ION GEOPHYSICAL CORP

CUSIP: 462044207 Class: COMMON STOCK

WINTON GROUP Ltd's Holding History (CIK: 0001612063)

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

Q2 2019
Shares 39,872 Value ($000) $321 Avg Close — Range —
Q1 2019
Shares 17,941 Value ($000) $259 Avg Close — Range —