Elm Advisors’s Cerus CERS Stock Holding History

Quarter	Market Value	Status	Shares	Shares Change %	Trade Value	Portfolio Weight	Portfolio Position
2020 Q3	–	Sell	-27,500	Closed	-$182K	–	80
2020 Q2	$182K	Hold	27,500	–	–	0.13%	82
2020 Q1	$128K	Hold	27,500	–	–	0.1%	77
2019 Q4	$116K	Hold	27,500	–	–	0.07%	90
2019 Q3	$142K	Hold	27,500	–	–	0.1%	86
2019 Q2	$155K	Hold	27,500	–	–	0.11%	85
2019 Q1	$171K	Hold	27,500	–	–	0.12%	87
2018 Q4	$139K	Hold	27,500	–	–	0.11%	79
2018 Q3	$198K	Hold	27,500	–	–	0.13%	82
2018 Q2	$183K	Hold	27,500	–	–	0.14%	81
2018 Q1	$151K	Hold	27,500	–	–	0.12%	82
2017 Q4	$93K	Sell	27,500 -7,500	-21%	-$25.4K	0.07%	84
2017 Q3	$96K	Hold	35,000	–	–	0.08%	82
2017 Q2	$88K	Buy	35,000 +10,000	+40%	+$25.1K	0.07%	78
2017 Q1	$111K	Hold	25,000	–	–	0.09%	78
2016 Q4	$109K	Buy	25,000 +5,000	+25%	+$21.8K	0.1%	79
2016 Q3	$124K	Hold	20,000	–	–	0.12%	78
2016 Q2	$125K	Hold	20,000	–	–	0.12%	77
2016 Q1	$119K	Hold	20,000	–	–	0.12%	73
2015 Q4	$126K	Hold	20,000	–	–	0.12%	74
2015 Q3	$91K	Hold	20,000	–	–	0.09%	66
2015 Q2	$104K	Hold	20,000	–	–	0.1%	70
2015 Q1	$83K	Hold	20,000	–	–	0.08%	73
2014 Q4	$125K	Hold	20,000	–	–	0.11%	74
2014 Q3	$80K	Hold	20,000	–	–	0.08%	71
2014 Q2	$83K	Hold	20,000	–	–	0.08%	73
2014 Q1	$96K	Buy	20,000 +10,000	+100%	+$48K	0.09%	72
2013 Q4	$64K	Buy	+10,000	New	+$64K	0.06%	72