RTI SURGICAL INC

CUSIP: 74975N105 Class: CMN

PERKINS CAPITAL MANAGEMENT INC's Holding History (CIK: 0000884300)

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

Q4 2013
Shares 172,568 Value ($000) $611 Avg Close — Range —
Q3 2013
Shares 391,000 Value ($000) $1,462 Avg Close — Range —
Q2 2013
Shares 406,300 Value ($000) $1,528 Avg Close — Range —