MASTEC INC

Ticker: MTZ CUSIP: 576323109 Class: COM

Polymer Capital Management (US) LLC's Holding History (CIK: 0001973324)

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

Q4 2025

Shares 2,400 Value ($000) $522 Avg Close $209.86 Range $182.34 - $233.14

Q3 2025

Shares 6,377 Value ($000) $1,357 Avg Close $183.12 Range $160.08 - $213.66

Q2 2025

Shares 1,571 Value ($000) $268 Avg Close $144.03 Range $99.70 - $172.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,400	$522	$209.86	$182.34 - $233.14
Q3 2025	6,377	$1,357	$183.12	$160.08 - $213.66
Q2 2025	1,571	$268	$144.03	$99.70 - $172.71