MASTEC INC

Ticker: MTZ CUSIP: 576323109 Class: COM

CULLEN/FROST BANKERS, INC.'s Holding History (CIK: 0000039263)

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

Q4 2025

Shares 748 Value ($000) $163 Avg Close $209.86 Range $182.34 - $233.14

Q3 2025

Shares 718 Value ($000) $153 Avg Close $183.12 Range $160.08 - $213.66

Q2 2025

Shares 289 Value ($000) $49 Avg Close $144.03 Range $99.70 - $172.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	748	$163	$209.86	$182.34 - $233.14
Q3 2025	718	$153	$183.12	$160.08 - $213.66
Q2 2025	289	$49	$144.03	$99.70 - $172.71