MASTEC INC

Ticker: MTZ CUSIP: 576323109 Class: COM

FIRST NATIONAL BANK OF OMAHA's Holding History (CIK: 0000036644)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 20,648 Value ($000) $4,488 Avg Close $209.86 Range $182.34 - $233.14

Q3 2025

Shares 25,580 Value ($000) $5,444 Avg Close $183.12 Range $160.08 - $213.66

Q2 2025

Shares 26,872 Value ($000) $4,580 Avg Close $144.03 Range $99.70 - $172.71

Q1 2025

Shares 29,029 Value ($000) $3,388 Avg Close $134.92 Range $106.45 - $166.95

Q4 2024

Shares 29,950 Value ($000) $4,077 Avg Close $134.07 Range $118.86 - $150.12

Q3 2024

Shares 40,356 Value ($000) $4,968 Avg Close $109.17 Range $89.96 - $127.97

Q2 2024

Shares 58,142 Value ($000) $6,221 Avg Close $101.02 Range $82.29 - $113.12

Q1 2024

Shares 29,029 Value ($000) $3,388 Avg Close $76.04 Range $60.96 - $94.82

Q4 2023

Shares 38,361 Value ($000) $2,905 Avg Close $62.54 Range $44.65 - $76.56

Q3 2023

Shares 44,692 Value ($000) $3,216 Avg Close $99.67 Range $71.61 - $123.33

Q2 2023

Shares 51,489 Value ($000) $6,074 Avg Close $97.94 Range $84.80 - $118.32

Q1 2023

Shares 52,768 Value ($000) $4,983 Avg Close $95.07 Range $84.89 - $103.50

Q4 2022

Shares 55,041 Value ($000) $5 Avg Close $82.03 Range $62.36 - $96.54

Q3 2022

Shares 57,580 Value ($000) $3,656 Avg Close $77.37 Range $62.64 - $86.57

Q2 2022

Shares 60,058 Value ($000) $4,304 Avg Close $77.96 Range $67.31 - $92.03

Q1 2022

Shares 62,020 Value ($000) $5,402 Avg Close $87.37 Range $71.85 - $99.00

Q4 2021

Shares 64,619 Value ($000) $5,963 Avg Close $91.39 Range $83.90 - $104.21

Q3 2021

Shares 67,663 Value ($000) $5,838 Avg Close $94.87 Range $85.11 - $107.25

Q2 2021

Shares 101,358 Value ($000) $9,498 Avg Close $108.58 Range $93.16 - $122.33

Q1 2021

Shares 101,358 Value ($000) $9,498 Avg Close $85.57 Range $67.05 - $99.38

Q4 2020

Shares 114,812 Value ($000) $7,828 Avg Close $56.09 Range $40.18 - $71.11

Q3 2020

Shares 113,648 Value ($000) $4,796 Avg Close $42.99 Range $36.81 - $49.86

Q2 2020

Shares 73,285 Value ($000) $3,288 Avg Close $37.90 Range $28.39 - $48.32

Q1 2020

Shares 76,271 Value ($000) $2,496 Avg Close $50.87 Range $22.51 - $65.00

Q4 2019

Shares 97,752 Value ($000) $6,272 Avg Close $65.85 Range $59.85 - $73.71

Q3 2019

Shares 101,308 Value ($000) $6,578 Avg Close $58.36 Range $49.23 - $66.61

Q2 2019

Shares 100,218 Value ($000) $5,165 Avg Close $49.40 Range $45.52 - $53.80

Q1 2019

Shares 78,836 Value ($000) $3,792 Avg Close $44.93 Range $39.30 - $48.77

Q4 2018

Shares 79,033 Value ($000) $3,206 Avg Close $43.06 Range $37.24 - $51.77

Q3 2018

Shares 83,102 Value ($000) $3,710 Avg Close $46.29 Range $40.20 - $53.45

Q2 2018

Shares 85,858 Value ($000) $4,358 Avg Close $48.31 Range $43.90 - $54.70

Q1 2018

Shares 85,531 Value ($000) $4,024 Avg Close $50.70 Range $44.70 - $55.53

Q4 2017

Shares 85,495 Value ($000) $4,185 Avg Close $44.61 Range $39.83 - $51.20

Q3 2017

Shares 87,252 Value ($000) $4,049 Avg Close $43.56 Range $38.40 - $49.50

Q2 2017

Shares 68,434 Value ($000) $3,090 Avg Close $43.26 Range $38.33 - $47.90

Q1 2017

Shares 64,541 Value ($000) $2,585 Avg Close $38.26 Range $34.33 - $41.90

Q4 2016

Shares 5,735 Value ($000) $219 Avg Close $33.93 Range $27.10 - $40.90

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	20,648	$4,488	$209.86	$182.34 - $233.14
Q3 2025	25,580	$5,444	$183.12	$160.08 - $213.66
Q2 2025	26,872	$4,580	$144.03	$99.70 - $172.71
Q1 2025	29,029	$3,388	$134.92	$106.45 - $166.95
Q4 2024	29,950	$4,077	$134.07	$118.86 - $150.12
Q3 2024	40,356	$4,968	$109.17	$89.96 - $127.97
Q2 2024	58,142	$6,221	$101.02	$82.29 - $113.12
Q1 2024	29,029	$3,388	$76.04	$60.96 - $94.82
Q4 2023	38,361	$2,905	$62.54	$44.65 - $76.56
Q3 2023	44,692	$3,216	$99.67	$71.61 - $123.33
Q2 2023	51,489	$6,074	$97.94	$84.80 - $118.32
Q1 2023	52,768	$4,983	$95.07	$84.89 - $103.50
Q4 2022	55,041	$5	$82.03	$62.36 - $96.54
Q3 2022	57,580	$3,656	$77.37	$62.64 - $86.57
Q2 2022	60,058	$4,304	$77.96	$67.31 - $92.03
Q1 2022	62,020	$5,402	$87.37	$71.85 - $99.00
Q4 2021	64,619	$5,963	$91.39	$83.90 - $104.21
Q3 2021	67,663	$5,838	$94.87	$85.11 - $107.25
Q2 2021	101,358	$9,498	$108.58	$93.16 - $122.33
Q1 2021	101,358	$9,498	$85.57	$67.05 - $99.38
Q4 2020	114,812	$7,828	$56.09	$40.18 - $71.11
Q3 2020	113,648	$4,796	$42.99	$36.81 - $49.86
Q2 2020	73,285	$3,288	$37.90	$28.39 - $48.32
Q1 2020	76,271	$2,496	$50.87	$22.51 - $65.00
Q4 2019	97,752	$6,272	$65.85	$59.85 - $73.71
Q3 2019	101,308	$6,578	$58.36	$49.23 - $66.61
Q2 2019	100,218	$5,165	$49.40	$45.52 - $53.80
Q1 2019	78,836	$3,792	$44.93	$39.30 - $48.77
Q4 2018	79,033	$3,206	$43.06	$37.24 - $51.77
Q3 2018	83,102	$3,710	$46.29	$40.20 - $53.45
Q2 2018	85,858	$4,358	$48.31	$43.90 - $54.70
Q1 2018	85,531	$4,024	$50.70	$44.70 - $55.53
Q4 2017	85,495	$4,185	$44.61	$39.83 - $51.20
Q3 2017	87,252	$4,049	$43.56	$38.40 - $49.50
Q2 2017	68,434	$3,090	$43.26	$38.33 - $47.90
Q1 2017	64,541	$2,585	$38.26	$34.33 - $41.90
Q4 2016	5,735	$219	$33.93	$27.10 - $40.90