ION GEOPHYSICAL CORP

CUSIP: 462044207 Class: COMMON STOCK

WOLVERINE ASSET MANAGEMENT LLC's Holding History (CIK: 0001279891)

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

Q4 2021
Shares 360 Value ($000) $0 Avg Close — Range —
Q3 2021
Shares 360 Value ($000) $0 Avg Close — Range —
Q2 2021
Shares 360 Value ($000) $0 Avg Close — Range —
Q1 2021
Shares 360 Value ($000) $0 Avg Close — Range —
Q2 2016
Shares 47,500 Value ($000) $296 Avg Close — Range —