GOSSAMER BIO INC

Ticker: GOSS CUSIP: 38341P102 Class: Common Stock

Allworth Financial LP's Holding History (CIK: 0001555170)

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

Q4 2025

Shares 2,014 Value ($000) $6 Avg Close $2.85 Range $2.08 - $3.87

Q3 2025

Shares 991 Value ($000) $3 Avg Close $2.20 Range $1.20 - $3.60

Q3 2022

Shares 53 Value ($000) $1 Avg Close $12.41 Range $6.82 - $15.20

Q1 2021

Shares 100 Value ($000) $1 Avg Close $10.08 Range $8.41 - $11.91

Q4 2020

Shares 200 Value ($000) $2 Avg Close $9.85 Range $7.92 - $13.65

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,014	$6	$2.85	$2.08 - $3.87
Q3 2025	991	$3	$2.20	$1.20 - $3.60
Q3 2022	53	$1	$12.41	$6.82 - $15.20
Q1 2021	100	$1	$10.08	$8.41 - $11.91
Q4 2020	200	$2	$9.85	$7.92 - $13.65