MASTEC INC

Ticker: MTZ CUSIP: 576323109 Class: COM

CHESAPEAKE CAPITAL CORP /IL/'s Holding History (CIK: 0001093908)

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

Q4 2025

Shares 3,405 Value ($000) $740 Avg Close $209.86 Range $182.34 - $233.14

Q3 2025

Shares 3,405 Value ($000) $725 Avg Close $183.12 Range $160.08 - $213.66

Q4 2024

Shares 3,910 Value ($000) $532 Avg Close $134.07 Range $118.86 - $150.12

Q3 2024

Shares 3,910 Value ($000) $480 Avg Close $109.17 Range $89.96 - $127.97

Q2 2024

Shares 2,820 Value ($000) $302 Avg Close $101.02 Range $82.29 - $113.12

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,405	$740	$209.86	$182.34 - $233.14
Q3 2025	3,405	$725	$183.12	$160.08 - $213.66
Q4 2024	3,910	$532	$134.07	$118.86 - $150.12
Q3 2024	3,910	$480	$109.17	$89.96 - $127.97
Q2 2024	2,820	$302	$101.02	$82.29 - $113.12