Needham Investment Management’s Sientra, Inc. SIEN Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2023 Q1	–	Sell	-72,000	Closed	-$146K	–	127
2022 Q4	$146K	Sell	72,000 -160,000	-69%	-$553K	0.03%	114
2022 Q3	$1.49M	Buy	232,000 +20,165	+10%	+$160K	0.29%	72
2022 Q2	$1.77M	Sell	211,835 -11,750	-5%	-$160K	0.33%	72
2022 Q1	$4.96M	Buy	223,585 +335	+0.2%	+$9.18K	0.72%	50
2021 Q4	$8.19M	Buy	223,250 +86,750	+64%	+$4.2M	1.03%	36
2021 Q3	$7.82M	Buy	136,500 +35,000	+34%	+$2.39M	1.04%	35
2021 Q2	$8.08M	Sell	101,500 -28,500	-22%	-$2.02M	1.18%	31
2021 Q1	$9.48M	Buy	130,000 +30,000	+30%	+$1.91M	1.29%	30
2020 Q4	$3.89M	Buy	100,000 +55,000	+122%	+$2.47M	0.65%	50
2020 Q3	$1.53M	Buy	45,000 +30,000	+200%	+$1.14M	0.31%	68
2020 Q2	$581K	Buy	+15,000	New	+$452K	0.12%	81