ION GEOPHYSICAL CORP

CUSIP: 462044108 Class: COM

CITIGROUP INC's Holding History (CIK: 0000831001)

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

Q4 2015
Shares 43,625 Value ($000) $22 Avg Close — Range —
Q3 2015
Shares 39,362 Value ($000) $15 Avg Close — Range —
Q2 2015
Shares 1,833 Value ($000) $2 Avg Close — Range —
Q1 2015
Shares 57,498 Value ($000) $125 Avg Close — Range —
Q4 2014
Shares 117,734 Value ($000) $323 Avg Close — Range —
Q3 2014
Shares 44,449 Value ($000) $124 Avg Close — Range —
Q2 2014
Shares 29,598 Value ($000) $125 Avg Close — Range —
Q1 2014
Shares 262,124 Value ($000) $1,104 Avg Close — Range —
Q4 2013
Shares 84,590 Value ($000) $280 Avg Close — Range —
Q3 2013
Shares 38,688 Value ($000) $201 Avg Close — Range —
Q2 2013
Shares 93,015 Value ($000) $560 Avg Close — Range —