NumerixS Investment Technologies’s Clean Harbors CLH Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2020 Q3	–	Sell	-2,865	Closed	-$172K	–	169
2020 Q2	$172K	Sell	2,865 -440	-13%	-$24.5K	0.05%	423
2020 Q1	$170K	Buy	3,305 +1,905	+136%	+$139K	0.09%	279
2019 Q4	$120K	Buy	1,400 +1,200	+600%	+$97.5K	0.02%	627
2019 Q3	$15K	Buy	+200	New	+$14.8K	﹤0.01%	905
2019 Q2	–	Sell	-7,000	Closed	-$496K	–	1106
2019 Q1	$496K	Buy	7,000 +3,300	+89%	+$204K	0.07%	351
2018 Q4	$178K	Buy	+3,700	New	+$230K	0.06%	379
2018 Q3	–	Sell	-500	Closed	-$27K	–	1212
2018 Q2	$27K	Buy	500 +300	+150%	+$15.4K	0.01%	993
2018 Q1	$10K	Sell	200 -4,600	-96%	-$241K	﹤0.01%	980
2017 Q4	$260K	Buy	4,800 +4,300	+860%	+$233K	0.06%	386
2017 Q3	$28K	Buy	+500	New	+$27.2K	0.01%	1013
2016 Q4	–	Sell	-1,300	Closed	-$62K	–	1148
2016 Q3	$62K	Buy	+1,300	New	+$64.4K	0.01%	925
2016 Q1	–	Sell	-11,900	Closed	-$496K	–	846
2015 Q4	$496K	Buy	+11,900	New	+$517K	0.06%	429
2015 Q2	–	Sell	-8,600	Closed	-$488K	–	644
2015 Q1	$488K	Buy	+8,600	New	+$445K	0.09%	322