David A. Siegel Ion Geophysical Corporation Transaction History

Two Sigma Advisers, LP

9 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2020 Nov 16, 2020	SELL	N/A	-33,113 Closed	0 $0
Q2 2020 Aug 14, 2020	SELL	N/A	-19,100 Reduced 36.58%	33,113 $77,000
Q1 2020 May 15, 2020	BUY	N/A	5,600 Added 12.01%	52,213 $66,000
Q4 2019 Feb 14, 2020	SELL	N/A	-5,413 Reduced 10.4%	46,613 $405,000
Q3 2019 Nov 14, 2019	BUY	N/A	1,500 Added 2.97%	52,026 $474,000
Q4 2018 Feb 14, 2019	SELL	N/A	-11,486 Reduced 18.52%	50,526 $262,000
Q3 2018 Nov 14, 2018	BUY	N/A	5,221 Added 9.19%	62,012 $964,000
Q2 2018 Aug 14, 2018	BUY	N/A	37,713 Added 197.68%	56,791 $1.38 Million
Q1 2018 May 15, 2018	BUY	N/A	19,078 New	19,078 $517,000

47.4K

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