BOXWOOD MERGER CORP

CUSIP: 10319T119 Class: *W EXP 11/26/202

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

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

Q4 2019
Shares 206,821 Value ($000) $128 Avg Close — Range —
Q3 2019
Shares 189,605 Value ($000) $133 Avg Close — Range —
Q2 2019
Shares 70,938 Value ($000) $44 Avg Close — Range —
Q1 2019
Shares 116,980 Value ($000) $42 Avg Close — Range —