RTI SURGICAL INC

CUSIP: 74975N105 Class: CMN

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

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

Q2 2016
Shares 2,400 Value ($000) $9 Avg Close — Range —
Q3 2015
Shares 3,200 Value ($000) $18 Avg Close — Range —
Q2 2015
Shares 4,400 Value ($000) $28 Avg Close — Range —