RTI SURGICAL INC

CUSIP: 74975N105 Class: CMN

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q2 2020
Shares 14,673 Value ($000) $47 Avg Close — Range —
Q1 2020
Shares 10,486 Value ($000) $18 Avg Close — Range —