COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

Bank of Marin's Holding History (CIK: 0001801145)

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

Q4 2025

Shares 7,396 Value ($000) $497 Avg Close $70.84 Range $62.00 - $85.24

Q3 2025

Shares 5,925 Value ($000) $500 Avg Close $88.37 Range $79.94 - $97.43

Q2 2025

Shares 5,684 Value ($000) $457 Avg Close $77.90 Range $71.21 - $83.68

Q1 2025

Shares 5,312 Value ($000) $421 Avg Close $76.08 Range $68.41 - $83.03

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	7,396	$497	$70.84	$62.00 - $85.24
Q3 2025	5,925	$500	$88.37	$79.94 - $97.43
Q2 2025	5,684	$457	$77.90	$71.21 - $83.68
Q1 2025	5,312	$421	$76.08	$68.41 - $83.03