COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

LOUISBOURG INVESTMENTS INC.'s Holding History (CIK: 0002053050)

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

Q4 2025

Shares 90,322 Value ($000) $4,745 Avg Close $70.84 Range $62.00 - $85.24

Q3 2025

Shares 15,685 Value ($000) $1,052 Avg Close $88.37 Range $79.94 - $97.43

Q2 2025

Shares 26,530 Value ($000) $1,661 Avg Close $77.90 Range $71.21 - $83.68

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	90,322	$4,745	$70.84	$62.00 - $85.24
Q3 2025	15,685	$1,052	$88.37	$79.94 - $97.43
Q2 2025	26,530	$1,661	$77.90	$71.21 - $83.68