ION GEOPHYSICAL CORP

CUSIP: 462044207 Class: COMMON STOCK

Creative Planning's Holding History (CIK: 0001540235)

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

Q2 2017
Shares 2,045 Value ($000) $9 Avg Close — Range —
Q1 2017
Shares 1,645 Value ($000) $8 Avg Close — Range —
Q4 2016
Shares 1,645 Value ($000) $10 Avg Close — Range —
Q3 2016
Shares 1,612 Value ($000) $11 Avg Close — Range —
Q2 2016
Shares 1,112 Value ($000) $7 Avg Close — Range —
Q1 2016
Shares 1,312 Value ($000) $11 Avg Close — Range —