COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

Douglas Lane & Associates, LLC's Holding History (CIK: 0001672594)

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

Q4 2025

Shares 683,061 Value ($000) $45,929 Avg Close $70.84 Range $62.00 - $85.24

Q3 2025

Shares 654,782 Value ($000) $55,244 Avg Close $88.37 Range $79.94 - $97.43

Q2 2025

Shares 584,311 Value ($000) $46,979 Avg Close $77.90 Range $71.21 - $83.68

Q1 2025

Shares 556,751 Value ($000) $44,111 Avg Close $76.08 Range $68.41 - $83.03

Q4 2024

Shares 383,384 Value ($000) $27,446 Avg Close $75.52 Range $68.26 - $82.49

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	683,061	$45,929	$70.84	$62.00 - $85.24
Q3 2025	654,782	$55,244	$88.37	$79.94 - $97.43
Q2 2025	584,311	$46,979	$77.90	$71.21 - $83.68
Q1 2025	556,751	$44,111	$76.08	$68.41 - $83.03
Q4 2024	383,384	$27,446	$75.52	$68.26 - $82.49