COLUMBIA BKG SYS INC

Ticker: COLB CUSIP: 197236102 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q2 2024

Shares 657 Value ($000) $13 Avg Close $17.32 Range $15.45 - $18.88

Q1 2024

Shares 5,978 Value ($000) $116 Avg Close $18.38 Range $15.54 - $24.11

Q4 2023

Shares 338 Value ($000) $9 Avg Close $19.53 Range $15.67 - $24.93

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2024	657	$13	$17.32	$15.45 - $18.88
Q1 2024	5,978	$116	$18.38	$15.54 - $24.11
Q4 2023	338	$9	$19.53	$15.67 - $24.93