GOSSAMER BIO INC

Ticker: GOSS CUSIP: 38341P102 Class: Common Stock

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 17,056,878 Value ($000) $52,876 Avg Close $2.85 Range $2.08 - $3.87

Q3 2025

Shares 13,846,054 Value ($000) $36,415 Avg Close $2.20 Range $1.20 - $3.60

Q2 2025

Shares 12,142,596 Value ($000) $14,935 Avg Close $1.09 Range $0.76 - $1.44

Q1 2025

Shares 3,072,773 Value ($000) $3,380 Avg Close $1.16 Range $0.82 - $1.55

Q4 2024

Shares 3,029,209 Value ($000) $2,740 Avg Close $0.86 Range $0.66 - $1.10

Q3 2024

Shares 2,805,642 Value ($000) $2,767 Avg Close $0.96 Range $0.77 - $1.37

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	17,056,878	$52,876	$2.85	$2.08 - $3.87
Q3 2025	13,846,054	$36,415	$2.20	$1.20 - $3.60
Q2 2025	12,142,596	$14,935	$1.09	$0.76 - $1.44
Q1 2025	3,072,773	$3,380	$1.16	$0.82 - $1.55
Q4 2024	3,029,209	$2,740	$0.86	$0.66 - $1.10
Q3 2024	2,805,642	$2,767	$0.96	$0.77 - $1.37