COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

HM PAYSON & CO's Holding History (CIK: 0000928052)

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

Q4 2025

Shares 92 Value ($000) $6 Avg Close $70.84 Range $62.00 - $85.24

Q3 2025

Shares 50 Value ($000) $4 Avg Close $88.37 Range $79.94 - $97.43

Q2 2025

Shares 50 Value ($000) $4 Avg Close $77.90 Range $71.21 - $83.68

Q3 2024

Shares 2 Value ($000) $0 Avg Close $75.84 Range $70.86 - $81.63

Q3 2023

Shares 50 Value ($000) $4 Avg Close $82.85 Range $75.78 - $92.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	92	$6	$70.84	$62.00 - $85.24
Q3 2025	50	$4	$88.37	$79.94 - $97.43
Q2 2025	50	$4	$77.90	$71.21 - $83.68
Q3 2024	2	$0	$75.84	$70.86 - $81.63
Q3 2023	50	$4	$82.85	$75.78 - $92.30