MASTEC INC

Ticker: MTZ CUSIP: 576323109 Class: COM

MARINER INVESTMENT GROUP LLC's Holding History (CIK: 0001096978)

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

Q4 2025

Shares 14,500 Value ($000) $3,152 Avg Close $209.86 Range $182.34 - $233.14

Q3 2025

Shares 1,600 Value ($000) $340 Avg Close $183.12 Range $160.08 - $213.66

Q2 2025

Shares 5,000 Value ($000) $852 Avg Close $144.03 Range $99.70 - $172.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	14,500	$3,152	$209.86	$182.34 - $233.14
Q3 2025	1,600	$340	$183.12	$160.08 - $213.66
Q2 2025	5,000	$852	$144.03	$99.70 - $172.71