ION GEOPHYSICAL CORP

CUSIP: 462044108 Class: COM

GOLDMAN SACHS GROUP INC's Holding History (CIK: 0000886982)

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

Q4 2015
Shares 1,871,766 Value ($000) $942 Avg Close — Range —
Q3 2015
Shares 313,999 Value ($000) $122 Avg Close — Range —
Q2 2015
Shares 306,751 Value ($000) $328 Avg Close — Range —
Q1 2015
Shares 328,823 Value ($000) $713 Avg Close — Range —
Q4 2014
Shares 651,888 Value ($000) $1,793 Avg Close — Range —
Q3 2014
Shares 379,326 Value ($000) $1,059 Avg Close — Range —
Q2 2014
Shares 387,781 Value ($000) $1,636 Avg Close — Range —
Q1 2014
Shares 301,688 Value ($000) $1,270 Avg Close — Range —
Q4 2013
Shares 247,550 Value ($000) $817 Avg Close — Range —
Q3 2013
Shares 323,478 Value ($000) $1,682 Avg Close — Range —
Q2 2013
Shares 172,163 Value ($000) $1,036 Avg Close — Range —
Q4 2012
Shares 235,397 Value ($000) $1,532 Avg Close — Range —
Q3 2012
Shares 259,035 Value ($000) $1,798 Avg Close — Range —
Q2 2012
Shares 276,666 Value ($000) $1,823 Avg Close — Range —
Q1 2012
Shares 119,282 Value ($000) $769 Avg Close — Range —