GOSSAMER BIO INC

Ticker: GOSS CUSIP: 38341P102 Class: Common Stock

Madison Avenue Partners, LP's Holding History (CIK: 0001801265)

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

Q1 2024

Shares 4,140,773 Value ($000) $4,886 Avg Close $1.10 Range $0.76 - $1.60

Q4 2023

Shares 5,054,472 Value ($000) $4,612 Avg Close $0.74 Range $0.45 - $1.13

Q3 2023

Shares 6,130,268 Value ($000) $5,105 Avg Close $1.15 Range $0.76 - $1.88

Q4 2022

Shares 711,178 Value ($000) $1,543 Avg Close $8.23 Range $1.57 - $13.68

Q3 2022

Shares 1,386,962 Value ($000) $16,616 Avg Close $12.41 Range $6.82 - $15.20

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2024	4,140,773	$4,886	$1.10	$0.76 - $1.60
Q4 2023	5,054,472	$4,612	$0.74	$0.45 - $1.13
Q3 2023	6,130,268	$5,105	$1.15	$0.76 - $1.88
Q4 2022	711,178	$1,543	$8.23	$1.57 - $13.68
Q3 2022	1,386,962	$16,616	$12.41	$6.82 - $15.20