GOSSAMER BIO INC

Ticker: GOSS CUSIP: 38341P102 Class: Common Stock

Stonepine Capital Management, LLC's Holding History (CIK: 0001440771)

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

Q4 2025

Shares 204,770 Value ($000) $635 Avg Close $2.85 Range $2.08 - $3.87

Q3 2025

Shares 204,770 Value ($000) $539 Avg Close $2.20 Range $1.20 - $3.60

Q3 2023

Shares 3,339,405 Value ($000) $2,781 Avg Close $1.15 Range $0.76 - $1.88

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	204,770	$635	$2.85	$2.08 - $3.87
Q3 2025	204,770	$539	$2.20	$1.20 - $3.60
Q3 2023	3,339,405	$2,781	$1.15	$0.76 - $1.88