ION GEOPHYSICAL CORP

CUSIP: 462044207 Class: COMMON STOCK

BARCLAYS PLC's Holding History (CIK: 0000312069)

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

Q3 2020
Shares 173 Value ($000) $0 Avg Close — Range —
Q4 2019
Shares 3,112 Value ($000) $27 Avg Close — Range —
Q3 2019
Shares 3,246 Value ($000) $29 Avg Close — Range —
Q2 2019
Shares 35,605 Value ($000) $287 Avg Close — Range —
Q1 2019
Shares 3,063 Value ($000) $44 Avg Close — Range —
Q3 2018
Shares 4,007 Value ($000) $62 Avg Close — Range —
Q2 2018
Shares 3,087 Value ($000) $75 Avg Close — Range —
Q1 2018
Shares 22,715 Value ($000) $616 Avg Close — Range —
Q4 2017
Shares 37,884 Value ($000) $749 Avg Close — Range —
Q2 2016
Shares 1,636 Value ($000) $10 Avg Close — Range —
Q1 2016
Shares 96 Value ($000) $1 Avg Close — Range —