I D SYSTEMS INC

CUSIP: 449489103 Class: COM

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

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

Q4 2016
Shares 10 Value ($000) $0 Avg Close — Range —
Q3 2016
Shares 1,169 Value ($000) $6 Avg Close — Range —
Q2 2016
Shares 900 Value ($000) $4 Avg Close — Range —