ION GEOPHYSICAL CORP

CUSIP: 462044108 Class: COM

JPMORGAN CHASE & CO's Holding History (CIK: 0000019617)

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

Q3 2015
Shares 909,258 Value ($000) $355 Avg Close — Range —
Q2 2015
Shares 878,133 Value ($000) $939 Avg Close — Range —
Q1 2015
Shares 1,768,021 Value ($000) $3,837 Avg Close — Range —
Q4 2014
Shares 1,915,448 Value ($000) $5,267 Avg Close — Range —
Q3 2014
Shares 1,714,902 Value ($000) $4,784 Avg Close — Range —
Q2 2014
Shares 586,700 Value ($000) $2,476 Avg Close — Range —
Q1 2014
Shares 89,182 Value ($000) $376 Avg Close — Range —
Q4 2013
Shares 284,142 Value ($000) $938 Avg Close — Range —
Q3 2013
Shares 338,773 Value ($000) $1,762 Avg Close — Range —
Q2 2013
Shares 354,464 Value ($000) $2,133 Avg Close — Range —