GOSSAMER BIO INC

Ticker: GOSS CUSIP: 38341P102 Class: Common Stock

Hanson & Doremus Investment Management's Holding History (CIK: 0001393944)

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

Q1 2020

Shares 459 Value ($000) $5 Avg Close $13.06 Range $7.52 - $15.76

Q4 2019

Shares 459 Value ($000) $7 Avg Close $20.14 Range $14.16 - $27.15

Q3 2019

Shares 140 Value ($000) $2 Avg Close $19.88 Range $15.97 - $22.93

Q2 2019

Shares 140 Value ($000) $3 Avg Close $19.13 Range $15.59 - $23.17

Q1 2019

Shares 140 Value ($000) $3 Avg Close $20.85 Range $16.00 - $25.06

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	459	$5	$13.06	$7.52 - $15.76
Q4 2019	459	$7	$20.14	$14.16 - $27.15
Q3 2019	140	$2	$19.88	$15.97 - $22.93
Q2 2019	140	$3	$19.13	$15.59 - $23.17
Q1 2019	140	$3	$20.85	$16.00 - $25.06