HEIDRICK & STRUGGLES INTL IN

CUSIP: 422819102 Class: Common Stock

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

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

Q3 2016
Shares 100 Value ($000) $2 Avg Close — Range —
Q2 2016
Shares 1,400 Value ($000) $24 Avg Close — Range —
Q1 2016
Shares 700 Value ($000) $17 Avg Close — Range —
Q4 2015
Shares 3,700 Value ($000) $101 Avg Close — Range —
Q3 2015
Shares 300 Value ($000) $6 Avg Close — Range —
Q2 2015
Shares 700 Value ($000) $18 Avg Close — Range —