ION GEOPHYSICAL CORP

CUSIP: 462044207 Class: COMMON STOCK

Invesco Ltd.'s Holding History (CIK: 0000914208)

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

Q4 2020
Shares 38,624 Value ($000) $94 Avg Close — Range —
Q3 2020
Shares 40,277 Value ($000) $60 Avg Close — Range —
Q2 2020
Shares 24,237 Value ($000) $56 Avg Close — Range —
Q1 2020
Shares 47,607 Value ($000) $60 Avg Close — Range —
Q4 2019
Shares 42,207 Value ($000) $366 Avg Close — Range —
Q3 2019
Shares 249,181 Value ($000) $2,272 Avg Close — Range —
Q2 2019
Shares 614,564 Value ($000) $4,947 Avg Close — Range —
Q1 2019
Shares 703,004 Value ($000) $10,151 Avg Close — Range —
Q4 2018
Shares 687,988 Value ($000) $3,564 Avg Close — Range —
Q3 2018
Shares 715,238 Value ($000) $11,122 Avg Close — Range —
Q2 2018
Shares 845,833 Value ($000) $20,555 Avg Close — Range —
Q1 2018
Shares 808,096 Value ($000) $21,900 Avg Close — Range —
Q4 2017
Shares 924,292 Value ($000) $18,254 Avg Close — Range —
Q3 2017
Shares 1,311,636 Value ($000) $12,474 Avg Close — Range —
Q2 2017
Shares 1,308,364 Value ($000) $5,692 Avg Close — Range —
Q1 2017
Shares 1,305,864 Value ($000) $6,334 Avg Close — Range —
Q4 2016
Shares 1,285,623 Value ($000) $7,714 Avg Close — Range —
Q3 2016
Shares 1,795,164 Value ($000) $12,297 Avg Close — Range —
Q2 2016
Shares 1,785,768 Value ($000) $11,126 Avg Close — Range —
Q1 2016
Shares 1,861,583 Value ($000) $15,042 Avg Close — Range —