GOSSAMER BIO INC

Ticker: GOSS CUSIP: 38341P102 Class: Common Stock

PRELUDE CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001387508)

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

Q4 2025

Shares 136,200 Value ($000) $422 Avg Close $2.85 Range $2.08 - $3.87

Q3 2025

Shares 136,200 Value ($000) $358 Avg Close $2.20 Range $1.20 - $3.60

Q2 2025

Shares 374,169 Value ($000) $460 Avg Close $1.09 Range $0.76 - $1.44

Q1 2025

Shares 376,802 Value ($000) $414 Avg Close $1.16 Range $0.82 - $1.55

Q4 2024

Shares 414,847 Value ($000) $375 Avg Close $0.86 Range $0.66 - $1.10

Q3 2024

Shares 104,612 Value ($000) $103 Avg Close $0.96 Range $0.77 - $1.37

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	136,200	$422	$2.85	$2.08 - $3.87
Q3 2025	136,200	$358	$2.20	$1.20 - $3.60
Q2 2025	374,169	$460	$1.09	$0.76 - $1.44
Q1 2025	376,802	$414	$1.16	$0.82 - $1.55
Q4 2024	414,847	$375	$0.86	$0.66 - $1.10
Q3 2024	104,612	$103	$0.96	$0.77 - $1.37