ION GEOPHYSICAL CORP

CUSIP: 462044207 Class: COMMON STOCK

RENAISSANCE TECHNOLOGIES LLC's Holding History (CIK: 0001037389)

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

Q1 2022
Shares 232,053 Value ($000) $202 Avg Close — Range —
Q3 2021
Shares 20,192 Value ($000) $27 Avg Close — Range —
Q2 2021
Shares 397,627 Value ($000) $831 Avg Close — Range —
Q1 2021
Shares 890,267 Value ($000) $1,905 Avg Close — Range —
Q4 2020
Shares 1,004,267 Value ($000) $2,440 Avg Close — Range —
Q3 2020
Shares 1,049,467 Value ($000) $1,574 Avg Close — Range —
Q2 2020
Shares 1,073,367 Value ($000) $2,512 Avg Close — Range —
Q1 2020
Shares 1,097,397 Value ($000) $1,394 Avg Close — Range —
Q4 2019
Shares 1,046,590 Value ($000) $9,084 Avg Close — Range —
Q3 2019
Shares 901,519 Value ($000) $8,222 Avg Close — Range —
Q2 2019
Shares 728,749 Value ($000) $5,866 Avg Close — Range —
Q1 2019
Shares 705,849 Value ($000) $10,192 Avg Close — Range —
Q4 2018
Shares 1,026,523 Value ($000) $5,317 Avg Close — Range —
Q3 2018
Shares 1,080,082 Value ($000) $16,795 Avg Close — Range —
Q2 2018
Shares 1,118,982 Value ($000) $27,191 Avg Close — Range —
Q1 2018
Shares 1,119,656 Value ($000) $30,343 Avg Close — Range —
Q4 2017
Shares 585,156 Value ($000) $11,557 Avg Close — Range —
Q3 2017
Shares 288,182 Value ($000) $2,741 Avg Close — Range —
Q2 2017
Shares 232,782 Value ($000) $1,013 Avg Close — Range —
Q1 2017
Shares 232,982 Value ($000) $1,130 Avg Close — Range —
Q4 2016
Shares 259,106 Value ($000) $1,555 Avg Close — Range —
Q3 2016
Shares 152,782 Value ($000) $1,047 Avg Close — Range —
Q2 2016
Shares 169,182 Value ($000) $1,054 Avg Close — Range —
Q1 2016
Shares 169,782 Value ($000) $1,372 Avg Close — Range —