INSIGNIA SYS INC

CUSIP: 45765Y105 Class: COM

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

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

Q4 2015
Shares 646 Value ($000) $2 Avg Close — Range —
Q3 2015
Shares 700 Value ($000) $2 Avg Close — Range —