MASTEC INC

Ticker: MTZ CUSIP: 576323109 Class: COM

Headlands Technologies LLC's Holding History (CIK: 0001570271)

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

Q4 2025

Shares 3,731 Value ($000) $811 Avg Close $209.86 Range $182.34 - $233.14

Q2 2025

Shares 1,694 Value ($000) $289 Avg Close $144.03 Range $99.70 - $172.71

Q1 2025

Shares 103 Value ($000) $12 Avg Close $134.92 Range $106.45 - $166.95

Q3 2024

Shares 3,332 Value ($000) $410 Avg Close $109.17 Range $89.96 - $127.97

Q3 2023

Shares 571 Value ($000) $41 Avg Close $99.67 Range $71.61 - $123.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,731	$811	$209.86	$182.34 - $233.14
Q2 2025	1,694	$289	$144.03	$99.70 - $172.71
Q1 2025	103	$12	$134.92	$106.45 - $166.95
Q3 2024	3,332	$410	$109.17	$89.96 - $127.97
Q3 2023	571	$41	$99.67	$71.61 - $123.33