GOSSAMER BIO INC

Ticker: GOSS CUSIP: 38341P102 Class: Common Stock

BRIGHTON JONES LLC's Holding History (CIK: 0001360798)

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

Q3 2025

Shares 13,754 Value ($000) $36 Avg Close $2.20 Range $1.20 - $3.60

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	13,754	$36	$2.20	$1.20 - $3.60