B. Riley Wealth Advisors’s Bio-Rad Laboratories Class A BIO Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2023 Q3	–	Sell	-807	Closed	-$306K	–	1494
2023 Q2	$306K	Buy	+807	New	+$328K	0.01%	1111
2022 Q1	–	Sell	-608	Closed	-$460K	–	1395
2021 Q4	$460K	Buy	608 +29	+5%	+$21.7K	0.01%	858
2021 Q3	$432K	Buy	579 +255	+79%	+$191K	0.01%	847
2021 Q2	$209K	Buy	+324	New	+$197K	0.01%	1198
2021 Q1	–	Sell	-921	Closed	-$538K	–	1355
2020 Q4	$538K	Buy	921 +44	+5%	+$25.1K	0.03%	520
2020 Q3	$453K	Buy	877 +63	+8%	+$31.9K	0.02%	568
2020 Q2	$368K	Buy	814 +47	+6%	+$20.7K	0.02%	557
2020 Q1	$270K	Buy	767 +9	+1%	+$3.31K	0.02%	574
2019 Q4	$282K	Buy	+758	New	+$267K	0.02%	622
2015 Q1	–	Sell	-86	Closed	-$10	–	720
2014 Q4	$10	Buy	+86	New	+$9.9K	﹤0.01%	2856
2014 Q3	–	Sell	-76	Closed	-$9.1K	–	774
2014 Q2	$9.1K	Buy	+76	New	+$9.28K	﹤0.01%	1824