NRC GROUP HLDGS CORP

CUSIP: 629375114 Class: NRC GROUP HOLDINGS CORP-CW24

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

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

Q1 2019
Shares 20,062 Value ($000) $18 Avg Close — Range —
Q4 2018
Shares 23,662 Value ($000) $19 Avg Close — Range —