5,000
Sale 13 May 2025
Value US$310,000.00 | Price 155.00 | Shares 2,000
Sale 12 May 2025
Value US$461,670.00 | Price 153.89 | Shares 3,000
Sale 24 Mar 2025
Value US$331,320.76 | Price 131.63 | Shares 2,517
Proposed sale 24 Mar 2025
Value US$331,320.76 | Price 131.63 | Shares 2,517
Sale 4 Dec 2024
Value US$28,600.00 | Price 143.00 | Shares 200
Proposed sale 29 Nov 2024
Value US$101,185.00 | Price 144.55 | Shares 700
Sale 26 Nov 2024
Value US$435,000.00 | Price 145.00 | Shares 3,000
Planned sale 26 Nov 2024
Value US$1,500,000.00 | Price 150.00 | Shares 10,000
Proposed sale 26 Nov 2024
Value US$1,500,000.00 | Price 150.00 | Shares 10,000
Sale 11 Nov 2024
Value US$436,245.00 | Price 145.42 | Shares 3,000
Sale 6 Nov 2024
Value US$84,485.28 | Price 140.81 | Shares 600
Proposed sale 6 Nov 2024
Value US$84,485.28 | Price 140.81 | Shares 600
Planned sale 1 Nov 2024
Value US$13,053.47 | Price 138.87 | Shares 94
Planned sale 1 Nov 2024
Value US$115,857.92 | Price 137.93 | Shares 840
Planned sale 1 Nov 2024
Value US$445,793.40 | Price 137.04 | Shares 3,253
Planned sale 1 Nov 2024
Value US$726,782.04 | Price 136.15 | Shares 5,338
Planned sale 1 Nov 2024
Value US$805,126.12 | Price 135.18 | Shares 5,956
Planned sale 1 Nov 2024
Value US$312,297.59 | Price 133.98 | Shares 2,331
Planned sale 1 Nov 2024
Value US$161,095.45 | Price 133.03 | Shares 1,211
Proposed sale 1 Nov 2024
Value US$2,580,005.79 | Price 135.63 | Shares 19,023
Planned sale 8 Oct 2024
Value US$23,010.00 | Price 130.00 | Shares 177
Proposed sale 8 Oct 2024
Value US$22,929.01 | Price 129.54 | Shares 177
Planned sale 7 Oct 2024
Value US$104,028.40 | Price 130.04 | Shares 800
Proposed sale 7 Oct 2024
Value US$103,946.16 | Price 129.93 | Shares 800
Planned sale 20 Sep 2024
Value US$1,275,000.00 | Price 127.50 | Shares 10,000
Planned sale 20 Sep 2024
Value US$1,250,400.00 | Price 125.04 | Shares 10,000
Proposed sale 20 Sep 2024
Value US$2,525,450.00 | Price 126.27 | Shares 20,000
Sale 18 Sep 2024
Value US$348,777.30 | Price 116.26 | Shares 3,000
Sale 22 Aug 2024
Value US$538,480.63 | Price 110.96 | Shares 4,853
Proposed sale 22 Aug 2024
Value US$538,480.63 | Price 110.96 | Shares 4,853
Sale 22 May 2024
Value US$220,000.00 | Price 110.00 | Shares 2,000
Sale 14 May 2024
Value US$324,000.00 | Price 108.00 | Shares 3,000
Sale 14 May 2024
Value US$70,200.00 | Price 108.00 | Shares 650
Sale 14 May 2024
Value US$70,200.00 | Price 108.00 | Shares 650
Sale 13 May 2024
Value US$304,017.76 | Price 106.67 | Shares 2,850
Sale 13 May 2024
Value US$304,017.76 | Price 106.67 | Shares 2,850
Proposed sale 13 May 2024
Value US$378,425.00 | Price 108.12 | Shares 3,500
Planned sale 2 Oct 2023
Value US$78,248.70 | Price 71.46 | Shares 1,095
Proposed sale 2 Oct 2023
Value US$78,248.70 | Price 71.46 | Shares 1,095
Planned sale 2 Oct 2023
Value US$95,038.20 | Price 71.35 | Shares 1,332
Proposed sale 2 Oct 2023
Value US$95,038.84 | Price 71.35 | Shares 1,332
Sale 17 May 2021
Value US$360,428.70 | Price 120.14 | Shares 3,000
Sale 23 Mar 2021
Value US$152,859.58 | Price 89.92 | Shares 1,700
Planned sale 17 Mar 2021
Value US$671,155.42 | Price 96.22 | Shares 6,975
Planned sale 17 Mar 2021
Value US$902,500.25 | Price 95.53 | Shares 9,447
Sale 10 Mar 2021
Value US$378,955.00 | Price 95.00 | Shares 3,989
Sale 8 Mar 2021
Value US$96,045.00 | Price 95.00 | Shares 1,011
Sale 5 Mar 2021
Value US$1,335,427.69 | Price 92.26 | Shares 14,474
Sale 3 Mar 2021
Value US$1,930,016.22 | Price 92.20 | Shares 20,932
Sale 2 Mar 2021
Value US$41,195.25 | Price 89.75 | Shares 459
Sale 1 Mar 2021
Value US$1,732,561.92 | Price 89.64 | Shares 19,328
Planned sale 7 Jan 2021
Value US$33,008.55 | Price 81.50 | Shares 405
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-05 2026-06-03 S Sale
2.0
Csiszar Ernst N
Non-Executive Director
556 +28.4%
350.67
US$3,575,140 		556 +28.4% 350.67 US$3,575,140
2026-06-05 2026-06-03 S Sale
2.0
Csiszar Ernst N
Non-Executive Director
64,381 +5.1%
83.05
US$3,553,395 		64,381 +5.1% 83.05 US$3,553,395
2026-06-03 2026-06-03 PrS Proposed sale
2.0
ERNEST N CSISZAR

Director

Non-Executive Director
74,071
209.12
US$2,231,651 		74,071 209.12 US$2,231,651
2026-05-06 2026-05-04 S Sale
2.7
Campbell C Robert
Non-Executive Director
3,000 -8.9%
417.00
US$1,251,000 		3,000 -8.9% 417.00 US$1,251,000
2026-05-04 2026-05-04 PrS Proposed sale
2.7
Campbell C Robert

Director

Non-Executive Director
3,000
416.89
US$1,250,668 		3,000 416.89 US$1,250,668
2026-03-27 2026-03-25 S Sale
2.4
Palomarez Javier Alberto
Non-Executive Director
950 -8.2%
325.43
US$309,158 		950 -8.2% 325.43 US$309,158
2026-03-25 2026-03-25 PrS Proposed sale
2.4
Palomarez Javier Alberto

Director

Non-Executive Director
950
323.05
US$306,897 		950 323.05 US$306,897
2026-03-05 2026-03-03 S Sale
2.0
Csiszar Ernst N
Non-Executive Director
6,500 -27.4%
300.40
US$1,952,600 		6,500 -27.4% 300.40 US$1,952,600
2026-03-03 2026-03-03 PrS Proposed sale
2.0
ERNEST N CSISZAR

Director

Non-Executive Director
6,500
300.40
US$1,952,577 		6,500 300.40 US$1,952,577
2025-11-05 2025-11-03 S Sale
1.4
Love Timothy Michael

CAO

Officer
1,929 -16.5%
206.15
US$397,663 		1,929 -16.5% 206.15 US$397,663
2025-11-03 2025-11-03 PrS Proposed sale
1.4
Love Timothy Michael

Officer

Officer
1,929
206.15
US$397,661 		1,929 206.15 US$397,661
2025-10-01 2025-09-29 S Sale
2.7
Campbell C Robert
Non-Executive Director
2,000 -5.7%
210.39
US$420,780 		2,000 -5.7% 210.39 US$420,780
2025-09-22 2025-09-18 PlS Planned sale
1.0
Apple Robert E

COO

Officer
100 -0.1%
201.06
US$20,106 		100 -0.1% 201.06 US$20,106
2025-09-22 2025-09-18 PlS Planned sale
1.0
Apple Robert E

COO

Officer
9,900 -5.1%
200.43
US$1,984,257 		9,900 -5.1% 200.43 US$1,984,257
2025-09-18 2025-09-18 PrS Proposed sale
1.0
Robert E Apple

Officer

Officer
10,000
200.00
US$2,000,000 		10,000 200.00 US$2,000,000
2025-09-16 2025-09-11 S Sale
2.7
Campbell C Robert
Non-Executive Director
3,000 -7.8%
190.39
US$571,170 		3,000 -7.8% 190.39 US$571,170
2025-09-11 2025-09-11 PrS Proposed sale
2.7
Campbell C Robert

Director

Non-Executive Director
3,000
190.39
US$571,170 		3,000 190.39 US$571,170
2025-08-07 2025-08-05 S Sale
1.4
de Cardenas Alberto

EVP, General Counsel

Officer
9,900 -8.9%
180.70
US$1,788,880 		9,900 -8.9% 180.70 US$1,788,880
2025-08-07 2025-08-05 S Sale
1.4
de Cardenas Alberto

EVP, General Counsel

Officer
100 -0.1%
180.70
US$18,070 		100 -0.1% 180.70 US$18,070
2025-08-05 2025-08-04 PrS Proposed sale
1.4
de Cardenas Alberto

Officer

Officer
20,000
180.00
US$3,600,000 		20,000 180.00 US$3,600,000
2025-07-18 2025-07-16 PlS Planned sale
1.0
Apple Robert E

COO

Officer
10,000 -4.9%
175.00
US$1,750,000 		10,000 -4.9% 175.00 US$1,750,000
2025-07-16 2025-07-16 PrS Proposed sale
1.0
Apple Robert E

Officer

Officer
10,000
175.00
US$1,750,000 		10,000 175.00 US$1,750,000
2025-05-23 2025-05-13 PrS Proposed sale
2.7
Campbell C Robert

Officer

Officer
5,000
92.27
US$461,350 		5,000 92.27 US$461,350
2025-05-14 2025-05-13 S Sale
2.7
Campbell C Robert
Non-Executive Director
2,000 -5.0%
155.00
US$310,000 		2,000 -5.0% 155.00 US$310,000
2025-05-14 2025-05-12 S Sale
2.7
Campbell C Robert
Non-Executive Director
3,000 -7.0%
153.89
US$461,670 		3,000 -7.0% 153.89 US$461,670
2025-03-26 2025-03-24 S Sale
2.0
Csiszar Ernst N
Non-Executive Director
2,517 -9.9%
131.63
US$331,321 		2,517 -9.9% 131.63 US$331,321
2025-03-24 2025-03-24 PrS Proposed sale
2.0
ERNEST N CSISZAR

Director

Non-Executive Director
2,517
131.63
US$331,321 		2,517 131.63 US$331,321
2024-12-06 2024-12-04 S Sale
2.4
Palomarez Javier Alberto
Non-Executive Director
200 -1.8%
143.00
US$28,600 		200 -1.8% 143.00 US$28,600
2024-11-29 2024-11-29 PrS Proposed sale
2.4
Palomarez Javier Alberto

Board of Directors

Non-Executive Director
700
144.55
US$101,185 		700 144.55 US$101,185
2024-11-29 2024-11-26 S Sale
2.7
Campbell C Robert
Non-Executive Director
3,000 -6.6%
145.00
US$435,000 		3,000 -6.6% 145.00 US$435,000
2024-11-29 2024-11-26 PlS Planned sale
1.0
Apple Robert E

COO

Officer
10,000 -5.1%
150.00
US$1,500,000 		10,000 -5.1% 150.00 US$1,500,000
2024-11-26 2024-11-26 PrS Proposed sale
1.0
Apple Robert E

Officer

Officer
10,000
150.00
US$1,500,000 		10,000 150.00 US$1,500,000
2024-11-13 2024-11-11 S Sale
2.7
Campbell C Robert
Non-Executive Director
3,000 -6.2%
145.42
US$436,245 		3,000 -6.2% 145.42 US$436,245
2024-11-08 2024-11-06 S Sale
1.4
Love Timothy Michael

CAO

Officer
600 -5.1%
140.81
US$84,485 		600 -5.1% 140.81 US$84,485
2024-11-06 2024-11-06 PrS Proposed sale
1.4
Love Timothy Michael

Officer

Officer
600
140.81
US$84,485 		600 140.81 US$84,485
2024-11-05 2024-11-01 PlS Planned sale
1.0
Apple Robert E

COO

Officer
94 -0.0%
138.87
US$13,053 		94 -0.0% 138.87 US$13,053
2024-11-05 2024-11-01 PlS Planned sale
1.0
Apple Robert E

COO

Officer
840 -0.4%
137.93
US$115,858 		840 -0.4% 137.93 US$115,858
2024-11-05 2024-11-01 PlS Planned sale
1.0
Apple Robert E

COO

Officer
3,253 -1.6%
137.04
US$445,793 		3,253 -1.6% 137.04 US$445,793
2024-11-05 2024-11-01 PlS Planned sale
1.0
Apple Robert E

COO

Officer
5,338 -2.6%
136.15
US$726,782 		5,338 -2.6% 136.15 US$726,782
2024-11-05 2024-11-01 PlS Planned sale
1.0
Apple Robert E

COO

Officer
5,956 -2.8%
135.18
US$805,126 		5,956 -2.8% 135.18 US$805,126
2024-11-05 2024-11-01 PlS Planned sale
1.0
Apple Robert E

COO

Officer
2,331 -1.1%
133.98
US$312,298 		2,331 -1.1% 133.98 US$312,298
2024-11-05 2024-11-01 PlS Planned sale
1.0
Apple Robert E

COO

Officer
1,211 -0.6%
133.03
US$161,095 		1,211 -0.6% 133.03 US$161,095
2024-11-01 2024-11-01 PrS Proposed sale
1.0
Apple Robert E

Officer

Officer
19,023
135.63
US$2,580,006 		19,023 135.63 US$2,580,006
2024-10-09 2024-10-08 PlS Planned sale
1.0
Apple Robert E

COO

Officer
177 -0.1%
130.00
US$23,010 		177 -0.1% 130.00 US$23,010
2024-10-08 2024-10-08 PrS Proposed sale
1.0
Apple Robert E

Officer

Officer
177
129.54
US$22,929 		177 129.54 US$22,929
2024-10-09 2024-10-07 PlS Planned sale
1.0
Apple Robert E

COO

Officer
800 -0.4%
130.04
US$104,028 		800 -0.4% 130.04 US$104,028
2024-10-07 2024-10-07 PrS Proposed sale
1.0
Apple Robert E

Officer

Officer
800
129.93
US$103,946 		800 129.93 US$103,946
2024-09-24 2024-09-20 PlS Planned sale
1.0
Apple Robert E

COO

Officer
10,000 -4.4%
127.50
US$1,275,000 		10,000 -4.4% 127.50 US$1,275,000
2024-09-24 2024-09-20 PlS Planned sale
1.0
Apple Robert E

COO

Officer
10,000 -4.2%
125.04
US$1,250,400 		10,000 -4.2% 125.04 US$1,250,400
2024-09-20 2024-09-20 PrS Proposed sale
1.0
Apple Robert E

Officer

Officer
20,000
126.27
US$2,525,450 		20,000 126.27 US$2,525,450
2024-09-20 2024-09-18 S Sale
2.7
Campbell C Robert
Non-Executive Director
3,000 -5.9%
116.26
US$348,777 		3,000 -5.9% 116.26 US$348,777
2024-08-26 2024-08-22 S Sale
2.0
Csiszar Ernst N
Non-Executive Director
4,853 -16.3%
110.96
US$538,481 		4,853 -16.3% 110.96 US$538,481
2024-08-22 2024-08-22 PrS Proposed sale
2.0
ERNEST N CSISZAR

Director

Non-Executive Director
4,853
110.96
US$538,481 		4,853 110.96 US$538,481
2024-05-24 2024-05-22 S Sale
2.7
Campbell C Robert
Non-Executive Director
2,000 -3.8%
110.00
US$220,000 		2,000 -3.8% 110.00 US$220,000
2024-05-16 2024-05-14 S Sale
2.7
Campbell C Robert
Non-Executive Director
3,000 -5.4%
108.00
US$324,000 		3,000 -5.4% 108.00 US$324,000
2024-05-15 2024-05-14 S Sale
2.4
Palomarez Javier Alberto
Non-Executive Director
650 -6.1%
108.00
US$70,200 		650 -6.1% 108.00 US$70,200
2024-05-15 2024-05-14 S Sale
2.4
Palomarez Javier Alberto
Non-Executive Director
650 -6.1%
108.00
US$70,200 		650 -6.1% 108.00 US$70,200
2024-05-15 2024-05-13 S Sale
2.4
Palomarez Javier Alberto
Non-Executive Director
2,850 -21.1%
106.67
US$304,018 		2,850 -21.1% 106.67 US$304,018
2024-05-15 2024-05-13 S Sale
2.4
Palomarez Javier Alberto
Non-Executive Director
2,850 -21.1%
106.67
US$304,018 		2,850 -21.1% 106.67 US$304,018
2024-05-13 2024-05-13 PrS Proposed sale
2.4
Palomarez Javier Alberto

board of director

Non-Executive Director
3,500
108.12
US$378,425 		3,500 108.12 US$378,425
2023-10-04 2023-10-02 PlS Planned sale
1.4
Love Timothy Michael

CAO

Officer
1,095 -9.4%
71.46
US$78,249 		1,095 -9.4% 71.46 US$78,249
2023-10-04 2023-10-02 PlS Planned sale
DiMarco Paul

CFO

Officer
1,332 -7.4%
71.35
US$95,038 		1,332 -7.4% 71.35 US$95,038
2023-10-02 2023-10-02 PrS Proposed sale
1.4
Love Timothy Michael

Officer

Officer
1,095
71.46
US$78,249 		1,095 71.46 US$78,249
2023-10-02 2023-10-02 PrS Proposed sale
DiMarco Paul

Officer

Officer
1,332
71.35
US$95,039 		1,332 71.35 US$95,039
2021-05-18 2021-05-17 S Sale
2.7
Campbell C Robert
Non-Executive Director
3,000 -5.7%
120.14
US$360,429 		3,000 -5.7% 120.14 US$360,429
2021-03-25 2021-03-23 S Sale
2.0
Csiszar Ernst N
Non-Executive Director
1,700 -6.0%
89.92
US$152,860 		1,700 -6.0% 89.92 US$152,860
2021-03-19 2021-03-17 PlS Planned sale
1.0
Apple Robert E

COO

Officer
6,975 -4.2%
96.22
US$671,155 		6,975 -4.2% 96.22 US$671,155
2021-03-19 2021-03-17 PlS Planned sale
1.0
Apple Robert E

COO

Officer
9,447 -5.4%
95.53
US$902,500 		9,447 -5.4% 95.53 US$902,500
2021-03-10 2021-03-10 S Sale
2.7
Campbell C Robert
Non-Executive Director
3,989 -7.1%
95.00
US$378,955 		3,989 -7.1% 95.00 US$378,955
2021-03-10 2021-03-08 S Sale
2.7
Campbell C Robert
Non-Executive Director
1,011 -1.8%
95.00
US$96,045 		1,011 -1.8% 95.00 US$96,045
2021-03-05 2021-03-05 S Sale
1.0
Apple Robert E

COO

Officer
14,474 -7.3%
92.26
US$1,335,428 		14,474 -7.3% 92.26 US$1,335,428
2021-03-05 2021-03-03 S Sale
1.0
Apple Robert E

COO

Officer
20,932 -9.6%
92.20
US$1,930,016 		20,932 -9.6% 92.20 US$1,930,016
2021-03-03 2021-03-02 S Sale
1.4
de Cardenas Alberto

EVP, General Counsel

Officer
459 -0.7%
89.75
US$41,195 		459 -0.7% 89.75 US$41,195
2021-03-03 2021-03-01 S Sale
1.4
de Cardenas Alberto

EVP, General Counsel

Officer
19,328 -22.5%
89.64
US$1,732,562 		19,328 -22.5% 89.64 US$1,732,562
2021-01-08 2021-01-07 PlS Planned sale
Pita George

CFO

Officer
405 -0.2%
81.50
US$33,009 		405 -0.2% 81.50 US$33,009
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