CERUS CORP

Ticker: CERS CUSIP: 157085101 Class: COM

OBERWEIS ASSET MANAGEMENT INC/'s Holding History (CIK: 0000937886)

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

Q4 2022

Shares 283,900 Value ($000) $1,036 Avg Close $3.77 Range $3.25 - $4.25

Q3 2022

Shares 210,600 Value ($000) $758 Avg Close $4.78 Range $3.39 - $5.95

Q2 2022

Shares 196,300 Value ($000) $1,038 Avg Close $4.99 Range $4.35 - $5.74

Q1 2022

Shares 199,600 Value ($000) $1,096 Avg Close $5.54 Range $4.67 - $7.01

Q4 2021

Shares 143,100 Value ($000) $975 Avg Close $6.73 Range $5.90 - $8.06

Q3 2021

Shares 143,100 Value ($000) $871 Avg Close $5.83 Range $4.67 - $6.70

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2022	283,900	$1,036	$3.77	$3.25 - $4.25
Q3 2022	210,600	$758	$4.78	$3.39 - $5.95
Q2 2022	196,300	$1,038	$4.99	$4.35 - $5.74
Q1 2022	199,600	$1,096	$5.54	$4.67 - $7.01
Q4 2021	143,100	$975	$6.73	$5.90 - $8.06
Q3 2021	143,100	$871	$5.83	$4.67 - $6.70