Greylin Investment Management’s Ambarella AMBA Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2018 Q4	–	Sell	-5,650	Closed	-$219K	–	76
2018 Q3	$219K	Sell	5,650 -13,403	-70%	-$519K	0.05%	73
2018 Q2	$736K	Sell	19,053 -3,347	-15%	-$158K	0.16%	50
2018 Q1	$1.1M	Sell	22,400 -775	-3%	-$40.2K	0.24%	44
2017 Q4	$1.36M	Sell	23,175 -3,370	-13%	-$187K	0.29%	37
2017 Q3	$1.3M	Buy	26,545 +4,030	+18%	+$199K	0.3%	37
2017 Q2	$1.09M	Buy	22,515 +785	+4%	+$43.5K	0.25%	40
2017 Q1	$1.19M	Buy	21,730 +550	+3%	+$29.7K	0.28%	38
2016 Q4	$1.15M	Sell	21,180 -750	-3%	-$45.2K	0.28%	37
2016 Q3	$1.61M	Sell	21,930 -900	-4%	-$56.4K	0.4%	32
2016 Q2	$1.16M	Buy	22,830 +11,225	+97%	+$496K	0.29%	36
2016 Q1	$519K	Buy	11,605 +3,080	+36%	+$127K	0.14%	47
2015 Q4	$475K	Buy	+8,525	New	+$480K	0.13%	46