NRC GROUP HLDGS CORP

CUSIP: 629375106 Class: COM

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

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

Q3 2019
Shares 48,848 Value ($000) $608 Avg Close — Range —
Q2 2019
Shares 96,148 Value ($000) $1,069 Avg Close — Range —