CONCERT PHARMACEUTICALS INC

CUSIP: 206022105 Class: COM

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

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

Q1 2021
Shares 34,899 Value ($000) $174 Avg Close — Range —
Q4 2016
Shares 14,700 Value ($000) $151 Avg Close — Range —