GOSSAMER BIO INC

Ticker: GOSS CUSIP: 38341P102 Class: Common Stock

JONES FINANCIAL COMPANIES LLLP's Holding History (CIK: 0000815917)

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

Q4 2025

Shares 19,766 Value ($000) $61 Avg Close $2.85 Range $2.08 - $3.87

Q3 2025

Shares 17,360 Value ($000) $47 Avg Close $2.20 Range $1.20 - $3.60

Q2 2025

Shares 7,333 Value ($000) $9 Avg Close $1.09 Range $0.76 - $1.44

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	19,766	$61	$2.85	$2.08 - $3.87
Q3 2025	17,360	$47	$2.20	$1.20 - $3.60
Q2 2025	7,333	$9	$1.09	$0.76 - $1.44