Renaissance Technologies LLC 13D/13G Filings for ION Geophysical Corporation (IOGPQ)

Renaissance Technologies LLC 13D and 13G filings for ION Geophysical Corporation:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Shares have been adjusted for stock splits.
Time period
Reported
DateTime
Transaction
Date
Type Company
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev Report View
2022-02-10
4:37 pm
Sale
2021-12-31 13G ION Geophysical Corporation
IOGPQ
Renaissance Technologies LLC 0
0.000%
-1,004,267decrease
(Position Closed)
Filing
2021-02-11
09:44 am
Sale
2020-12-31 13G ION Geophysical Corporation
IOGPQ
Renaissance Technologies LLC 1,004,267
6.700%
-42,323decrease
(-4.04%)
Filing