ION GEOPHYSICAL CORP

CUSIP: 462044207 Class: COMMON STOCK

MACQUARIE GROUP LTD's Holding History (CIK: 0001418333)

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

Q3 2018
Shares 6,742 Value ($000) $105 Avg Close — Range —
Q2 2018
Shares 35,924 Value ($000) $873 Avg Close — Range —
Q1 2018
Shares 26,424 Value ($000) $716 Avg Close — Range —
Q4 2017
Shares 14,024 Value ($000) $277 Avg Close — Range —
Q3 2017
Shares 3,800 Value ($000) $36 Avg Close — Range —