GOSSAMER BIO INC

Ticker: GOSS CUSIP: 38341P102 Class: Common Stock

Caption Management, LLC's Holding History (CIK: 0001706766)

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

Q4 2025

Shares 75,375 Value ($000) $234 Avg Close $2.85 Range $2.08 - $3.87

Q2 2025

Shares 25,480 Value ($000) $31 Avg Close $1.09 Range $0.76 - $1.44

Q1 2022

Shares 23,882 Value ($000) $207 Avg Close $9.64 Range $8.06 - $12.86

Q1 2020

Shares 40,000 Value ($000) $406 Avg Close $13.06 Range $7.52 - $15.76

Q3 2019

Shares 251,930 Value ($000) $4,230 Avg Close $19.88 Range $15.97 - $22.93

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	75,375	$234	$2.85	$2.08 - $3.87
Q2 2025	25,480	$31	$1.09	$0.76 - $1.44
Q1 2022	23,882	$207	$9.64	$8.06 - $12.86
Q1 2020	40,000	$406	$13.06	$7.52 - $15.76
Q3 2019	251,930	$4,230	$19.88	$15.97 - $22.93