GOSSAMER BIO INC

Ticker: GOSS CUSIP: 38341P102 Class: Common Stock

FIRST MANHATTAN CO. LLC.'s Holding History (CIK: 0000728083)

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

Q4 2020

Shares 60 Value ($000) $0 Avg Close $9.85 Range $7.92 - $13.65

Q3 2020

Shares 60 Value ($000) $0 Avg Close $13.26 Range $11.16 - $15.42

Q2 2020

Shares 60 Value ($000) $0 Avg Close $12.58 Range $9.46 - $16.79

Q1 2020

Shares 60 Value ($000) $0 Avg Close $13.06 Range $7.52 - $15.76

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	60	$0	$9.85	$7.92 - $13.65
Q3 2020	60	$0	$13.26	$11.16 - $15.42
Q2 2020	60	$0	$12.58	$9.46 - $16.79
Q1 2020	60	$0	$13.06	$7.52 - $15.76