ALLEGRO MERGER CORP

CUSIP: 01749N301 Class: UNIT 12/31/2023

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

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

Q3 2019
Shares 159,434 Value ($000) $1,685 Avg Close — Range —
Q2 2019
Shares 157,629 Value ($000) $1,654 Avg Close — Range —
Q1 2019
Shares 167,729 Value ($000) $1,758 Avg Close — Range —
Q4 2018
Shares 215,579 Value ($000) $2,225 Avg Close — Range —
Q3 2018
Shares 161,132 Value ($000) $1,655 Avg Close — Range —