BOXWOOD MERGER CORP

CUSIP: 10319T101 Class: COM CL A

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

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

Q4 2019
Shares 68,125 Value ($000) $692 Avg Close — Range —
Q3 2019
Shares 72,750 Value ($000) $733 Avg Close — Range —