ION GEOPHYSICAL CORP

CUSIP: 462044207 Class: COMMON STOCK

O'SHAUGHNESSY ASSET MANAGEMENT, LLC's Holding History (CIK: 0001423442)

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

Q4 2019
Shares 1,542 Value ($000) $13 Avg Close — Range —
Q3 2018
Shares 37,669 Value ($000) $583 Avg Close — Range —
Q2 2018
Shares 48,687 Value ($000) $1,179 Avg Close — Range —
Q1 2018
Shares 57,060 Value ($000) $1,546 Avg Close — Range —
Q4 2017
Shares 21,152 Value ($000) $418 Avg Close — Range —
Q3 2017
Shares 9,585 Value ($000) $91 Avg Close — Range —