STERLING INFRASTRUCTURE INC

Ticker: STRL CUSIP: 859241101 Class: COM

HARTLINE INVESTMENT CORP/'s Holding History (CIK: 0000945625)

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

Q4 2025

Shares 5,907 Value ($000) $1,809 Avg Close $344.54 Range $281.58 - $419.14

Q3 2025

Shares 14,165 Value ($000) $4,812 Avg Close $283.87 Range $217.07 - $376.75

Q2 2025

Shares 1,100 Value ($000) $254 Avg Close $174.59 Range $96.34 - $235.23

Q1 2024

Shares 1,900 Value ($000) $210 Avg Close $90.79 Range $69.61 - $116.36

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	5,907	$1,809	$344.54	$281.58 - $419.14
Q3 2025	14,165	$4,812	$283.87	$217.07 - $376.75
Q2 2025	1,100	$254	$174.59	$96.34 - $235.23
Q1 2024	1,900	$210	$90.79	$69.61 - $116.36