RTI SURGICAL INC

CUSIP: 74975N105 Class: CMN

Campbell & CO Investment Adviser LLC's Holding History (CIK: 0001353570)

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

Q1 2018
Shares 33,084 Value ($000) $152 Avg Close — Range —
Q4 2017
Shares 31,984 Value ($000) $131 Avg Close — Range —
Q3 2017
Shares 31,708 Value ($000) $144 Avg Close — Range —