ION GEOPHYSICAL CORP

CUSIP: 462044207 Class: COMMON STOCK

1 NORTH WEALTH SERVICES LLC's Holding History (CIK: 0001641761)

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

Q4 2019
Shares 1 Value ($000) $0 Avg Close — Range —
Q3 2019
Shares 1 Value ($000) $0 Avg Close — Range —
Q1 2019
Shares 1 Value ($000) $0 Avg Close — Range —
Q4 2018
Shares 1 Value ($000) $0 Avg Close — Range —