David A. Siegel Amtech Systems Inc Transaction History

Two Sigma Advisers, LP

15 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2023 Nov 14, 2023	SELL	$7.32 - $10.91 $21,960 - $32,730	-3,000 Reduced 19.61%	12,300 $93,000
Q2 2023 Aug 14, 2023	SELL	$8.5 - $10.21 $93,500 - $112,310	-11,000 Reduced 41.83%	15,300 $146,000
Q1 2023 May 15, 2023	SELL	$7.98 - $11.18 $4,788 - $6,708	-600 Reduced 2.23%	26,300 $250,000
Q4 2022 Feb 14, 2023	SELL	$7.54 - $11.05 $34,684 - $50,830	-4,600 Reduced 14.6%	26,900 $204,000
Q3 2022 Nov 14, 2022	SELL	$6.87 - $12.93 $19,236 - $36,204	-2,800 Reduced 8.16%	31,500 $268,000
Q2 2022 Aug 15, 2022	SELL	$7.25 - $10.19 $37,700 - $52,988	-5,200 Reduced 13.16%	34,300 $250,000
Q1 2022 May 16, 2022	SELL	$8.07 - $10.96 $79,893 - $108,504	-9,900 Reduced 20.04%	39,500 $397,000
Q4 2021 Feb 14, 2022	BUY	$8.62 - $15.51 $21,549 - $38,775	2,500 Added 5.33%	49,400 $488,000
Q3 2021 Nov 15, 2021	SELL	$8.88 - $12.5 $336,552 - $473,750	-37,900 Reduced 44.69%	46,900 $536,000
Q2 2021 Aug 16, 2021	BUY	$8.79 - $14.13 $337,535 - $542,592	38,400 Added 82.76%	84,800 $817,000
Q1 2021 May 17, 2021	BUY	$6.36 - $12.32 $295,104 - $571,648	46,400 New	46,400 $548,000
Q3 2018 Nov 14, 2018	SELL	$4.64 - $6.16 $84,912 - $112,728	-18,300 Closed	0 $0
Q2 2018 Aug 14, 2018	BUY	$6.05 - $10.22 $16,335 - $27,594	2,700 Added 17.31%	18,300 $111,000
Q1 2018 May 15, 2018	SELL	$6.93 - $11.37 $87,318 - $143,262	-12,600 Reduced 44.68%	15,600 $114,000
Q4 2017 Feb 14, 2018	BUY	$9.45 - $15.25 $266,490 - $430,050	28,200	28,200 $284,000

8.35M

1.6K

4.1K

Ticker ASYS
Exchange NASDAQ
Sector Technology
Industry Semiconductor Equipment & Materials
Shares Outstandng 13,889,300
Market Cap $71.1M
Description
Amtech Systems, Inc. manufactures and sells capital equipment and related consumables for use in fabricating silicon carbide (SiC), silicon power devices, analog and discrete devices, electronic assemblies, and light-emitting diodes (LEDs) worldwide. The company operates in Semiconductor and Material and Substrate segments. The Semiconductor seg...

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