GOSSAMER BIO INC

Ticker: GOSS CUSIP: 38341P102 Class: Common Stock

HighTower Advisors, LLC's Holding History (CIK: 0001462245)

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

Q4 2025

Shares 66,494 Value ($000) $206 Avg Close $2.85 Range $2.08 - $3.87

Q3 2025

Shares 19,501 Value ($000) $51 Avg Close $2.20 Range $1.20 - $3.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	66,494	$206	$2.85	$2.08 - $3.87
Q3 2025	19,501	$51	$2.20	$1.20 - $3.60