COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

Grove Bank & Trust's Holding History (CIK: 0001662212)

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

Q4 2025

Shares 5,882 Value ($000) $396 Avg Close $70.84 Range $62.00 - $85.24

Q3 2025

Shares 14,268 Value ($000) $1,204 Avg Close $88.37 Range $79.94 - $97.43

Q2 2025

Shares 15,350 Value ($000) $1,234 Avg Close $77.90 Range $71.21 - $83.68

Q1 2025

Shares 14,139 Value ($000) $1,120 Avg Close $76.08 Range $68.41 - $83.03

Q4 2024

Shares 13,791 Value ($000) $987 Avg Close $75.52 Range $68.26 - $82.49

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	5,882	$396	$70.84	$62.00 - $85.24
Q3 2025	14,268	$1,204	$88.37	$79.94 - $97.43
Q2 2025	15,350	$1,234	$77.90	$71.21 - $83.68
Q1 2025	14,139	$1,120	$76.08	$68.41 - $83.03
Q4 2024	13,791	$987	$75.52	$68.26 - $82.49