ION GEOPHYSICAL CORP

CUSIP: 462044207 Class: COMMON STOCK

FARMERS & MERCHANTS INVESTMENTS INC's Holding History (CIK: 0001259969)

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

Q1 2021
Shares 20,763 Value ($000) $44 Avg Close — Range —
Q4 2020
Shares 20,763 Value ($000) $50 Avg Close — Range —
Q3 2020
Shares 28,763 Value ($000) $43 Avg Close — Range —