CASA SYS INC

CUSIP: 14713L102 Class: Common Stock

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q1 2021
Shares 55,146 Value ($000) $526 Avg Close — Range —
Q4 2020
Shares 11,829 Value ($000) $73 Avg Close — Range —
Q4 2019
Shares 10,899 Value ($000) $45 Avg Close — Range —
Q2 2019
Shares 15,063 Value ($000) $97 Avg Close — Range —
Q4 2018
Shares 20,640 Value ($000) $271 Avg Close — Range —
Q3 2018
Shares 4,883 Value ($000) $72 Avg Close — Range —