ION GEOPHYSICAL CORP

CUSIP: 462044108 Class: COM

JACOBS LEVY EQUITY MANAGEMENT, INC's Holding History (CIK: 0000884414)

Note: Option positions (PUT/CALL) are excluded.

Q4 2015
Shares 861,163 Value ($000) $433 Avg Close — Range —
Q3 2014
Shares 39,000 Value ($000) $109 Avg Close — Range —
Q2 2014
Shares 232,110 Value ($000) $980 Avg Close — Range —
Q1 2014
Shares 348,101 Value ($000) $1,466 Avg Close — Range —