ION GEOPHYSICAL CORP

CUSIP: 462044108 Class: COM

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

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

Q3 2015
Shares 51,796 Value ($000) $20 Avg Close — Range —
Q2 2015
Shares 51,796 Value ($000) $55 Avg Close — Range —
Q1 2015
Shares 51,796 Value ($000) $112 Avg Close — Range —
Q4 2014
Shares 51,796 Value ($000) $142 Avg Close — Range —
Q3 2014
Shares 51,796 Value ($000) $145 Avg Close — Range —
Q2 2014
Shares 51,796 Value ($000) $219 Avg Close — Range —
Q1 2014
Shares 41,196 Value ($000) $173 Avg Close — Range —
Q4 2013
Shares 743,996 Value ($000) $2,455 Avg Close — Range —
Q3 2013
Shares 346,396 Value ($000) $1,801 Avg Close — Range —
Q2 2013
Shares 42,196 Value ($000) $254 Avg Close — Range —