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ION GEOPHYSICAL CORP
CUSIP: 462044207
Class: COMMON STOCK
AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)
Note: Option positions (PUT/CALL) are excluded.
Q1 2019
Shares
17,446
Value ($000)
$252
Avg Close
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Range
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Period
Shares
Value ($000)
Average Close
Price Range
Q1 2019
17,446
$252
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—