ION GEOPHYSICAL CORP

CUSIP: 462044207 Class: COMMON STOCK

UBS ASSET MANAGEMENT AMERICAS INC's Holding History (CIK: 0000861177)

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

Q3 2018
Shares 201 Value ($000) $3,126 Avg Close — Range —
Q2 2018
Shares 201 Value ($000) $4,884 Avg Close — Range —