ION GEOPHYSICAL CORP

CUSIP: 462044207 Class: COMMON STOCK

NEUBERGER BERMAN GROUP LLC's Holding History (CIK: 0001465109)

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

Q1 2022
Shares 245,442 Value ($000) $214 Avg Close — Range —
Q4 2021
Shares 250,385 Value ($000) $220 Avg Close — Range —
Q3 2021
Shares 251,212 Value ($000) $334 Avg Close — Range —
Q2 2021
Shares 263,843 Value ($000) $552 Avg Close — Range —
Q1 2021
Shares 273,069 Value ($000) $584 Avg Close — Range —
Q4 2020
Shares 284,018 Value ($000) $690 Avg Close — Range —
Q3 2020
Shares 292,350 Value ($000) $438 Avg Close — Range —
Q2 2020
Shares 301,650 Value ($000) $706 Avg Close — Range —
Q1 2020
Shares 324,709 Value ($000) $413 Avg Close — Range —
Q4 2019
Shares 496,623 Value ($000) $4,311 Avg Close — Range —
Q3 2019
Shares 480,187 Value ($000) $4,377 Avg Close — Range —
Q2 2019
Shares 449,551 Value ($000) $3,618 Avg Close — Range —
Q1 2019
Shares 456,428 Value ($000) $6,593 Avg Close — Range —
Q4 2018
Shares 418,740 Value ($000) $2,171 Avg Close — Range —
Q3 2018
Shares 403,216 Value ($000) $6,269 Avg Close — Range —
Q2 2018
Shares 230,967 Value ($000) $5,613 Avg Close — Range —
Q1 2018
Shares 178,788 Value ($000) $4,841 Avg Close — Range —
Q4 2017
Shares 149,445 Value ($000) $2,952 Avg Close — Range —
Q3 2017
Shares 180,868 Value ($000) $1,720 Avg Close — Range —
Q2 2017
Shares 177,127 Value ($000) $771 Avg Close — Range —
Q1 2017
Shares 186,140 Value ($000) $903 Avg Close — Range —
Q4 2016
Shares 179,050 Value ($000) $1,074 Avg Close — Range —
Q3 2016
Shares 186,732 Value ($000) $1,279 Avg Close — Range —
Q2 2016
Shares 183,959 Value ($000) $1,147 Avg Close — Range —
Q1 2016
Shares 188,596 Value ($000) $1,524 Avg Close — Range —