GERON CORP

Ticker: GERN CUSIP: 374163103 Class: COM

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q4 2022

Shares 28 Value ($000) $0 Avg Close $2.24 Range $1.96 - $2.50

Q1 2018

Shares 25,874 Value ($000) $110 Avg Close $2.70 Range $1.78 - $6.68

Q4 2017

Shares 90,349 Value ($000) $163 Avg Close $2.02 Range $1.74 - $2.36

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2022	28	$0	$2.24	$1.96 - $2.50
Q1 2018	25,874	$110	$2.70	$1.78 - $6.68
Q4 2017	90,349	$163	$2.02	$1.74 - $2.36